./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy10.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/test-easy10.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/test-easy10.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/test-easy10.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 14:43:03,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:43:03,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:43:03,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:43:03,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:43:03,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:43:03,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:43:03,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:43:03,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:43:03,460 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:43:03,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:43:03,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:43:03,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:43:03,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:43:03,463 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:43:03,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:43:03,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:43:03,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:43:03,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:43:03,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:43:03,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:43:03,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:43:03,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:43:03,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:43:03,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:43:03,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:43:03,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:43:03,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:43:03,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:43:03,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:43:03,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:43:03,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:43:03,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:43:03,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:43:03,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:43:03,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:43:03,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:43:03,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:43:03,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:43:03,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:43:03,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:43:03,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:43:03,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:43:03,472 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:43:03,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:43:03,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:43:03,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:43:03,742 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:43:03,742 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:43:03,743 INFO L431 ainManager$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/test-easy10.wvr.yml/witness.yml [2024-02-07 14:43:03,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:43:03,857 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:43:03,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2024-02-07 14:43:04,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:43:05,113 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:43:05,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2024-02-07 14:43:05,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02619c554/1ad04eb5f9e84788b75e01833e9bfa8d/FLAG008e112a6 [2024-02-07 14:43:05,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02619c554/1ad04eb5f9e84788b75e01833e9bfa8d [2024-02-07 14:43:05,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:43:05,139 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:43:05,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:43:05,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:43:05,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:43:05,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:43:03" (1/2) ... [2024-02-07 14:43:05,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcd772a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:43:05, skipping insertion in model container [2024-02-07 14:43:05,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:43:03" (1/2) ... [2024-02-07 14:43:05,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5171d04b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:43:05, skipping insertion in model container [2024-02-07 14:43:05,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:43:05" (2/2) ... [2024-02-07 14:43:05,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcd772a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05, skipping insertion in model container [2024-02-07 14:43:05,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:43:05" (2/2) ... [2024-02-07 14:43:05,149 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:43:05,180 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:43:05,181 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] t11 == (_Bool)0 || t11 == (_Bool)1 [2024-02-07 14:43:05,181 INFO L76 edCorrectnessWitness]: Location invariant before [L70-L70] (y1 <= 1U) && (y1 == 0U || y1 == 1U) [2024-02-07 14:43:05,181 INFO L76 edCorrectnessWitness]: Location invariant before [L52-L52] (f11 == (_Bool)1) && (f21 == (_Bool)0 || f21 == (_Bool)1) [2024-02-07 14:43:05,182 INFO L76 edCorrectnessWitness]: Location invariant before [L116-L116] (y2 <= 1U) && (y2 == 0U || y2 == 1U) [2024-02-07 14:43:05,182 INFO L76 edCorrectnessWitness]: Location invariant before [L59-L59] (y1 <= 1U) && (y1 == 0U || y1 == 1U) [2024-02-07 14:43:05,182 INFO L76 edCorrectnessWitness]: Location invariant before [L82-L82] (x1 <= 1U) && (x1 == 0U || x1 == 1U) [2024-02-07 14:43:05,182 INFO L76 edCorrectnessWitness]: Location invariant before [L127-L127] t22 == (_Bool)0 || t22 == (_Bool)1 [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L113-L113] t22 == (_Bool)0 || t22 == (_Bool)1 [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L46-L46] t11 == (_Bool)0 || t11 == (_Bool)1 [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L47-L47] (x1 <= 1U) && (x1 == 0U || x1 == 1U) [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L73-L73] f21 == (_Bool)1 [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L69-L69] t21 == (_Bool)0 || t21 == (_Bool)1 [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L93-L93] (x2 <= 1U) && (x2 == 0U || x2 == 1U) [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] f11 == (_Bool)1 [2024-02-07 14:43:05,183 INFO L76 edCorrectnessWitness]: Location invariant before [L44-L44] t11 == (_Bool)0 || t11 == (_Bool)1 [2024-02-07 14:43:05,184 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] f12 == (_Bool)1 [2024-02-07 14:43:05,184 INFO L76 edCorrectnessWitness]: Location invariant before [L128-L128] (x2 <= 1U) && (x2 == 0U || x2 == 1U) [2024-02-07 14:43:05,184 INFO L76 edCorrectnessWitness]: Location invariant before [L75-L75] (f11 == (_Bool)1) && (f21 == (_Bool)0 || f21 == (_Bool)1) [2024-02-07 14:43:05,184 INFO L76 edCorrectnessWitness]: Location invariant before [L92-L92] t12 == (_Bool)0 || t12 == (_Bool)1 [2024-02-07 14:43:05,184 INFO L76 edCorrectnessWitness]: Location invariant before [L58-L58] t11 == (_Bool)0 || t11 == (_Bool)1 [2024-02-07 14:43:05,184 INFO L76 edCorrectnessWitness]: Location invariant before [L105-L105] (y2 <= 1U) && (y2 == 0U || y2 == 1U) [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L119-L119] f22 == (_Bool)1 [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L98-L98] (f12 == (_Bool)1) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L104-L104] t12 == (_Bool)0 || t12 == (_Bool)1 [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L115-L115] t22 == (_Bool)0 || t22 == (_Bool)1 [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L102-L102] t12 == (_Bool)0 || t12 == (_Bool)1 [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L121-L121] (f12 == (_Bool)1) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-02-07 14:43:05,185 INFO L76 edCorrectnessWitness]: Location invariant before [L90-L90] t12 == (_Bool)0 || t12 == (_Bool)1 [2024-02-07 14:43:05,186 INFO L76 edCorrectnessWitness]: Location invariant before [L79-L79] t21 == (_Bool)0 || t21 == (_Bool)1 [2024-02-07 14:43:05,186 INFO L76 edCorrectnessWitness]: Location invariant before [L81-L81] t21 == (_Bool)0 || t21 == (_Bool)1 [2024-02-07 14:43:05,186 INFO L76 edCorrectnessWitness]: Location invariant before [L125-L125] t22 == (_Bool)0 || t22 == (_Bool)1 [2024-02-07 14:43:05,186 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] t21 == (_Bool)0 || t21 == (_Bool)1 [2024-02-07 14:43:05,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:43:05,359 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/test-easy10.wvr.c[3959,3972] [2024-02-07 14:43:05,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:43:05,370 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 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 14:43:05,433 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/test-easy10.wvr.c[3959,3972] [2024-02-07 14:43:05,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:43:05,450 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:43:05,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05 WrapperNode [2024-02-07 14:43:05,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:43:05,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:43:05,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:43:05,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:43:05,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,489 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2024-02-07 14:43:05,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:43:05,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:43:05,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:43:05,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:43:05,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,525 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 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 14:43:05,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:43:05,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:43:05,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:43:05,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:43:05,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (1/1) ... [2024-02-07 14:43:05,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:43:05,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:43:05,638 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 14:43:05,659 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 14:43:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:43:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:43:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:43:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:43:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:43:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 14:43:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 14:43:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-02-07 14:43:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-02-07 14:43:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:43:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:43:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:43:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:43:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:43:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:43:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:43:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:43:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:43:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:43:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:43:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:43:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:43:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:43:05,683 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 14:43:05,776 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:43:05,778 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:43:06,076 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:43:06,078 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:43:06,276 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:43:06,277 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:43:06,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:43:06 BoogieIcfgContainer [2024-02-07 14:43:06,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:43:06,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:43:06,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:43:06,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:43:06,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:43:03" (1/4) ... [2024-02-07 14:43:06,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fad13aa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:43:06, skipping insertion in model container [2024-02-07 14:43:06,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:43:05" (2/4) ... [2024-02-07 14:43:06,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fad13aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:43:06, skipping insertion in model container [2024-02-07 14:43:06,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:43:05" (3/4) ... [2024-02-07 14:43:06,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fad13aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:43:06, skipping insertion in model container [2024-02-07 14:43:06,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:43:06" (4/4) ... [2024-02-07 14:43:06,290 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2024-02-07 14:43:06,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:43:06,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2024-02-07 14:43:06,317 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:43:06,411 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-07 14:43:06,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 87 transitions, 202 flow [2024-02-07 14:43:06,487 INFO L124 PetriNetUnfolderBase]: 0/83 cut-off events. [2024-02-07 14:43:06,487 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-07 14:43:06,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 83 events. 0/83 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 294 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-07 14:43:06,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 87 transitions, 202 flow [2024-02-07 14:43:06,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 82 transitions, 188 flow [2024-02-07 14:43:06,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:43:06,514 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;@4216cba3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:43:06,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-02-07 14:43:06,544 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:43:06,545 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:43:06,545 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:43:06,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:43:06,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:43:06,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-02-07 14:43:06,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:43:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash 16216121, now seen corresponding path program 1 times [2024-02-07 14:43:06,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:43:06,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783959247] [2024-02-07 14:43:06,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:43:06,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:43:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:43:06,982 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 14:43:06,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:43:06,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783959247] [2024-02-07 14:43:06,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783959247] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:43:06,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:43:06,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:43:06,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864014831] [2024-02-07 14:43:06,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:43:06,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:43:06,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:43:07,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:43:07,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:43:07,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 87 [2024-02-07 14:43:07,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 82 transitions, 188 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 14:43:07,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:43:07,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 87 [2024-02-07 14:43:07,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:43:16,364 INFO L124 PetriNetUnfolderBase]: 107280/142511 cut-off events. [2024-02-07 14:43:16,365 INFO L125 PetriNetUnfolderBase]: For 5411/5411 co-relation queries the response was YES. [2024-02-07 14:43:16,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289326 conditions, 142511 events. 107280/142511 cut-off events. For 5411/5411 co-relation queries the response was YES. Maximal size of possible extension queue 3581. Compared 876190 event pairs, 107280 based on Foata normal form. 0/105777 useless extension candidates. Maximal degree in co-relation 266553. Up to 142418 conditions per place. [2024-02-07 14:43:17,458 INFO L140 encePairwiseOnDemand]: 67/87 looper letters, 57 selfloop transitions, 0 changer transitions 0/62 dead transitions. [2024-02-07 14:43:17,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 62 transitions, 262 flow [2024-02-07 14:43:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:43:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:43:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 95 transitions. [2024-02-07 14:43:17,469 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5459770114942529 [2024-02-07 14:43:17,471 INFO L175 Difference]: Start difference. First operand has 95 places, 82 transitions, 188 flow. Second operand 2 states and 95 transitions. [2024-02-07 14:43:17,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 62 transitions, 262 flow [2024-02-07 14:43:17,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 246 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-02-07 14:43:17,577 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 132 flow [2024-02-07 14:43:17,579 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2024-02-07 14:43:17,582 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -27 predicate places. [2024-02-07 14:43:17,582 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 132 flow [2024-02-07 14:43:17,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 14:43:17,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:43:17,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:43:17,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:43:17,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-02-07 14:43:17,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:43:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash 502700332, now seen corresponding path program 1 times [2024-02-07 14:43:17,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:43:17,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116153693] [2024-02-07 14:43:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:43:17,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:43:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:43:17,674 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 14:43:17,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:43:17,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116153693] [2024-02-07 14:43:17,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116153693] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:43:17,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:43:17,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:43:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913871063] [2024-02-07 14:43:17,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:43:17,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:43:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:43:17,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:43:17,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:43:17,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 87 [2024-02-07 14:43:17,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 14:43:17,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:43:17,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 87 [2024-02-07 14:43:17,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:43:23,528 INFO L124 PetriNetUnfolderBase]: 88646/118009 cut-off events. [2024-02-07 14:43:23,528 INFO L125 PetriNetUnfolderBase]: For 1275/1275 co-relation queries the response was YES. [2024-02-07 14:43:23,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237137 conditions, 118009 events. 88646/118009 cut-off events. For 1275/1275 co-relation queries the response was YES. Maximal size of possible extension queue 2968. Compared 714345 event pairs, 88646 based on Foata normal form. 0/91792 useless extension candidates. Maximal degree in co-relation 237134. Up to 117927 conditions per place. [2024-02-07 14:43:24,072 INFO L140 encePairwiseOnDemand]: 84/87 looper letters, 54 selfloop transitions, 1 changer transitions 0/60 dead transitions. [2024-02-07 14:43:24,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 60 transitions, 238 flow [2024-02-07 14:43:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:43:24,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:43:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-02-07 14:43:24,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3218390804597701 [2024-02-07 14:43:24,075 INFO L175 Difference]: Start difference. First operand has 68 places, 62 transitions, 132 flow. Second operand 3 states and 84 transitions. [2024-02-07 14:43:24,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 60 transitions, 238 flow [2024-02-07 14:43:24,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 60 transitions, 238 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:43:24,078 INFO L231 Difference]: Finished difference. Result has 68 places, 60 transitions, 130 flow [2024-02-07 14:43:24,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=68, PETRI_TRANSITIONS=60} [2024-02-07 14:43:24,079 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -27 predicate places. [2024-02-07 14:43:24,079 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 60 transitions, 130 flow [2024-02-07 14:43:24,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 14:43:24,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:43:24,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:43:24,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:43:24,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-02-07 14:43:24,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:43:24,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2058701551, now seen corresponding path program 1 times [2024-02-07 14:43:24,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:43:24,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72397306] [2024-02-07 14:43:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:43:24,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:43:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:43:24,158 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 14:43:24,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:43:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72397306] [2024-02-07 14:43:24,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72397306] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:43:24,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:43:24,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:43:24,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591082564] [2024-02-07 14:43:24,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:43:24,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 14:43:24,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:43:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 14:43:24,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-07 14:43:24,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 87 [2024-02-07 14:43:24,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 60 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 14:43:24,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:43:24,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 87 [2024-02-07 14:43:24,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:43:29,001 INFO L124 PetriNetUnfolderBase]: 68488/91505 cut-off events. [2024-02-07 14:43:29,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:43:29,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183934 conditions, 91505 events. 68488/91505 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2220. Compared 563962 event pairs, 18027 based on Foata normal form. 1066/72372 useless extension candidates. Maximal degree in co-relation 183930. Up to 75392 conditions per place. [2024-02-07 14:43:29,403 INFO L140 encePairwiseOnDemand]: 82/87 looper letters, 110 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2024-02-07 14:43:29,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 119 transitions, 481 flow [2024-02-07 14:43:29,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 14:43:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 14:43:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 152 transitions. [2024-02-07 14:43:29,405 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4367816091954023 [2024-02-07 14:43:29,405 INFO L175 Difference]: Start difference. First operand has 68 places, 60 transitions, 130 flow. Second operand 4 states and 152 transitions. [2024-02-07 14:43:29,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 119 transitions, 481 flow [2024-02-07 14:43:29,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 119 transitions, 480 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:43:29,407 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 152 flow [2024-02-07 14:43:29,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=152, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-02-07 14:43:29,408 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -23 predicate places. [2024-02-07 14:43:29,408 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 152 flow [2024-02-07 14:43:29,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 14:43:29,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:43:29,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:43:29,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:43:29,409 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-02-07 14:43:29,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:43:29,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1996062001, now seen corresponding path program 1 times [2024-02-07 14:43:29,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:43:29,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195273398] [2024-02-07 14:43:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:43:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:43:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:43:29,443 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 14:43:29,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:43:29,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195273398] [2024-02-07 14:43:29,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195273398] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:43:29,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:43:29,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:43:29,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981673852] [2024-02-07 14:43:29,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:43:29,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:43:29,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:43:29,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:43:29,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:43:29,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 87 [2024-02-07 14:43:29,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 14:43:29,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:43:29,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 87 [2024-02-07 14:43:29,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:43:33,745 INFO L124 PetriNetUnfolderBase]: 57015/76340 cut-off events. [2024-02-07 14:43:33,745 INFO L125 PetriNetUnfolderBase]: For 6620/6620 co-relation queries the response was YES. [2024-02-07 14:43:33,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161959 conditions, 76340 events. 57015/76340 cut-off events. For 6620/6620 co-relation queries the response was YES. Maximal size of possible extension queue 1862. Compared 442540 event pairs, 55419 based on Foata normal form. 0/62015 useless extension candidates. Maximal degree in co-relation 161953. Up to 76298 conditions per place. [2024-02-07 14:43:34,112 INFO L140 encePairwiseOnDemand]: 84/87 looper letters, 54 selfloop transitions, 1 changer transitions 0/60 dead transitions. [2024-02-07 14:43:34,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 60 transitions, 258 flow [2024-02-07 14:43:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:43:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:43:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2024-02-07 14:43:34,114 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31417624521072796 [2024-02-07 14:43:34,114 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 152 flow. Second operand 3 states and 82 transitions. [2024-02-07 14:43:34,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 60 transitions, 258 flow [2024-02-07 14:43:34,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 60 transitions, 255 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:43:34,118 INFO L231 Difference]: Finished difference. Result has 71 places, 60 transitions, 147 flow [2024-02-07 14:43:34,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=71, PETRI_TRANSITIONS=60} [2024-02-07 14:43:34,119 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -24 predicate places. [2024-02-07 14:43:34,119 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 60 transitions, 147 flow [2024-02-07 14:43:34,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 14:43:34,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:43:34,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:43:34,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:43:34,120 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-02-07 14:43:34,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:43:34,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1634778188, now seen corresponding path program 1 times [2024-02-07 14:43:34,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:43:34,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66375130] [2024-02-07 14:43:34,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:43:34,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:43:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:43:34,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:43:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:43:34,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:43:34,170 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:43:34,171 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 69 remaining) [2024-02-07 14:43:34,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 69 remaining) [2024-02-07 14:43:34,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 69 remaining) [2024-02-07 14:43:34,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 69 remaining) [2024-02-07 14:43:34,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 69 remaining) [2024-02-07 14:43:34,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 69 remaining) [2024-02-07 14:43:34,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 69 remaining) [2024-02-07 14:43:34,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 69 remaining) [2024-02-07 14:43:34,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 69 remaining) [2024-02-07 14:43:34,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 69 remaining) [2024-02-07 14:43:34,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 69 remaining) [2024-02-07 14:43:34,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 69 remaining) [2024-02-07 14:43:34,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 69 remaining) [2024-02-07 14:43:34,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 69 remaining) [2024-02-07 14:43:34,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 69 remaining) [2024-02-07 14:43:34,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 69 remaining) [2024-02-07 14:43:34,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 69 remaining) [2024-02-07 14:43:34,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 69 remaining) [2024-02-07 14:43:34,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 69 remaining) [2024-02-07 14:43:34,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 69 remaining) [2024-02-07 14:43:34,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 69 remaining) [2024-02-07 14:43:34,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 69 remaining) [2024-02-07 14:43:34,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 69 remaining) [2024-02-07 14:43:34,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 69 remaining) [2024-02-07 14:43:34,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 69 remaining) [2024-02-07 14:43:34,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 69 remaining) [2024-02-07 14:43:34,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 69 remaining) [2024-02-07 14:43:34,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 69 remaining) [2024-02-07 14:43:34,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 69 remaining) [2024-02-07 14:43:34,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 69 remaining) [2024-02-07 14:43:34,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 69 remaining) [2024-02-07 14:43:34,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 69 remaining) [2024-02-07 14:43:34,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 69 remaining) [2024-02-07 14:43:34,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 69 remaining) [2024-02-07 14:43:34,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 69 remaining) [2024-02-07 14:43:34,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 69 remaining) [2024-02-07 14:43:34,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 69 remaining) [2024-02-07 14:43:34,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 69 remaining) [2024-02-07 14:43:34,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 69 remaining) [2024-02-07 14:43:34,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 69 remaining) [2024-02-07 14:43:34,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 69 remaining) [2024-02-07 14:43:34,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 69 remaining) [2024-02-07 14:43:34,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 69 remaining) [2024-02-07 14:43:34,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 69 remaining) [2024-02-07 14:43:34,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 69 remaining) [2024-02-07 14:43:34,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 69 remaining) [2024-02-07 14:43:34,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 69 remaining) [2024-02-07 14:43:34,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 69 remaining) [2024-02-07 14:43:34,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 69 remaining) [2024-02-07 14:43:34,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 69 remaining) [2024-02-07 14:43:34,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 69 remaining) [2024-02-07 14:43:34,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 69 remaining) [2024-02-07 14:43:34,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 69 remaining) [2024-02-07 14:43:34,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 69 remaining) [2024-02-07 14:43:34,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 69 remaining) [2024-02-07 14:43:34,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 69 remaining) [2024-02-07 14:43:34,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 69 remaining) [2024-02-07 14:43:34,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 69 remaining) [2024-02-07 14:43:34,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 69 remaining) [2024-02-07 14:43:34,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 69 remaining) [2024-02-07 14:43:34,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 69 remaining) [2024-02-07 14:43:34,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 69 remaining) [2024-02-07 14:43:34,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 69 remaining) [2024-02-07 14:43:34,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 69 remaining) [2024-02-07 14:43:34,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 69 remaining) [2024-02-07 14:43:34,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 69 remaining) [2024-02-07 14:43:34,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 69 remaining) [2024-02-07 14:43:34,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 69 remaining) [2024-02-07 14:43:34,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 69 remaining) [2024-02-07 14:43:34,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 14:43:34,200 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-07 14:43:34,205 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:43:34,216 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:43:34,252 INFO L503 ceAbstractionStarter]: Automizer considered 32 witness invariants [2024-02-07 14:43:34,252 INFO L504 ceAbstractionStarter]: WitnessConsidered=32 [2024-02-07 14:43:34,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:43:34 BasicIcfg [2024-02-07 14:43:34,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:43:34,254 INFO L158 Benchmark]: Toolchain (without parser) took 29114.56ms. Allocated memory was 125.8MB in the beginning and 14.8GB in the end (delta: 14.7GB). Free memory was 88.5MB in the beginning and 12.4GB in the end (delta: -12.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-02-07 14:43:34,254 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:43:34,254 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:43:34,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.64ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 69.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-07 14:43:34,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.99ms. Allocated memory is still 125.8MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:43:34,257 INFO L158 Benchmark]: Boogie Preprocessor took 47.25ms. Allocated memory is still 125.8MB. Free memory was 67.5MB in the beginning and 64.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:43:34,257 INFO L158 Benchmark]: RCFGBuilder took 740.76ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 2.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-07 14:43:34,257 INFO L158 Benchmark]: TraceAbstraction took 27972.36ms. Allocated memory was 125.8MB in the beginning and 14.8GB in the end (delta: 14.7GB). Free memory was 62.0MB in the beginning and 12.4GB in the end (delta: -12.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-02-07 14:43:34,258 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 0.18ms. Allocated memory is still 125.8MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.64ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 69.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.99ms. Allocated memory is still 125.8MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.25ms. Allocated memory is still 125.8MB. Free memory was 67.5MB in the beginning and 64.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 740.76ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 2.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 27972.36ms. Allocated memory was 125.8MB in the beginning and 14.8GB in the end (delta: 14.7GB). Free memory was 62.0MB in the beginning and 12.4GB in the end (delta: -12.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 75]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int x1, x2, y1, y2; [L39] 0 _Bool t11, t12, t21, t22, f11, f12, f21, f22; [L134] 0 pthread_t t1, t2, t3, t4; [L136] 0 x1 = __VERIFIER_nondet_uint() [L137] 0 x2 = __VERIFIER_nondet_uint() [L138] 0 y1 = __VERIFIER_nondet_uint() [L139] 0 y2 = __VERIFIER_nondet_uint() [L140] CALL 0 assume_abort_if_not(x1 == x2 && y1 == y2) [L35] COND FALSE 0 !(!cond) [L140] RET 0 assume_abort_if_not(x1 == x2 && y1 == y2) [L143] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [f11=0, f12=0, f21=0, f22=0, t11=0, t12=0, t1={6:0}, t21=0, t22=0, t2={3:0}, t3={5:0}, t4={7:0}, x1=0, x2=0, y1=0, y2=0] [L144] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [f11=0, f12=0, f21=0, f22=0, t11=0, t12=0, t1={6:0}, t21=0, t22=0, t2={3:0}, t3={5:0}, t4={7:0}, x1=0, x2=0, y1=0, y2=0] [L66] 2 t21 = y1 + 1 [L67] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[t21],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t21],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [_argptr={0:0}, _argptr={0:0}, f11=0, f12=0, f21=0, f22=0, t11=0, t12=0, t21=1, t22=0, x1=0, x2=0, y1=0, y2=0] [L69] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[t21],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t21],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L69] 2 y1 = t21 [L70] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IdentifierExpression[y1],IntegerLiteral[1U]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y1],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[y1],IntegerLiteral[1U]]]]]] VAL [_argptr={0:0}, _argptr={0:0}, f11=0, f12=0, f21=0, f22=0, t11=0, t12=0, t21=1, t22=0, x1=0, x2=0, y1=1, y2=0] [L72] 2 f21 = 1 [L73] 2 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[f21],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]] VAL [_argptr={0:0}, _argptr={0:0}, f11=0, f12=0, f21=1, f22=0, t11=0, t12=0, t21=1, t22=0, x1=0, x2=0, y1=1, y2=0] [L75] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[f11],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[f21],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[f21],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [_argptr={0:0}, _argptr={0:0}, f11=0, f12=0, f21=1, f22=0, t11=0, t12=0, t21=1, t22=0, x1=0, x2=0, y1=1, y2=0] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: 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: 67]: 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: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: 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: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: 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: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 153]: 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: 145]: 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: 143]: 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: 144]: 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: 146]: 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: 113]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 127]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 160 locations, 69 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: 27.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 356 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=188occurred in iteration=0, 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, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 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! [2024-02-07 14:43:34,305 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