./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.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/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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/parallel-bluetooth.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-bluetooth.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-dev-958ec4d-m [2024-02-07 14:35:06,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:35:06,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:35:06,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:35:06,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:35:06,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:35:06,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:35:06,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:35:06,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:35:06,369 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:35:06,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:35:06,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:35:06,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:35:06,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:35:06,370 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:35:06,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:35:06,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:35:06,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:35:06,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:35:06,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:35:06,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:35:06,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:35:06,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:35:06,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:35:06,373 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:35:06,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:35:06,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:35:06,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:35:06,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:35:06,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:35:06,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:35:06,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:35:06,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:06,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:35:06,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:35:06,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:35:06,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:35:06,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:35:06,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:35:06,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:35:06,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:35:06,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:35:06,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:35:06,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:35:06,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:35:06,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:35:06,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:35:06,542 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:35:06,543 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:35:06,544 INFO L431 ainManager$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/parallel-bluetooth.wvr.yml/witness.yml [2024-02-07 14:35:06,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:35:06,643 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:35:06,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-02-07 14:35:07,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:35:07,918 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:35:07,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-02-07 14:35:07,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407b62d7d/e0cf8902b25a461d93f4084723262a6e/FLAGfed47a135 [2024-02-07 14:35:07,935 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407b62d7d/e0cf8902b25a461d93f4084723262a6e [2024-02-07 14:35:07,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:35:07,937 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:35:07,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:07,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:35:07,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:35:07,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:06" (1/2) ... [2024-02-07 14:35:07,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8cea19 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:07, skipping insertion in model container [2024-02-07 14:35:07,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:06" (1/2) ... [2024-02-07 14:35:07,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ef3ea55 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:07, skipping insertion in model container [2024-02-07 14:35:07,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:07" (2/2) ... [2024-02-07 14:35:07,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8cea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:07, skipping insertion in model container [2024-02-07 14:35:07,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:07" (2/2) ... [2024-02-07 14:35:07,944 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:35:07,965 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:35:07,966 INFO L76 edCorrectnessWitness]: Location invariant before [L104-L104] sFlag == (_Bool)0 || sFlag == (_Bool)1 [2024-02-07 14:35:07,967 INFO L76 edCorrectnessWitness]: Location invariant before [L107-L107] v_assert == (_Bool)0 || v_assert == (_Bool)1 [2024-02-07 14:35:07,967 INFO L76 edCorrectnessWitness]: Location invariant before [L85-L85] stopped == (_Bool)1 [2024-02-07 14:35:07,967 INFO L76 edCorrectnessWitness]: Location invariant before [L114-L114] v_assert == (_Bool)0 || v_assert == (_Bool)1 [2024-02-07 14:35:07,967 INFO L76 edCorrectnessWitness]: Location invariant before [L45-L45] v_assert == (_Bool)0 || v_assert == (_Bool)1 [2024-02-07 14:35:07,967 INFO L76 edCorrectnessWitness]: Location invariant before [L99-L99] stopped == (_Bool)0 || stopped == (_Bool)1 [2024-02-07 14:35:07,967 INFO L76 edCorrectnessWitness]: Location invariant before [L81-L81] sEvent == (_Bool)0 || sEvent == (_Bool)1 [2024-02-07 14:35:07,968 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] sEvent == (_Bool)1 [2024-02-07 14:35:07,968 INFO L76 edCorrectnessWitness]: Location invariant before [L97-L97] sFlag == (_Bool)0 || sFlag == (_Bool)1 [2024-02-07 14:35:07,968 INFO L76 edCorrectnessWitness]: Location invariant before [L106-L106] stopped == (_Bool)0 || stopped == (_Bool)1 [2024-02-07 14:35:07,971 INFO L76 edCorrectnessWitness]: Location invariant before [L105-L105] sEvent == (_Bool)0 || sEvent == (_Bool)1 [2024-02-07 14:35:07,971 INFO L76 edCorrectnessWitness]: Location invariant before [L49-L49] count <= 2147483646 [2024-02-07 14:35:07,971 INFO L76 edCorrectnessWitness]: Location invariant before [L71-L71] count <= 2147483646 [2024-02-07 14:35:07,971 INFO L76 edCorrectnessWitness]: Location invariant before [L44-L44] (sFlag == (_Bool)0) && (stopped == (_Bool)0 || stopped == (_Bool)1) [2024-02-07 14:35:07,971 INFO L76 edCorrectnessWitness]: Location invariant before [L98-L98] sEvent == (_Bool)0 || sEvent == (_Bool)1 [2024-02-07 14:35:07,971 INFO L76 edCorrectnessWitness]: Location invariant before [L65-L65] sFlag == (_Bool)1 [2024-02-07 14:35:07,972 INFO L76 edCorrectnessWitness]: Location invariant before [L102-L102] v_assert == (_Bool)0 || v_assert == (_Bool)1 [2024-02-07 14:35:07,972 INFO L76 edCorrectnessWitness]: Location invariant before [L68-L68] count <= 2147483646 [2024-02-07 14:35:07,972 INFO L76 edCorrectnessWitness]: Location invariant before [L78-L78] sEvent == (_Bool)1 [2024-02-07 14:35:07,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:35:08,165 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/parallel-bluetooth.wvr.c[3160,3173] [2024-02-07 14:35:08,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:08,177 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:35:08,222 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/parallel-bluetooth.wvr.c[3160,3173] [2024-02-07 14:35:08,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:08,238 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:35:08,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08 WrapperNode [2024-02-07 14:35:08,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:08,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:08,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:35:08,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:35:08,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,268 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 140 [2024-02-07 14:35:08,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:08,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:35:08,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:35:08,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:35:08,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,279 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,289 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-07 14:35:08,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:35:08,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:35:08,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:35:08,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:35:08,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (1/1) ... [2024-02-07 14:35:08,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:08,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:35:08,325 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 14:35:08,355 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 14:35:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:35:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:35:08,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:35:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:35:08,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:35:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:35:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:35:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:35:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:35:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:35:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:35:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:35:08,393 