./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/chl-file-item-trans.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-file-item-trans.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 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:09:59,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:09:59,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:09:59,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:09:59,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:09:59,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:09:59,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:09:59,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:09:59,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:09:59,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:09:59,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:09:59,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:09:59,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:09:59,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:09:59,237 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:09:59,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:09:59,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:09:59,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:09:59,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:09:59,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:09:59,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:09:59,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:09:59,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:09:59,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:09:59,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:09:59,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:09:59,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:09:59,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:09:59,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:09:59,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:09:59,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:09:59,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:09:59,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:09:59,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:09:59,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:09:59,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:09:59,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:09:59,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:09:59,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:09:59,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:09:59,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:09:59,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:09:59,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:09:59,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:09:59,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:09:59,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:09:59,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:09:59,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:09:59,515 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:09:59,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-02-07 19:10:00,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:10:00,982 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:10:00,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-02-07 19:10:00,990 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7595a2f0/f4f7cfcc65b349aaaae2e6613cb8d2aa/FLAGbc2c2f02f [2024-02-07 19:10:01,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7595a2f0/f4f7cfcc65b349aaaae2e6613cb8d2aa [2024-02-07 19:10:01,006 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:10:01,006 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:10:01,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml [2024-02-07 19:10:01,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:10:01,090 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:10:01,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:10:01,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:10:01,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:10:01,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:10:01" (1/2) ... [2024-02-07 19:10:01,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4901e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:10:01, skipping insertion in model container [2024-02-07 19:10:01,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:10:01" (1/2) ... [2024-02-07 19:10:01,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42d87ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:10:01, skipping insertion in model container [2024-02-07 19:10:01,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:10:01" (2/2) ... [2024-02-07 19:10:01,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4901e2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01, skipping insertion in model container [2024-02-07 19:10:01,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:10:01" (2/2) ... [2024-02-07 19:10:01,103 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:10:01,135 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:10:01,136 INFO L76 edCorrectnessWitness]: Location invariant before [L90-L90] (b <= -1) && (b != 0) [2024-02-07 19:10:01,137 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-02-07 19:10:01,137 INFO L76 edCorrectnessWitness]: Location invariant before [L69-L69] (((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-02-07 19:10:01,137 INFO L76 edCorrectnessWitness]: Location invariant before [L75-L75] filename_8 == (_Bool)0 || filename_8 == (_Bool)1 [2024-02-07 19:10:01,137 INFO L76 edCorrectnessWitness]: Location invariant before [L71-L71] filename_2 == (_Bool)0 || filename_2 == (_Bool)1 [2024-02-07 19:10:01,138 INFO L76 edCorrectnessWitness]: Location invariant before [L68-L68] (((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-02-07 19:10:01,138 INFO L76 edCorrectnessWitness]: Location invariant before [L72-L72] filename_5 == (_Bool)0 || filename_5 == (_Bool)1 [2024-02-07 19:10:01,138 INFO L76 edCorrectnessWitness]: Location invariant before [L66-L66] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-02-07 19:10:01,138 INFO L76 edCorrectnessWitness]: Location invariant before [L64-L64] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-02-07 19:10:01,138 INFO L76 edCorrectnessWitness]: Location invariant before [L89-L89] (1 <= b) && (b != 0) [2024-02-07 19:10:01,138 INFO L76 edCorrectnessWitness]: Location invariant before [L70-L70] isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1 [2024-02-07 19:10:01,139 INFO L76 edCorrectnessWitness]: Location invariant before [L65-L65] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-02-07 19:10:01,157 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:10:01,321 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c[2856,2869] [2024-02-07 19:10:01,327 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:10:01,337 INFO L206 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 [2024-02-07 19:10:01,402 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c[2856,2869] Start Parsing Local Start Parsing Local [2024-02-07 19:10:01,415 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:10:01,430 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:10:01,431 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01 WrapperNode [2024-02-07 19:10:01,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:10:01,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:10:01,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:10:01,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:10:01,439 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 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,450 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 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,537 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 220 [2024-02-07 19:10:01,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:10:01,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:10:01,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:10:01,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:10:01,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,570 