./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.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/popl20-threaded-sum-3.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/popl20-threaded-sum-3.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/popl20-threaded-sum-3.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 19:20:22,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:20:22,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:20:22,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:20:22,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:20:22,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:20:22,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:20:22,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:20:22,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:20:22,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:20:22,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:20:22,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:20:22,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:20:22,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:20:22,133 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:20:22,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:20:22,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:20:22,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:20:22,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:20:22,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:20:22,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:20:22,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:20:22,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:20:22,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:20:22,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:20:22,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:20:22,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:20:22,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:20:22,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:20:22,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:20:22,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:20:22,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:20:22,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:20:22,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:20:22,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:20:22,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:20:22,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:20:22,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:20:22,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:20:22,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:20:22,139 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:20:22,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:20:22,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:20:22,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:20:22,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:20:22,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:20:22,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:20:22,349 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:20:22,350 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:20:22,350 INFO L431 ainManager$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/popl20-threaded-sum-3.wvr.yml/witness.yml [2024-02-07 19:20:22,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:20:22,450 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:20:22,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-02-07 19:20:23,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:20:23,573 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:20:23,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-02-07 19:20:23,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb065b4c8/55fc658bd4174ff4861d8ea9e7aceef6/FLAGe2d2548a2 [2024-02-07 19:20:23,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb065b4c8/55fc658bd4174ff4861d8ea9e7aceef6 [2024-02-07 19:20:23,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:20:23,589 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:20:23,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:20:23,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:20:23,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:20:23,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:20:22" (1/2) ... [2024-02-07 19:20:23,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edee0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:20:23, skipping insertion in model container [2024-02-07 19:20:23,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:20:22" (1/2) ... [2024-02-07 19:20:23,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5959ef64 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:20:23, skipping insertion in model container [2024-02-07 19:20:23,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:20:23" (2/2) ... [2024-02-07 19:20:23,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23, skipping insertion in model container [2024-02-07 19:20:23,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:20:23" (2/2) ... [2024-02-07 19:20:23,597 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:20:23,609 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant before [L71-L71] t == 0U [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant before [L61-L61] t == 0U [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant before [L47-L47] (1U <= s) && (s != 0U) [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant before [L42-L42] s == 0U [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant before [L66-L66] (1U <= t) && (t != 0U) [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant before [L48-L48] (s <= 4294967294U) && (s != 4294967295U) [2024-02-07 19:20:23,610 INFO L76 edCorrectnessWitness]: Location invariant after [L42-L42] s == 0U [2024-02-07 19:20:23,611 INFO L76 edCorrectnessWitness]: Location invariant before [L107-L107] (1U <= S) && (S != 0U) [2024-02-07 19:20:23,611 INFO L76 edCorrectnessWitness]: Location invariant before [L52-L52] s == 0U [2024-02-07 19:20:23,611 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] (t <= 4294967294U) && (t != 4294967295U) [2024-02-07 19:20:23,611 INFO L76 edCorrectnessWitness]: Location invariant after [L61-L61] t == 0U [2024-02-07 19:20:23,625 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:20:23,786 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-02-07 19:20:23,789 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:20:23,795 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:20:23,810 WARN L423 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-02-07 19:20:23,810 WARN L423 MainDispatcher]: Unable to annotate cond = s > 0 || t > 0 || u > 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:20:23,838 WARN L423 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-02-07 19:20:23,838 WARN L423 MainDispatcher]: Unable to annotate cond = t > 0 || u > 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:20:23,846 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-02-07 19:20:23,846 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:20:23,860 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:20:23,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23 WrapperNode [2024-02-07 19:20:23,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:20:23,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:20:23,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:20:23,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:20:23,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,907 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-02-07 19:20:23,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:20:23,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:20:23,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:20:23,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:20:23,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,947 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 19:20:23,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:20:23,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:20:23,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:20:23,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:20:23,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (1/1) ... [2024-02-07 19:20:23,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:20:23,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:20:24,005 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 19:20:24,022 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 19:20:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:20:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:20:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:20:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:20:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 19:20:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 19:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:20:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:20:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:20:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:20:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:20:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:20:24,041 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 