./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.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-3d25acf-m [2024-01-30 14:24:49,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:24:49,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:24:49,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:24:49,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:24:49,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:24:49,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:24:49,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:24:49,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:24:49,544 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:24:49,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:24:49,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:24:49,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:24:49,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:24:49,546 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:24:49,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:24:49,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:24:49,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:24:49,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:24:49,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:24:49,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:24:49,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:24:49,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:24:49,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:24:49,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:24:49,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:24:49,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:24:49,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:24:49,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:24:49,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:24:49,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:24:49,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:24:49,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:24:49,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:24:49,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:24:49,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:24:49,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:24:49,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:24:49,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:24:49,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:24:49,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:24:49,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:24:49,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:24:49,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:24:49,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:24:49,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:24:49,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:24:49,778 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:24:49,778 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:24:49,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml [2024-01-30 14:24:49,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:24:49,927 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:24:49,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-30 14:24:50,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:24:51,084 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:24:51,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-30 14:24:51,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083117aa6/d0109b8a39104af0a926205a5ec7e313/FLAGb808277d5 [2024-01-30 14:24:51,110 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083117aa6/d0109b8a39104af0a926205a5ec7e313 [2024-01-30 14:24:51,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:24:51,112 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:24:51,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:24:51,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:24:51,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:24:51,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:24:49" (1/2) ... [2024-01-30 14:24:51,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5538957d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:24:51, skipping insertion in model container [2024-01-30 14:24:51,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:24:49" (1/2) ... [2024-01-30 14:24:51,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@329d684a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:24:51, skipping insertion in model container [2024-01-30 14:24:51,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:24:51" (2/2) ... [2024-01-30 14:24:51,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5538957d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51, skipping insertion in model container [2024-01-30 14:24:51,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:24:51" (2/2) ... [2024-01-30 14:24:51,122 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:24:51,149 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:24:51,150 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,150 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,151 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,151 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] ((m == 0U) && (T == 0U)) && (S == 0U) [2024-01-30 14:24:51,151 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:24:51,151 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (((t == 0U) && (m == 0U)) && (T == 0U)) && (S == 0U) [2024-01-30 14:24:51,151 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] ((s <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (s != 4294967295U) [2024-01-30 14:24:51,151 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] ((((s == 0U) && (t == 0U)) && (m == 0U)) && (T == 0U)) && (S == 0U) [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,152 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,153 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:24:51,153 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,153 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] m == 0U [2024-01-30 14:24:51,153 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,153 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (s <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((((unsigned long )_argptr == 0UL) && (t == 0U)) && (m == 0U)) && (T == 0U)) && (S == 0U) [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] ((1U <= s) && ((unsigned long )_argptr == 0UL)) && (s != 0U) [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,154 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] ((1U <= s) && (m == 0U)) && (s != 0U) [2024-01-30 14:24:51,155 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,155 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,155 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (m == 0U) && (T == 0U) [2024-01-30 14:24:51,155 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-30 14:24:51,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:24:51,333 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-01-30 14:24:51,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:24:51,348 INFO L202 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 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 [2024-01-30 14:24:51,423 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-01-30 14:24:51,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:24:51,435 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:24:51,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51 