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 19:10:01,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:10:01,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:10:01,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:10:01,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:10:01,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (1/1) ... [2024-02-07 19:10:01,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:10:01,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:10:01,642 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) [2024-02-07 19:10:01,649 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 [2024-02-07 19:10:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:10:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:10:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:10:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:10:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:10:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 19:10:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 19:10:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:10:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:10:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:10:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:10:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:10:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:10:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:10:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:10:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:10:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:10:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:10:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:10:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:10:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:10:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:10:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:10:01,701 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:10:01,831 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:10:01,833 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:10:02,434 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:10:02,434 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:10:02,612 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:10:02,612 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:10:02,613 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:10:02 BoogieIcfgContainer [2024-02-07 19:10:02,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:10:02,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:10:02,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:10:02,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:10:02,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:10:01" (1/4) ... [2024-02-07 19:10:02,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7ce783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:10:02, skipping insertion in model container [2024-02-07 19:10:02,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:10:01" (2/4) ... [2024-02-07 19:10:02,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7ce783 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:10:02, skipping insertion in model container [2024-02-07 19:10:02,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:10:01" (3/4) ... [2024-02-07 19:10:02,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7ce783 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:10:02, skipping insertion in model container [2024-02-07 19:10:02,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:10:02" (4/4) ... [2024-02-07 19:10:02,620 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2024-02-07 19:10:02,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:10:02,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-02-07 19:10:02,635 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:10:02,682 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 19:10:02,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 89 transitions, 199 flow [2024-02-07 19:10:02,738 INFO L124 PetriNetUnfolderBase]: 12/86 cut-off events. [2024-02-07 19:10:02,739 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 19:10:02,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 86 events. 12/86 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 198 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2024-02-07 19:10:02,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 89 transitions, 199 flow [2024-02-07 19:10:02,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 85 transitions, 188 flow [2024-02-07 19:10:02,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:10:02,767 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;@4df62b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:10:02,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-02-07 19:10:02,769 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:10:02,770 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:10:02,770 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:10:02,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:10:02,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:10:02,771 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 23 more)] === [2024-02-07 19:10:02,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:10:02,775 INFO L85 PathProgramCache]: Analyzing trace with hash 20110, now seen corresponding path program 1 times [2024-02-07 19:10:02,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:10:02,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178142930] [2024-02-07 19:10:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:10:02,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:10:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:10:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:10:03,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:10:03,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178142930] [2024-02-07 19:10:03,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178142930] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:10:03,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:10:03,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:10:03,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045266759] [2024-02-07 19:10:03,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:10:03,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:10:03,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:10:03,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:10:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:10:03,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 89 [2024-02-07 19:10:03,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 85 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-02-07 19:10:03,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:10:03,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 89 [2024-02-07 19:10:03,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:10:03,856 INFO L124 PetriNetUnfolderBase]: 3252/5201 cut-off events. [2024-02-07 19:10:03,856 INFO L125 PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES. [2024-02-07 19:10:03,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9857 conditions, 5201 events. 3252/5201 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 39101 event pairs, 2653 based on Foata normal form. 0/4410 useless extension candidates. Maximal degree in co-relation 8892. Up to 4427 conditions per place. [2024-02-07 19:10:03,897 INFO L140 encePairwiseOnDemand]: 83/89 looper letters, 47 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-02-07 19:10:03,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 81 transitions, 278 flow [2024-02-07 19:10:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:10:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:10:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2024-02-07 19:10:03,908 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5917602996254682 [2024-02-07 19:10:03,909 INFO L175 Difference]: Start difference. First operand has 83 places, 85 transitions, 188 flow. Second operand 3 states and 158 transitions. [2024-02-07 19:10:03,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 81 transitions, 278 flow [2024-02-07 19:10:03,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 81 transitions, 266 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-07 19:10:03,923 INFO L231 Difference]: Finished difference. Result has 75 places, 81 transitions, 172 flow [2024-02-07 19:10:03,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=75, PETRI_TRANSITIONS=81} [2024-02-07 19:10:03,927 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -8 predicate places. [2024-02-07 19:10:03,927 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 81 transitions, 172 flow [2024-02-07 19:10:03,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-02-07 19:10:03,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:10:03,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 19:10:03,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:10:03,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 23 more)] === [2024-02-07 19:10:03,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:10:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1413033008, now seen corresponding path program 1 times [2024-02-07 19:10:03,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:10:03,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120612219] [2024-02-07 19:10:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:10:03,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:10:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:10:03,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:10:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:10:03,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:10:03,965 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:10:03,966 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 26 remaining) [2024-02-07 19:10:03,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 26 remaining) [2024-02-07 19:10:03,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 26 remaining) [2024-02-07 19:10:03,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 26 remaining) [2024-02-07 19:10:03,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 26 remaining) [2024-02-07 19:10:03,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 26 remaining) [2024-02-07 19:10:03,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 26 remaining) [2024-02-07 19:10:03,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 26 remaining) [2024-02-07 19:10:03,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 26 remaining) [2024-02-07 19:10:03,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 26 remaining) [2024-02-07 19:10:03,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 26 remaining) [2024-02-07 19:10:03,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 26 remaining) [2024-02-07 19:10:03,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 26 remaining) [2024-02-07 19:10:03,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 26 remaining) [2024-02-07 19:10:03,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 26 remaining) [2024-02-07 19:10:03,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 26 remaining) [2024-02-07 19:10:03,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (9 of 26 remaining) [2024-02-07 19:10:03,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 26 remaining) [2024-02-07 19:10:03,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 26 remaining) [2024-02-07 19:10:03,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 26 remaining) [2024-02-07 19:10:03,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 26 remaining) [2024-02-07 19:10:03,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 26 remaining) [2024-02-07 19:10:03,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 26 remaining) [2024-02-07 19:10:03,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 26 remaining) [2024-02-07 19:10:03,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 26 remaining) [2024-02-07 19:10:03,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 26 remaining) [2024-02-07 19:10:03,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:10:03,973 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:10:03,978 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:10:03,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:10:03,995 INFO L503 ceAbstractionStarter]: Automizer considered 16 witness invariants [2024-02-07 19:10:03,995 INFO L504 ceAbstractionStarter]: WitnessConsidered=16 [2024-02-07 19:10:03,996 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:10:03 BasicIcfg [2024-02-07 19:10:03,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:10:03,996 INFO L158 Benchmark]: Toolchain (without parser) took 2906.52ms. Allocated memory was 142.6MB in the beginning and 413.1MB in the end (delta: 270.5MB). Free memory was 84.1MB in the beginning and 303.3MB in the end (delta: -219.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-02-07 19:10:03,997 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:10:03,997 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:10:03,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.30ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 67.3MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-07 19:10:03,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.36ms. Allocated memory was 142.6MB in the beginning and 255.9MB in the end (delta: 113.2MB). Free memory was 67.3MB in the beginning and 224.3MB in the end (delta: -157.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-02-07 19:10:03,998 INFO L158 Benchmark]: Boogie Preprocessor took 71.82ms. Allocated memory is still 255.9MB. Free memory was 224.3MB in the beginning and 221.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:10:03,998 INFO L158 Benchmark]: RCFGBuilder took 1002.59ms. Allocated memory is still 255.9MB. Free memory was 221.3MB in the beginning and 166.2MB in the end (delta: 55.1MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-02-07 19:10:03,999 INFO L158 Benchmark]: TraceAbstraction took 1381.17ms. Allocated memory was 255.9MB in the beginning and 413.1MB in the end (delta: 157.3MB). Free memory was 165.2MB in the beginning and 303.3MB in the end (delta: -138.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-02-07 19:10:04,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.30ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 67.3MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.36ms. Allocated memory was 142.6MB in the beginning and 255.9MB in the end (delta: 113.2MB). Free memory was 67.3MB in the beginning and 224.3MB in the end (delta: -157.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.82ms. Allocated memory is still 255.9MB. Free memory was 224.3MB in the beginning and 221.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.59ms. Allocated memory is still 255.9MB. Free memory was 221.3MB in the beginning and 166.2MB in the end (delta: 55.1MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1381.17ms. Allocated memory was 255.9MB in the beginning and 413.1MB in the end (delta: 157.3MB). Free memory was 165.2MB in the beginning and 303.3MB in the end (delta: -138.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 68]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int filename_1, filename_4, filename_7, result_9, result_10, result_11; [L39] _Bool isNull_0, isNull_3, isNull_6, filename_2, filename_5, filename_8; [L62] pthread_t t1, t2, t3; VAL [filename_1=0, filename_2=0, filename_4=0, filename_5=0, filename_7=0, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]]]] [L64] filename_1 = __VERIFIER_nondet_int() [L65] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]]]] [L65] filename_4 = __VERIFIER_nondet_int() [L66] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]]]] [L66] filename_7 = __VERIFIER_nondet_int() [L67] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]]]] [L67] isNull_0 = __VERIFIER_nondet_bool() [L68] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [filename_1=0, filename_2=0, filename_4=0, filename_5=0, filename_7=0, filename_8=0, isNull_0=2, isNull_3=0, isNull_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 123 locations, 26 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 10 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2024-02-07 19:10:04,034 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE