./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-subst.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-sre-subst.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-sre-subst.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-sre-subst.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 19:11:26,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:11:26,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:11:26,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:11:26,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:11:27,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:11:27,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:11:27,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:11:27,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:11:27,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:11:27,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:11:27,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:11:27,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:11:27,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:11:27,033 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:11:27,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:11:27,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:11:27,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:11:27,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:11:27,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:11:27,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:11:27,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:11:27,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:11:27,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:11:27,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:11:27,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:11:27,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:11:27,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:11:27,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:11:27,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:11:27,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:11:27,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:11:27,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:11:27,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:11:27,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:11:27,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:11:27,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:11:27,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:11:27,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:11:27,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:11:27,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:11:27,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:11:27,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:11:27,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:11:27,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:11:27,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:11:27,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:11:27,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:11:27,296 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:11:27,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2024-02-07 19:11:28,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:11:28,730 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:11:28,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2024-02-07 19:11:28,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9221687/2eb820d38da14f3d959ed76bbe60a888/FLAGac5ac973c [2024-02-07 19:11:28,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9221687/2eb820d38da14f3d959ed76bbe60a888 [2024-02-07 19:11:28,758 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:11:28,758 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:11:28,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-sre-subst.wvr.yml/witness.yml [2024-02-07 19:11:28,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:11:28,881 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:11:28,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:11:28,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:11:28,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:11:28,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:11:28" (1/2) ... [2024-02-07 19:11:28,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7847dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:28, skipping insertion in model container [2024-02-07 19:11:28,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:11:28" (1/2) ... [2024-02-07 19:11:28,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d3214f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:28, skipping insertion in model container [2024-02-07 19:11:28,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:11:28" (2/2) ... [2024-02-07 19:11:28,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7847dd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:11:28, skipping insertion in model container [2024-02-07 19:11:28,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:11:28" (2/2) ... [2024-02-07 19:11:28,892 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:11:28,921 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:11:28,923 INFO L76 edCorrectnessWitness]: Location invariant before [L75-L75] ((((-128 <= result_3) && (-1 <= result_3)) && (result_3 <= 1)) && (result_3 <= 127)) && ((result_3 == -1 || result_3 == 0) || result_3 == 1) [2024-02-07 19:11:28,923 INFO L76 edCorrectnessWitness]: Location invariant before [L65-L65] sponsored_1 == (_Bool)0 || sponsored_1 == (_Bool)1 [2024-02-07 19:11:28,923 INFO L76 edCorrectnessWitness]: Location invariant before [L76-L76] (((((((((-128 <= result_4) && (-128 <= result_5)) && (-1 <= result_4)) && (-1 <= result_5)) && (result_4 <= 1)) && (result_4 <= 127)) && (result_5 <= 1)) && (result_5 <= 127)) && ((result_4 == -1 || result_4 == 0) || result_4 == 1)) && ((result_5 == -1 || result_5 == 0) || result_5 == 1) [2024-02-07 19:11:28,923 INFO L76 edCorrectnessWitness]: Location invariant before [L44-L44] ((((-128 <= result_3) && (-1 <= result_3)) && (result_3 <= 1)) && (result_3 <= 127)) && ((result_3 == -1 || result_3 == 0) || result_3 == 1) [2024-02-07 19:11:28,923 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] ((((-128 <= result_4) && (-1 <= result_4)) && (result_4 <= 1)) && (result_4 <= 127)) && ((result_4 == -1 || result_4 == 0) || result_4 == 1) [2024-02-07 19:11:28,924 INFO L76 edCorrectnessWitness]: Location invariant before [L64-L64] sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1 [2024-02-07 19:11:28,924 INFO L76 edCorrectnessWitness]: Location invariant before [L68-L68] sponsored_2 == (_Bool)0 || sponsored_2 == (_Bool)1 [2024-02-07 19:11:28,925 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] ((((-128 <= result_5) && (-1 <= result_5)) && (result_5 <= 1)) && (result_5 <= 127)) && ((result_5 == -1 || result_5 == 0) || result_5 == 1) [2024-02-07 19:11:28,944 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:11:29,085 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-sre-subst.wvr.c[2372,2385] [2024-02-07 19:11:29,090 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:11:29,097 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 [2024-02-07 19:11:29,154 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-sre-subst.wvr.c[2372,2385] [2024-02-07 19:11:29,156 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:11:29,170 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:11:29,171 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:11:29 WrapperNode [2024-02-07 19:11:29,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:11:29,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:11:29,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:11:29,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:11:29,179 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,192 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,229 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2024-02-07 19:11:29,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:11:29,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:11:29,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:11:29,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:11:29,245 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,245 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,252 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,288 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 19:11:29,291 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,291 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,298 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,307 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,309 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,313 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:11:29,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:11:29,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:11:29,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:11:29,321 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 07:11:29" (1/1) ... [2024-02-07 19:11:29,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:11:29,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:11:29,358 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 19:11:29,385 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 19:11:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:11:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:11:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:11:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:11:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:11:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 19:11:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 19:11:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:11:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:11:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:11:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:11:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:11:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:11:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:11:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:11:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:11:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:11:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:11:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:11:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:11:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:11:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:11:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:11:29,405 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 19:11:29,540 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:11:29,542 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:11:29,763 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:11:29,763 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:11:29,907 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:11:29,907 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:11:29,907 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:11:29 BoogieIcfgContainer [2024-02-07 19:11:29,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:11:29,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:11:29,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:11:29,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:11:29,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:11:28" (1/4) ... [2024-02-07 19:11:29,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3aba76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:11:29, skipping insertion in model container [2024-02-07 19:11:29,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:11:28" (2/4) ... [2024-02-07 19:11:29,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3aba76 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:11:29, skipping insertion in model container [2024-02-07 19:11:29,921 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 07:11:29" (3/4) ... [2024-02-07 19:11:29,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3aba76 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:11:29, skipping insertion in model container [2024-02-07 19:11:29,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:11:29" (4/4) ... [2024-02-07 19:11:29,923 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2024-02-07 19:11:29,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:11:29,940 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-02-07 19:11:29,940 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:11:30,011 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 19:11:30,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 37 transitions, 95 flow [2024-02-07 19:11:30,167 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-02-07 19:11:30,168 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 19:11:30,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 0/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-07 19:11:30,170 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 37 transitions, 95 flow [2024-02-07 19:11:30,173 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 33 transitions, 84 flow [2024-02-07 19:11:30,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:11:30,201 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;@351c8ca2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:11:30,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-02-07 19:11:30,204 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:11:30,204 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:11:30,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:11:30,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:11:30,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:11:30,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 12 more)] === [2024-02-07 19:11:30,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:11:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash 8053, now seen corresponding path program 1 times [2024-02-07 19:11:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:11:30,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867879874] [2024-02-07 19:11:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:11:30,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:11:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:11:30,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:11:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:11:30,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:11:30,381 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:11:30,382 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 15 remaining) [2024-02-07 19:11:30,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 15 remaining) [2024-02-07 19:11:30,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 15 remaining) [2024-02-07 19:11:30,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 15 remaining) [2024-02-07 19:11:30,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 15 remaining) [2024-02-07 19:11:30,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 15 remaining) [2024-02-07 19:11:30,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 15 remaining) [2024-02-07 19:11:30,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 15 remaining) [2024-02-07 19:11:30,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (6 of 15 remaining) [2024-02-07 19:11:30,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 15 remaining) [2024-02-07 19:11:30,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 15 remaining) [2024-02-07 19:11:30,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 15 remaining) [2024-02-07 19:11:30,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 15 remaining) [2024-02-07 19:11:30,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 15 remaining) [2024-02-07 19:11:30,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 15 remaining) [2024-02-07 19:11:30,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:11:30,395 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 19:11:30,404 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:11:30,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:11:30,421 INFO L503 ceAbstractionStarter]: Automizer considered 8 witness invariants [2024-02-07 19:11:30,422 INFO L504 ceAbstractionStarter]: WitnessConsidered=8 [2024-02-07 19:11:30,424 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:11:30 BasicIcfg [2024-02-07 19:11:30,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:11:30,426 INFO L158 Benchmark]: Toolchain (without parser) took 1544.12ms. Allocated memory is still 188.7MB. Free memory was 114.1MB in the beginning and 141.3MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:11:30,427 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 85.3MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:11:30,431 INFO L158 Benchmark]: Witness Parser took 4.60ms. Allocated memory is still 188.7MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:11:30,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.97ms. Allocated memory is still 188.7MB. Free memory was 113.5MB in the beginning and 98.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-07 19:11:30,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.32ms. Allocated memory is still 188.7MB. Free memory was 98.7MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:11:30,433 INFO L158 Benchmark]: Boogie Preprocessor took 87.09ms. Allocated memory is still 188.7MB. Free memory was 96.7MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:11:30,433 INFO L158 Benchmark]: RCFGBuilder took 587.65ms. Allocated memory is still 188.7MB. Free memory was 94.7MB in the beginning and 62.1MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-07 19:11:30,434 INFO L158 Benchmark]: TraceAbstraction took 514.94ms. Allocated memory is still 188.7MB. Free memory was 61.7MB in the beginning and 141.3MB in the end (delta: -79.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:11:30,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 85.3MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 4.60ms. Allocated memory is still 188.7MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.97ms. Allocated memory is still 188.7MB. Free memory was 113.5MB in the beginning and 98.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.32ms. Allocated memory is still 188.7MB. Free memory was 98.7MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.09ms. Allocated memory is still 188.7MB. Free memory was 96.7MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.65ms. Allocated memory is still 188.7MB. Free memory was 94.7MB in the beginning and 62.1MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 514.94ms. Allocated memory is still 188.7MB. Free memory was 61.7MB in the beginning and 141.3MB in the end (delta: -79.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 64]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int result_3, result_4, result_5; [L39] _Bool sponsored_0, sponsored_1, sponsored_2; [L60] pthread_t t1, t2, t3; [L63] sponsored_0 = __VERIFIER_nondet_bool() [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=2, sponsored_1=0, sponsored_2=0, t1={5:0}, t2={3:0}, t3={6:0}] - 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: 50]: 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: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: 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: 69]: 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: 70]: 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: 68]: 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, 53 locations, 15 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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 19:11:30,475 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