WrapperNode [2024-01-30 14:24:51,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:24:51,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:24:51,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:24:51,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:24:51,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,483 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-01-30 14:24:51,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:24:51,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:24:51,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:24:51,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:24:51,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,525 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-30 14:24:51,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:24:51,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:24:51,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:24:51,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:24:51,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (1/1) ... [2024-01-30 14:24:51,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:24:51,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:24:51,573 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) [2024-01-30 14:24:51,580 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 [2024-01-30 14:24:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:24:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-30 14:24:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-30 14:24:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-30 14:24:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:24:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:24:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:24:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:24:51,607 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:24:51,678 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:24:51,679 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:24:51,955 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:24:51,955 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:24:52,133 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:24:52,134 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-30 14:24:52,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:24:52 BoogieIcfgContainer [2024-01-30 14:24:52,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:24:52,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:24:52,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:24:52,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:24:52,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:24:49" (1/4) ... [2024-01-30 14:24:52,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64177124 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:24:52, skipping insertion in model container [2024-01-30 14:24:52,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:24:51" (2/4) ... [2024-01-30 14:24:52,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64177124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:24:52, skipping insertion in model container [2024-01-30 14:24:52,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:24:51" (3/4) ... [2024-01-30 14:24:52,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64177124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:24:52, skipping insertion in model container [2024-01-30 14:24:52,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:24:52" (4/4) ... [2024-01-30 14:24:52,142 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-01-30 14:24:52,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:24:52,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-01-30 14:24:52,156 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:24:52,206 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-30 14:24:52,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 174 flow [2024-01-30 14:24:52,271 INFO L124 PetriNetUnfolderBase]: 2/78 cut-off events. [2024-01-30 14:24:52,272 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:24:52,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 78 events. 2/78 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 198 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-01-30 14:24:52,276 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 80 transitions, 174 flow [2024-01-30 14:24:52,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 77 transitions, 166 flow [2024-01-30 14:24:52,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:24:52,289 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;@72b54cf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:24:52,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2024-01-30 14:24:52,290 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:24:52,291 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:24:52,291 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:24:52,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:24:52,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:24:52,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 64 more)] === [2024-01-30 14:24:52,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:24:52,305 INFO L85 PathProgramCache]: Analyzing trace with hash 12325, now seen corresponding path program 1 times [2024-01-30 14:24:52,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:24:52,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989901078] [2024-01-30 14:24:52,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:24:52,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:24:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:24:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:24:52,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:24:52,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989901078] [2024-01-30 14:24:52,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989901078] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:24:52,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:24:52,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:24:52,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646668036] [2024-01-30 14:24:52,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:24:52,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:24:52,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:24:52,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:24:52,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:24:52,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 80 [2024-01-30 14:24:52,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-01-30 14:24:52,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:24:52,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 80 [2024-01-30 14:24:52,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:24:53,107 INFO L124 PetriNetUnfolderBase]: 337/752 cut-off events. [2024-01-30 14:24:53,108 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-30 14:24:53,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1392 conditions, 752 events. 337/752 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5275 event pairs, 327 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 1260. Up to 602 conditions per place. [2024-01-30 14:24:53,115 INFO L140 encePairwiseOnDemand]: 69/80 looper letters, 36 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2024-01-30 14:24:53,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 68 transitions, 224 flow [2024-01-30 14:24:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:24:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:24:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2024-01-30 14:24:53,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5958333333333333 [2024-01-30 14:24:53,126 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 166 flow. Second operand 3 states and 143 transitions. [2024-01-30 14:24:53,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 68 transitions, 224 flow [2024-01-30 14:24:53,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 68 transitions, 216 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-30 14:24:53,132 INFO L231 Difference]: Finished difference. Result has 71 places, 68 transitions, 144 flow [2024-01-30 14:24:53,133 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=71, PETRI_TRANSITIONS=68} [2024-01-30 14:24:53,136 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -11 predicate places. [2024-01-30 14:24:53,136 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 68 transitions, 144 flow [2024-01-30 14:24:53,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-01-30 14:24:53,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:24:53,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:24:53,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:24:53,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 64 more)] === [2024-01-30 14:24:53,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:24:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash 382445, now seen corresponding path program 1 times [2024-01-30 14:24:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:24:53,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395492128] [2024-01-30 14:24:53,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:24:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:24:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:24:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:24:53,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:24:53,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395492128] [2024-01-30 14:24:53,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395492128] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:24:53,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:24:53,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:24:53,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940822385] [2024-01-30 14:24:53,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:24:53,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:24:53,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:24:53,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:24:53,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:24:53,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 80 [2024-01-30 14:24:53,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-01-30 14:24:53,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:24:53,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 80 [2024-01-30 14:24:53,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:24:53,449 INFO L124 PetriNetUnfolderBase]: 552/1268 cut-off events. [2024-01-30 14:24:53,450 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-30 14:24:53,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2216 conditions, 1268 events. 552/1268 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 9072 event pairs, 278 based on Foata normal form. 1/822 useless extension candidates. Maximal degree in co-relation 2207. Up to 667 conditions per place. [2024-01-30 14:24:53,458 INFO L140 encePairwiseOnDemand]: 73/80 looper letters, 51 selfloop transitions, 5 changer transitions 1/87 dead transitions. [2024-01-30 14:24:53,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 87 transitions, 299 flow [2024-01-30 14:24:53,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:24:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:24:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2024-01-30 14:24:53,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6583333333333333 [2024-01-30 14:24:53,463 INFO L175 Difference]: Start difference. First operand has 71 places, 68 transitions, 144 flow. Second operand 3 states and 158 transitions. [2024-01-30 14:24:53,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 87 transitions, 299 flow [2024-01-30 14:24:53,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 87 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:24:53,466 INFO L231 Difference]: Finished difference. Result has 71 places, 69 transitions, 163 flow [2024-01-30 14:24:53,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=71, PETRI_TRANSITIONS=69} [2024-01-30 14:24:53,467 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -11 predicate places. [2024-01-30 14:24:53,467 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 69 transitions, 163 flow [2024-01-30 14:24:53,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-01-30 14:24:53,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:24:53,468 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-30 14:24:53,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:24:53,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 64 more)] === [2024-01-30 14:24:53,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:24:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash 11856167, now seen corresponding path program 1 times [2024-01-30 14:24:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:24:53,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184427721] [2024-01-30 14:24:53,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:24:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:24:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:24:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:24:53,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:24:53,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184427721] [2024-01-30 14:24:53,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184427721] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:24:53,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:24:53,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:24:53,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103941363] [2024-01-30 14:24:53,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:24:53,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:24:53,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:24:53,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:24:53,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:24:53,522 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 80 [2024-01-30 14:24:53,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 69 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-01-30 14:24:53,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:24:53,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 80 [2024-01-30 14:24:53,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:24:53,671 INFO L124 PetriNetUnfolderBase]: 614/1435 cut-off events. [2024-01-30 14:24:53,671 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2024-01-30 14:24:53,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2674 conditions, 1435 events. 614/1435 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 10366 event pairs, 346 based on Foata normal form. 1/1057 useless extension candidates. Maximal degree in co-relation 704. Up to 605 conditions per place. [2024-01-30 14:24:53,677 INFO L140 encePairwiseOnDemand]: 74/80 looper letters, 52 selfloop transitions, 5 changer transitions 1/88 dead transitions. [2024-01-30 14:24:53,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 88 transitions, 324 flow [2024-01-30 14:24:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:24:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:24:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2024-01-30 14:24:53,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-01-30 14:24:53,679 INFO L175 Difference]: Start difference. First operand has 71 places, 69 transitions, 163 flow. Second operand 3 states and 160 transitions. [2024-01-30 14:24:53,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 88 transitions, 324 flow [2024-01-30 14:24:53,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:24:53,681 INFO L231 Difference]: Finished difference. Result has 72 places, 69 transitions, 179 flow [2024-01-30 14:24:53,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2024-01-30 14:24:53,682 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -10 predicate places. [2024-01-30 14:24:53,682 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 179 flow [2024-01-30 14:24:53,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-01-30 14:24:53,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:24:53,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:24:53,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:24:53,683 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 64 more)] === [2024-01-30 14:24:53,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:24:53,683 INFO L85 PathProgramCache]: Analyzing trace with hash 367541598, now seen corresponding path program 1 times [2024-01-30 14:24:53,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:24:53,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212272920] [2024-01-30 14:24:53,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:24:53,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:24:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:24:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:24:53,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:24:53,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212272920] [2024-01-30 14:24:53,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212272920] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:24:53,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:24:53,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:24:53,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500665724] [2024-01-30 14:24:53,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:24:53,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:24:53,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:24:53,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:24:53,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:24:53,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 80 [2024-01-30 14:24:53,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-30 14:24:53,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:24:53,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 80 [2024-01-30 14:24:53,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:24:53,852 INFO L124 PetriNetUnfolderBase]: 614/1434 cut-off events. [2024-01-30 14:24:53,852 INFO L125 PetriNetUnfolderBase]: For 379/385 co-relation queries the response was YES. [2024-01-30 14:24:53,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 1434 events. 614/1434 cut-off events. For 379/385 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 10412 event pairs, 346 based on Foata normal form. 0/1056 useless extension candidates. Maximal degree in co-relation 744. Up to 603 conditions per place. [2024-01-30 14:24:53,862 INFO L140 encePairwiseOnDemand]: 75/80 looper letters, 51 selfloop transitions, 5 changer transitions 1/87 dead transitions. [2024-01-30 14:24:53,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 87 transitions, 334 flow [2024-01-30 14:24:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:24:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:24:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2024-01-30 14:24:53,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6708333333333333 [2024-01-30 14:24:53,863 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 179 flow. Second operand 3 states and 161 transitions. [2024-01-30 14:24:53,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 87 transitions, 334 flow [2024-01-30 14:24:53,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 87 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:24:53,865 INFO L231 Difference]: Finished difference. Result has 72 places, 68 transitions, 182 flow [2024-01-30 14:24:53,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=72, PETRI_TRANSITIONS=68} [2024-01-30 14:24:53,866 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -10 predicate places. [2024-01-30 14:24:53,866 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 68 transitions, 182 flow [2024-01-30 14:24:53,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-30 14:24:53,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:24:53,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-30 14:24:53,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:24:53,867 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 64 more)] === [2024-01-30 14:24:53,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:24:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1491111990, now seen corresponding path program 1 times [2024-01-30 14:24:53,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:24:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942200928] [2024-01-30 14:24:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:24:53,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:24:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:24:53,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:24:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:24:53,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:24:53,898 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:24:53,900 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 67 remaining) [2024-01-30 14:24:53,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 67 remaining) [2024-01-30 14:24:53,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 67 remaining) [2024-01-30 14:24:53,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 67 remaining) [2024-01-30 14:24:53,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 67 remaining) [2024-01-30 14:24:53,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 67 remaining) [2024-01-30 14:24:53,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 67 remaining) [2024-01-30 14:24:53,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 67 remaining) [2024-01-30 14:24:53,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 67 remaining) [2024-01-30 14:24:53,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 67 remaining) [2024-01-30 14:24:53,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 67 remaining) [2024-01-30 14:24:53,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 67 remaining) [2024-01-30 14:24:53,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 67 remaining) [2024-01-30 14:24:53,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 67 remaining) [2024-01-30 14:24:53,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 67 remaining) [2024-01-30 14:24:53,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 67 remaining) [2024-01-30 14:24:53,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 67 remaining) [2024-01-30 14:24:53,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 67 remaining) [2024-01-30 14:24:53,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 67 remaining) [2024-01-30 14:24:53,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 67 remaining) [2024-01-30 14:24:53,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 67 remaining) [2024-01-30 14:24:53,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 67 remaining) [2024-01-30 14:24:53,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 67 remaining) [2024-01-30 14:24:53,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 67 remaining) [2024-01-30 14:24:53,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 67 remaining) [2024-01-30 14:24:53,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 67 remaining) [2024-01-30 14:24:53,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 67 remaining) [2024-01-30 14:24:53,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (31 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 67 remaining) [2024-01-30 14:24:53,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 67 remaining) [2024-01-30 14:24:53,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 67 remaining) [2024-01-30 14:24:53,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 67 remaining) [2024-01-30 14:24:53,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 67 remaining) [2024-01-30 14:24:53,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 67 remaining) [2024-01-30 14:24:53,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 67 remaining) [2024-01-30 14:24:53,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 67 remaining) [2024-01-30 14:24:53,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 67 remaining) [2024-01-30 14:24:53,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 67 remaining) [2024-01-30 14:24:53,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 67 remaining) [2024-01-30 14:24:53,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 67 remaining) [2024-01-30 14:24:53,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 67 remaining) [2024-01-30 14:24:53,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 67 remaining) [2024-01-30 14:24:53,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 67 remaining) [2024-01-30 14:24:53,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 67 remaining) [2024-01-30 14:24:53,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 67 remaining) [2024-01-30 14:24:53,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 67 remaining) [2024-01-30 14:24:53,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 67 remaining) [2024-01-30 14:24:53,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 67 remaining) [2024-01-30 14:24:53,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 67 remaining) [2024-01-30 14:24:53,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 67 remaining) [2024-01-30 14:24:53,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 67 remaining) [2024-01-30 14:24:53,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 67 remaining) [2024-01-30 14:24:53,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 67 remaining) [2024-01-30 14:24:53,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 67 remaining) [2024-01-30 14:24:53,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 67 remaining) [2024-01-30 14:24:53,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 67 remaining) [2024-01-30 14:24:53,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-30 14:24:53,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-30 14:24:53,927 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:24:53,928 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:24:53,942 INFO L503 ceAbstractionStarter]: Automizer considered 35 witness invariants [2024-01-30 14:24:53,942 INFO L504 ceAbstractionStarter]: WitnessConsidered=35 [2024-01-30 14:24:53,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:24:53 BasicIcfg [2024-01-30 14:24:53,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:24:53,947 INFO L158 Benchmark]: Toolchain (without parser) took 2831.82ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 95.8MB in the beginning and 46.3MB in the end (delta: 49.5MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2024-01-30 14:24:53,947 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:24:53,947 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:24:53,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.60ms. Allocated memory is still 125.8MB. Free memory was 95.3MB in the beginning and 79.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-30 14:24:53,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.90ms. Allocated memory is still 125.8MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:24:53,948 INFO L158 Benchmark]: Boogie Preprocessor took 66.16ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 74.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-30 14:24:53,948 INFO L158 Benchmark]: RCFGBuilder took 583.72ms. Allocated memory is still 125.8MB. Free memory was 74.9MB in the beginning and 85.6MB in the end (delta: -10.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-01-30 14:24:53,948 INFO L158 Benchmark]: TraceAbstraction took 1806.06ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 84.9MB in the beginning and 46.3MB in the end (delta: 38.5MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-01-30 14:24:53,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.60ms. Allocated memory is still 125.8MB. Free memory was 95.3MB in the beginning and 79.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.90ms. Allocated memory is still 125.8MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.16ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 74.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 583.72ms. Allocated memory is still 125.8MB. Free memory was 74.9MB in the beginning and 85.6MB in the end (delta: -10.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1806.06ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 84.9MB in the beginning and 46.3MB in the end (delta: 38.5MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, T, S; [L79] pthread_t t1, t2; VAL [S=0, T=0, m=0, s=0, t1={5:0}, t2={3:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] [L81] s = __VERIFIER_nondet_uint() [L82] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] [L82] t = __VERIFIER_nondet_uint() [L83] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] [L83] S = s VAL [S=0, T=0, m=0, s=0, t1={5:0}, t2={3:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]]] [L84] T = t VAL [S=0, T=49, m=0, s=0, t1={5:0}, t2={3:0}, t=49] [L86] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1U],IdentifierExpression[s]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPNEQ,IdentifierExpression[s],IntegerLiteral[0U]]]]] VAL [S=0, T=49, m=0, s=0, t1={5:0}, t2={3:0}, t=49] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: 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: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: 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: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: 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: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: 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: 90]: 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: 89]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 136 locations, 67 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 326 IncrementalHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 7 mSDtfsCounter, 326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 0.5s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-01-30 14:24:53,974 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