19:20:24,123 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:20:24,124 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:20:24,332 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:20:24,332 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:20:24,469 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:20:24,469 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-02-07 19:20:24,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:20:24 BoogieIcfgContainer [2024-02-07 19:20:24,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:20:24,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:20:24,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:20:24,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:20:24,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:20:22" (1/4) ... [2024-02-07 19:20:24,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2086195d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:20:24, skipping insertion in model container [2024-02-07 19:20:24,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:20:23" (2/4) ... [2024-02-07 19:20:24,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2086195d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:20:24, skipping insertion in model container [2024-02-07 19:20:24,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:20:23" (3/4) ... [2024-02-07 19:20:24,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2086195d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:20:24, skipping insertion in model container [2024-02-07 19:20:24,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:20:24" (4/4) ... [2024-02-07 19:20:24,480 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-02-07 19:20:24,491 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:20:24,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-02-07 19:20:24,492 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:20:24,551 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 19:20:24,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 45 transitions, 111 flow [2024-02-07 19:20:24,616 INFO L124 PetriNetUnfolderBase]: 3/42 cut-off events. [2024-02-07 19:20:24,616 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 19:20:24,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 42 events. 3/42 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 87 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2024-02-07 19:20:24,619 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 45 transitions, 111 flow [2024-02-07 19:20:24,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 41 transitions, 100 flow [2024-02-07 19:20:24,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:20:24,640 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;@94f749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:20:24,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-02-07 19:20:24,642 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:20:24,643 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:20:24,643 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:20:24,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:20:24,644 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:20:24,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 14 more)] === [2024-02-07 19:20:24,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:20:24,648 INFO L85 PathProgramCache]: Analyzing trace with hash 12408, now seen corresponding path program 1 times [2024-02-07 19:20:24,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:20:24,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577505402] [2024-02-07 19:20:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:20:24,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:20:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:20:24,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:20:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:20:24,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:20:24,753 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:20:24,754 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 17 remaining) [2024-02-07 19:20:24,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 17 remaining) [2024-02-07 19:20:24,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 17 remaining) [2024-02-07 19:20:24,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 17 remaining) [2024-02-07 19:20:24,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 17 remaining) [2024-02-07 19:20:24,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 17 remaining) [2024-02-07 19:20:24,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 17 remaining) [2024-02-07 19:20:24,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2024-02-07 19:20:24,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 17 remaining) [2024-02-07 19:20:24,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 17 remaining) [2024-02-07 19:20:24,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 17 remaining) [2024-02-07 19:20:24,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 17 remaining) [2024-02-07 19:20:24,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 17 remaining) [2024-02-07 19:20:24,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 17 remaining) [2024-02-07 19:20:24,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 17 remaining) [2024-02-07 19:20:24,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 17 remaining) [2024-02-07 19:20:24,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 17 remaining) [2024-02-07 19:20:24,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:20:24,760 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 19:20:24,766 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:20:24,766 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:20:24,795 INFO L503 ceAbstractionStarter]: Automizer considered 7 witness invariants [2024-02-07 19:20:24,796 INFO L504 ceAbstractionStarter]: WitnessConsidered=7 [2024-02-07 19:20:24,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:20:24 BasicIcfg [2024-02-07 19:20:24,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:20:24,797 INFO L158 Benchmark]: Toolchain (without parser) took 1207.86ms. Allocated memory is still 155.2MB. Free memory was 82.7MB in the beginning and 123.6MB in the end (delta: -40.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-02-07 19:20:24,800 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:20:24,800 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:20:24,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.72ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 119.2MB in the end (delta: -36.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-02-07 19:20:24,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.51ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 117.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:20:24,802 INFO L158 Benchmark]: Boogie Preprocessor took 63.85ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 115.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:20:24,802 INFO L158 Benchmark]: RCFGBuilder took 497.56ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 73.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-02-07 19:20:24,804 INFO L158 Benchmark]: TraceAbstraction took 323.24ms. Allocated memory is still 155.2MB. Free memory was 72.4MB in the beginning and 123.6MB in the end (delta: -51.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-02-07 19:20:24,807 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 0.14ms. Allocated memory is still 155.2MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.72ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 119.2MB in the end (delta: -36.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.51ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 117.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.85ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 115.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.56ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 73.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 323.24ms. Allocated memory is still 155.2MB. Free memory was 72.4MB in the beginning and 123.6MB in the end (delta: -51.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 107]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, c, T, S, u, U; [L98] pthread_t t1, t2, t3; [L100] S = __VERIFIER_nondet_uint() [L101] T = __VERIFIER_nondet_uint() [L102] U = __VERIFIER_nondet_uint() [L103] s = S [L104] t = T [L105] u = U VAL [S=0, T=49, U=50, c=0, m=0, s=0, t1={3:0}, t2={6:0}, t3={5:0}, t=49, u=50] [L107] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1U],IdentifierExpression[S]],BinaryExpression[COMPNEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] VAL [S=0, T=49, U=50, c=0, m=0, s=0, t1={3:0}, t2={6:0}, t3={5:0}, t=49, u=50] - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: 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: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: 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: 111]: 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: 112]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 17 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=100occurred 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 19:20:24,837 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