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 14:35:08,469 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:35:08,470 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:35:08,667 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:35:08,667 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:35:08,953 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:35:08,956 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:35:08,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:08 BoogieIcfgContainer [2024-02-07 14:35:08,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:35:08,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:35:08,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:35:08,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:35:08,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:06" (1/4) ... [2024-02-07 14:35:08,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408d3509 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:35:08, skipping insertion in model container [2024-02-07 14:35:08,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:35:07" (2/4) ... [2024-02-07 14:35:08,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408d3509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:35:08, skipping insertion in model container [2024-02-07 14:35:08,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:08" (3/4) ... [2024-02-07 14:35:08,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408d3509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:35:08, skipping insertion in model container [2024-02-07 14:35:08,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:08" (4/4) ... [2024-02-07 14:35:08,967 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-02-07 14:35:08,981 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:35:08,982 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-02-07 14:35:08,982 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:35:09,030 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-07 14:35:09,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 60 transitions, 134 flow [2024-02-07 14:35:09,087 INFO L124 PetriNetUnfolderBase]: 2/58 cut-off events. [2024-02-07 14:35:09,087 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 14:35:09,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 58 events. 2/58 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2024-02-07 14:35:09,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 60 transitions, 134 flow [2024-02-07 14:35:09,093 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 57 transitions, 126 flow [2024-02-07 14:35:09,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:35:09,106 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;@2fc8aea3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:35:09,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-02-07 14:35:09,108 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:35:09,108 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:35:09,108 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:35:09,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:35:09,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:35:09,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-07 14:35:09,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:35:09,113 INFO L85 PathProgramCache]: Analyzing trace with hash 13934, now seen corresponding path program 1 times [2024-02-07 14:35:09,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:35:09,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488287921] [2024-02-07 14:35:09,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:35:09,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:35:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:09,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:35:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:09,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:35:09,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:35:09,225 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 32 remaining) [2024-02-07 14:35:09,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 32 remaining) [2024-02-07 14:35:09,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 32 remaining) [2024-02-07 14:35:09,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 32 remaining) [2024-02-07 14:35:09,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 32 remaining) [2024-02-07 14:35:09,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 32 remaining) [2024-02-07 14:35:09,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 32 remaining) [2024-02-07 14:35:09,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 32 remaining) [2024-02-07 14:35:09,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 32 remaining) [2024-02-07 14:35:09,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 32 remaining) [2024-02-07 14:35:09,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 32 remaining) [2024-02-07 14:35:09,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 32 remaining) [2024-02-07 14:35:09,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 32 remaining) [2024-02-07 14:35:09,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 32 remaining) [2024-02-07 14:35:09,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 32 remaining) [2024-02-07 14:35:09,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 32 remaining) [2024-02-07 14:35:09,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 32 remaining) [2024-02-07 14:35:09,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 32 remaining) [2024-02-07 14:35:09,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 32 remaining) [2024-02-07 14:35:09,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-02-07 14:35:09,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2024-02-07 14:35:09,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2024-02-07 14:35:09,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 32 remaining) [2024-02-07 14:35:09,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 32 remaining) [2024-02-07 14:35:09,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 32 remaining) [2024-02-07 14:35:09,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 32 remaining) [2024-02-07 14:35:09,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 32 remaining) [2024-02-07 14:35:09,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 32 remaining) [2024-02-07 14:35:09,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 32 remaining) [2024-02-07 14:35:09,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 32 remaining) [2024-02-07 14:35:09,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 32 remaining) [2024-02-07 14:35:09,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 32 remaining) [2024-02-07 14:35:09,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:35:09,234 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:35:09,239 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:35:09,240 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:35:09,253 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-02-07 14:35:09,253 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-02-07 14:35:09,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:35:09 BasicIcfg [2024-02-07 14:35:09,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:35:09,255 INFO L158 Benchmark]: Toolchain (without parser) took 1317.63ms. Allocated memory is still 165.7MB. Free memory was 93.1MB in the beginning and 57.3MB in the end (delta: 35.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-02-07 14:35:09,255 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:09,255 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:09,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.18ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 128.6MB in the end (delta: -35.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-02-07 14:35:09,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.70ms. Allocated memory is still 165.7MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:09,256 INFO L158 Benchmark]: Boogie Preprocessor took 34.54ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 123.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:09,257 INFO L158 Benchmark]: RCFGBuilder took 654.20ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 83.3MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-02-07 14:35:09,257 INFO L158 Benchmark]: TraceAbstraction took 293.32ms. Allocated memory is still 165.7MB. Free memory was 82.4MB in the beginning and 57.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-02-07 14:35:09,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.18ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 128.6MB in the end (delta: -35.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.70ms. Allocated memory is still 165.7MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.54ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 123.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.20ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 83.3MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 293.32ms. Allocated memory is still 165.7MB. Free memory was 82.4MB in the beginning and 57.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 97]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int count, pos; [L39] _Bool sFlag, sEvent, stopped, v_assert; [L91] pthread_t t1, t2; [L94] count = __VERIFIER_nondet_int() [L95] pos = __VERIFIER_nondet_int() [L96] sFlag = __VERIFIER_nondet_bool() [L97] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [count=0, pos=0, sEvent=0, sFlag=2, stopped=0, t1={3:0}, t2={5:0}, v_assert=0] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: 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: 68]: 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: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: 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: 110]: 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: 109]: 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 5 procedures, 90 locations, 32 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 14:35:09,281 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE