./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-lamport.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-lamport.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-lamport.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-lamport.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 14:35:12,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:35:12,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:35:12,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:35:12,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:35:12,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:35:12,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:35:12,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:35:12,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:35:12,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:35:12,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:35:12,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:35:12,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:35:12,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:35:12,962 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:35:12,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:35:12,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:35:12,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:35:12,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:35:12,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:35:12,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:35:12,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:35:12,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:35:12,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:35:12,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:35:12,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:35:12,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:35:12,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:35:12,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:35:12,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:35:12,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:35:12,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:35:12,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:12,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:35:12,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:35:12,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:35:12,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:35:12,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:35:12,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:35:12,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:35:12,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:35:12,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:35:12,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:35:12,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:35:13,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:35:13,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:35:13,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:35:13,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:35:13,225 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:35:13,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-02-07 14:35:14,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:35:14,454 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:35:14,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-02-07 14:35:14,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c35e4b62c/a1233603743e46649b68f2ea3507dd26/FLAG096c5ecad [2024-02-07 14:35:14,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c35e4b62c/a1233603743e46649b68f2ea3507dd26 [2024-02-07 14:35:14,479 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:35:14,479 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:35:14,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-lamport.wvr.yml/witness.yml [2024-02-07 14:35:14,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:35:14,566 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:35:14,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:14,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:35:14,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:35:14,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:14" (1/2) ... [2024-02-07 14:35:14,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6147bea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:14, skipping insertion in model container [2024-02-07 14:35:14,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:14" (1/2) ... [2024-02-07 14:35:14,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7df9addf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:14, skipping insertion in model container [2024-02-07 14:35:14,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:14" (2/2) ... [2024-02-07 14:35:14,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6147bea3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:14, skipping insertion in model container [2024-02-07 14:35:14,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:14" (2/2) ... [2024-02-07 14:35:14,574 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:35:14,603 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:35:14,604 INFO L76 edCorrectnessWitness]: Location invariant before [L91-L91] -2147483647 <= n2 [2024-02-07 14:35:14,604 INFO L76 edCorrectnessWitness]: Location invariant before [L61-L61] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-02-07 14:35:14,604 INFO L76 edCorrectnessWitness]: Location invariant before [L151-L151] n1 == 0 [2024-02-07 14:35:14,605 INFO L76 edCorrectnessWitness]: Location invariant before [L150-L150] e2 == (_Bool)0 [2024-02-07 14:35:14,605 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] -2147483647 <= n1 [2024-02-07 14:35:14,605 INFO L76 edCorrectnessWitness]: Location invariant before [L108-L108] 0 <= i [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L59-L59] e1 == (_Bool)0 [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L87-L87] -2147483647 <= n1 [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L172-L172] ((-1LL - (long long )i) + (long long )size >= 0LL) && ((((((((((((8 <= i && i <= 2147483646) && (-17LL + (long long )i) + (long long )size >= 0LL) && i != 0) && i != 1) || ((-15LL + (long long )i) + (long long )size >= 0LL && i == 7)) || ((-13LL + (long long )i) + (long long )size >= 0LL && i == 6)) || ((-11LL + (long long )i) + (long long )size >= 0LL && i == 5)) || ((-9LL + (long long )i) + (long long )size >= 0LL && i == 4)) || ((-7LL + (long long )i) + (long long )size >= 0LL && i == 3)) || ((-5LL + (long long )i) + (long long )size >= 0LL && i == 2)) || ((-3LL + (long long )i) + (long long )size >= 0LL && i == 1)) || (((-1LL + (long long )i) + (long long )size >= 0LL && 0 == i) && i == 0)) [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L73-L73] 0 <= i [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L52-L52] -2147483647 <= n2 [2024-02-07 14:35:14,606 INFO L76 edCorrectnessWitness]: Location invariant before [L88-L88] -2147483647 <= tmp2 [2024-02-07 14:35:14,609 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] e1 == (_Bool)1 [2024-02-07 14:35:14,609 INFO L76 edCorrectnessWitness]: Location invariant before [L94-L94] e2 == (_Bool)0 [2024-02-07 14:35:14,609 INFO L76 edCorrectnessWitness]: Location invariant before [L85-L85] e2 == (_Bool)1 [2024-02-07 14:35:14,610 INFO L76 edCorrectnessWitness]: Location invariant before [L146-L146] 0 <= i [2024-02-07 14:35:14,610 INFO L76 edCorrectnessWitness]: Location invariant before [L64-L64] ((-2147483647 <= n1) && (-2147483647 <= n2)) && (n2 != 0) [2024-02-07 14:35:14,610 INFO L76 edCorrectnessWitness]: Location invariant before [L149-L149] e1 == (_Bool)0 [2024-02-07 14:35:14,610 INFO L76 edCorrectnessWitness]: Location invariant before [L77-L77] n1 == 0 [2024-02-07 14:35:14,610 INFO L76 edCorrectnessWitness]: Location invariant before [L99-L99] ((-2147483647 <= n1) && (-2147483647 <= n2)) && (n1 != 0) [2024-02-07 14:35:14,611 INFO L76 edCorrectnessWitness]: Location invariant before [L153-L153] n2 == 0 [2024-02-07 14:35:14,611 INFO L76 edCorrectnessWitness]: Location invariant before [L122-L122] 0 <= j [2024-02-07 14:35:14,611 INFO L76 edCorrectnessWitness]: Location invariant before [L174-L174] (long long )i - (long long )size >= 0LL [2024-02-07 14:35:14,611 INFO L76 edCorrectnessWitness]: Location invariant before [L53-L53] -2147483647 <= tmp1 [2024-02-07 14:35:14,611 INFO L76 edCorrectnessWitness]: Location invariant before [L112-L112] n2 == 0 [2024-02-07 14:35:14,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:35:14,810 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-lamport.wvr.c[4249,4262] [2024-02-07 14:35:14,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:14,834 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:35:14,875 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-lamport.wvr.c[4249,4262] Start Parsing Local Start Parsing Local [2024-02-07 14:35:14,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:14,899 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:35:14,899 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:14 WrapperNode [2024-02-07 14:35:14,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:14,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:14,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:35:14,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:35:14,905 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,911 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,934 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 272 [2024-02-07 14:35:14,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:14,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:35:14,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:35:14,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:35:14,943 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,943 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,946 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,959 INFO L175 MemorySlicer]: Split 13 memory accesses to 5 slices as follows [2, 5, 2, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:35:14,960 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,960 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,967 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,970 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,971 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,972 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:35:14,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:35:14,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:35:14,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:35:14,989 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 02:35:14" (1/1) ... [2024-02-07 14:35:14,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:14,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:35:15,012 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 14:35:15,016 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 14:35:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:35:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:35:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:35:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:35:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:35:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:35:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:35:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:35:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:35:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:35:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 14:35:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 14:35:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:35:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:35:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:35:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:35:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:35:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:35:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:35:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 14:35:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:35:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:35:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:35:15,042 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 14:35:15,123 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:35:15,124 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:35:15,391 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:35:15,391 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:35:15,615 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:35:15,616 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-07 14:35:15,617 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:15 BoogieIcfgContainer [2024-02-07 14:35:15,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:35:15,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:35:15,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:35:15,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:35:15,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:35:14" (1/4) ... [2024-02-07 14:35:15,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7ccd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:35:15, skipping insertion in model container [2024-02-07 14:35:15,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:14" (2/4) ... [2024-02-07 14:35:15,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7ccd47 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:35:15, skipping insertion in model container [2024-02-07 14:35:15,624 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 02:35:14" (3/4) ... [2024-02-07 14:35:15,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7ccd47 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:35:15, skipping insertion in model container [2024-02-07 14:35:15,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:15" (4/4) ... [2024-02-07 14:35:15,625 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-02-07 14:35:15,639 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:35:15,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-02-07 14:35:15,639 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:35:15,683 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 14:35:15,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 82 transitions, 185 flow [2024-02-07 14:35:15,752 INFO L124 PetriNetUnfolderBase]: 1/79 cut-off events. [2024-02-07 14:35:15,753 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 14:35:15,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 79 events. 1/79 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 163 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-02-07 14:35:15,755 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 82 transitions, 185 flow [2024-02-07 14:35:15,758 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 78 transitions, 174 flow [2024-02-07 14:35:15,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:35:15,771 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;@3bff783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:35:15,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-02-07 14:35:15,774 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:35:15,775 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-02-07 14:35:15,775 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:35:15,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:35:15,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 14:35:15,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 46 more)] === [2024-02-07 14:35:15,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:35:15,780 INFO L85 PathProgramCache]: Analyzing trace with hash 682673, now seen corresponding path program 1 times [2024-02-07 14:35:15,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:35:15,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916070529] [2024-02-07 14:35:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:35:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:35:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:35:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:35:16,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:35:16,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916070529] [2024-02-07 14:35:16,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916070529] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:35:16,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:35:16,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:35:16,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852715861] [2024-02-07 14:35:16,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:35:16,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 14:35:16,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:35:16,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 14:35:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-07 14:35:16,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 82 [2024-02-07 14:35:16,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:35:16,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:35:16,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 82 [2024-02-07 14:35:16,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:35:17,053 INFO L124 PetriNetUnfolderBase]: 8127/12219 cut-off events. [2024-02-07 14:35:17,054 INFO L125 PetriNetUnfolderBase]: For 393/393 co-relation queries the response was YES. [2024-02-07 14:35:17,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24834 conditions, 12219 events. 8127/12219 cut-off events. For 393/393 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 70357 event pairs, 8125 based on Foata normal form. 0/9311 useless extension candidates. Maximal degree in co-relation 23575. Up to 11960 conditions per place. [2024-02-07 14:35:17,113 INFO L140 encePairwiseOnDemand]: 69/82 looper letters, 57 selfloop transitions, 4 changer transitions 0/73 dead transitions. [2024-02-07 14:35:17,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 286 flow [2024-02-07 14:35:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 14:35:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 14:35:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2024-02-07 14:35:17,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39634146341463417 [2024-02-07 14:35:17,125 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 174 flow. Second operand 4 states and 130 transitions. [2024-02-07 14:35:17,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 286 flow [2024-02-07 14:35:17,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 274 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-07 14:35:17,138 INFO L231 Difference]: Finished difference. Result has 78 places, 73 transitions, 173 flow [2024-02-07 14:35:17,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=78, PETRI_TRANSITIONS=73} [2024-02-07 14:35:17,141 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -9 predicate places. [2024-02-07 14:35:17,142 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 73 transitions, 173 flow [2024-02-07 14:35:17,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:35:17,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:35:17,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 14:35:17,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:35:17,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 46 more)] === [2024-02-07 14:35:17,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:35:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash 682730, now seen corresponding path program 1 times [2024-02-07 14:35:17,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:35:17,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177687629] [2024-02-07 14:35:17,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:35:17,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:35:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:17,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:35:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:17,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:35:17,179 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:35:17,180 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 49 remaining) [2024-02-07 14:35:17,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 49 remaining) [2024-02-07 14:35:17,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 49 remaining) [2024-02-07 14:35:17,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 49 remaining) [2024-02-07 14:35:17,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 49 remaining) [2024-02-07 14:35:17,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 49 remaining) [2024-02-07 14:35:17,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 49 remaining) [2024-02-07 14:35:17,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 49 remaining) [2024-02-07 14:35:17,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 49 remaining) [2024-02-07 14:35:17,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 49 remaining) [2024-02-07 14:35:17,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 49 remaining) [2024-02-07 14:35:17,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 49 remaining) [2024-02-07 14:35:17,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 49 remaining) [2024-02-07 14:35:17,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 49 remaining) [2024-02-07 14:35:17,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 49 remaining) [2024-02-07 14:35:17,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 49 remaining) [2024-02-07 14:35:17,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 49 remaining) [2024-02-07 14:35:17,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 49 remaining) [2024-02-07 14:35:17,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 49 remaining) [2024-02-07 14:35:17,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 49 remaining) [2024-02-07 14:35:17,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 49 remaining) [2024-02-07 14:35:17,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 49 remaining) [2024-02-07 14:35:17,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 49 remaining) [2024-02-07 14:35:17,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 49 remaining) [2024-02-07 14:35:17,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 49 remaining) [2024-02-07 14:35:17,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 49 remaining) [2024-02-07 14:35:17,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (22 of 49 remaining) [2024-02-07 14:35:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 49 remaining) [2024-02-07 14:35:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 49 remaining) [2024-02-07 14:35:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 49 remaining) [2024-02-07 14:35:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 49 remaining) [2024-02-07 14:35:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 49 remaining) [2024-02-07 14:35:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 49 remaining) [2024-02-07 14:35:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 49 remaining) [2024-02-07 14:35:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 49 remaining) [2024-02-07 14:35:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 49 remaining) [2024-02-07 14:35:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 49 remaining) [2024-02-07 14:35:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 49 remaining) [2024-02-07 14:35:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 49 remaining) [2024-02-07 14:35:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 49 remaining) [2024-02-07 14:35:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 49 remaining) [2024-02-07 14:35:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 49 remaining) [2024-02-07 14:35:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 49 remaining) [2024-02-07 14:35:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 49 remaining) [2024-02-07 14:35:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 49 remaining) [2024-02-07 14:35:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 49 remaining) [2024-02-07 14:35:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 49 remaining) [2024-02-07 14:35:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 49 remaining) [2024-02-07 14:35:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 49 remaining) [2024-02-07 14:35:17,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:35:17,191 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:35:17,196 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:35:17,196 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:35:17,205 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-02-07 14:35:17,210 INFO L503 ceAbstractionStarter]: Automizer considered 26 witness invariants [2024-02-07 14:35:17,210 INFO L504 ceAbstractionStarter]: WitnessConsidered=26 [2024-02-07 14:35:17,211 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:35:17 BasicIcfg [2024-02-07 14:35:17,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:35:17,212 INFO L158 Benchmark]: Toolchain (without parser) took 2645.32ms. Allocated memory was 172.0MB in the beginning and 436.2MB in the end (delta: 264.2MB). Free memory was 112.7MB in the beginning and 239.1MB in the end (delta: -126.3MB). Peak memory consumption was 139.2MB. Max. memory is 16.1GB. [2024-02-07 14:35:17,212 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:17,212 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:17,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.42ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 94.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-07 14:35:17,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.96ms. Allocated memory is still 172.0MB. Free memory was 94.5MB in the beginning and 92.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:17,213 INFO L158 Benchmark]: Boogie Preprocessor took 41.70ms. Allocated memory is still 172.0MB. Free memory was 92.1MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:17,214 INFO L158 Benchmark]: RCFGBuilder took 629.36ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 89.0MB in the beginning and 134.3MB in the end (delta: -45.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-02-07 14:35:17,214 INFO L158 Benchmark]: TraceAbstraction took 1591.26ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 134.3MB in the beginning and 239.1MB in the end (delta: -104.8MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2024-02-07 14:35:17,215 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 172.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.42ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 94.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.96ms. Allocated memory is still 172.0MB. Free memory was 94.5MB in the beginning and 92.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.70ms. Allocated memory is still 172.0MB. Free memory was 92.1MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.36ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 89.0MB in the beginning and 134.3MB in the end (delta: -45.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1591.26ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 134.3MB in the beginning and 239.1MB in the end (delta: -104.8MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 174]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L41] _Bool e1, e2; [L42] int n1, n2, tmp1, tmp2, i, j, i1, i2, n; [L43] int* f; [L132] pthread_t t1, t2, t3; [L135] tmp1 = __VERIFIER_nondet_int() [L136] tmp2 = __VERIFIER_nondet_int() [L137] i = __VERIFIER_nondet_int() [L138] j = __VERIFIER_nondet_int() [L139] i1 = __VERIFIER_nondet_int() [L140] i2 = __VERIFIER_nondet_int() [L141] n = __VERIFIER_nondet_int() [L142] CALL create_fresh_int_array(n) [L167] CALL assume_abort_if_not(size >= 0) [L38] COND FALSE !(!cond) [L167] RET assume_abort_if_not(size >= 0) [L168] CALL assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L38] COND FALSE !(!cond) [L168] RET assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L170] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L171] int i = 0; VAL [\old(size)=0, arr={-1:0}, e1=0, e2=0, f={0:0}, i=-1, i=0, i=0, i=0, j=0, n1=0, n2=0, n=0, size=0, tmp1=0, tmp2=0] [L171] COND FALSE !(i < size) [L174] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[i]],CastExpression[ACSLType[long long],IdentifierExpression[size]]],IntegerLiteral[0LL]]]] VAL [\old(size)=0, arr={-1:0}, e1=0, e2=0, f={0:0}, i=-1, i=0, i=0, j=0, n1=0, n2=0, n=0, size=0, tmp1=0, tmp2=0] - 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: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: 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: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: 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 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: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: 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: 108]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 172]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 146]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 149]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 150]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 151]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 153]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 161]: 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: 153]: 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: 155]: 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: 154]: 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, 136 locations, 49 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:35:17,263 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