./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/bench-exp2x4.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/bench-exp2x4.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 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/bench-exp2x4.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/bench-exp2x4.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-2755261-m [2024-01-26 15:19:44,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:19:44,903 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:19:44,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:19:44,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:19:44,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:19:44,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:19:44,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:19:44,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:19:44,922 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:19:44,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:19:44,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:19:44,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:19:44,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:19:44,923 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:19:44,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:19:44,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:19:44,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:19:44,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:19:44,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:19:44,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:19:44,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:19:44,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:19:44,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:19:44,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:19:44,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:19:44,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:19:44,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:19:44,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:19:44,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:19:44,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:19:44,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:19:44,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:19:44,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:19:44,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:19:44,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:19:44,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:19:44,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:19:44,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:19:44,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:19:44,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:19:44,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:19:44,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:19:44,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:19:45,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:19:45,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:19:45,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:19:45,114 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:19:45,115 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:19:45,116 INFO L431 ainManager$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/bench-exp2x4.wvr.yml/witness.yml [2024-01-26 15:19:45,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:19:45,240 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:19:45,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2024-01-26 15:19:46,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:19:46,476 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:19:46,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2024-01-26 15:19:46,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1629fa7c/c06113bc58b44b0babd1422e0fd4e11e/FLAGbb2000c91 [2024-01-26 15:19:46,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1629fa7c/c06113bc58b44b0babd1422e0fd4e11e [2024-01-26 15:19:46,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:19:46,501 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:19:46,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:19:46,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:19:46,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:19:46,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:19:45" (1/2) ... [2024-01-26 15:19:46,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9583e2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:46, skipping insertion in model container [2024-01-26 15:19:46,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:19:45" (1/2) ... [2024-01-26 15:19:46,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57ac4541 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:46, skipping insertion in model container [2024-01-26 15:19:46,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:19:46" (2/2) ... [2024-01-26 15:19:46,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9583e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46, skipping insertion in model container [2024-01-26 15:19:46,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:19:46" (2/2) ... [2024-01-26 15:19:46,512 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:19:46,535 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:19:46,536 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,536 INFO L98 nessWitnessExtractor]: Loop invariant at [L56-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,536 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,536 INFO L98 nessWitnessExtractor]: Location invariant before [L40-L40] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,536 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] x2 == 0U [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] n == 0U [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] x3 == 0U [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (0LL - (long long )x1) + (long long )x3 >= 0LL [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (long long )x1 + (long long )x3 >= 0LL [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] x1 == 0U [2024-01-26 15:19:46,537 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] x4 == 0U [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (0LL - (long long )x1) - (long long )x3 >= 0LL [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (long long )x1 - (long long )x3 >= 0LL [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Loop invariant at [L65-L68] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] n == 0U [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] x2 == 0U [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] n == 0U [2024-01-26 15:19:46,538 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] x3 == 0U [2024-01-26 15:19:46,539 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] x4 == 0U [2024-01-26 15:19:46,539 INFO L98 nessWitnessExtractor]: Location invariant before [L39-L39] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,539 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,539 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,539 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] n == 0U [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] x4 == 0U [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] n == 0U [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Loop invariant at [L38-L41] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] n == 0U [2024-01-26 15:19:46,540 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] x3 == 0U [2024-01-26 15:19:46,541 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] x4 == 0U [2024-01-26 15:19:46,541 INFO L98 nessWitnessExtractor]: Loop invariant at [L47-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:19:46,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:19:46,730 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/bench-exp2x4.wvr.c[2361,2374] [2024-01-26 15:19:46,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:19:46,748 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 Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:19:46,797 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/bench-exp2x4.wvr.c[2361,2374] [2024-01-26 15:19:46,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:19:46,809 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:19:46,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46 WrapperNode [2024-01-26 15:19:46,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:19:46,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:19:46,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:19:46,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:19:46,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,840 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2024-01-26 15:19:46,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:19:46,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:19:46,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:19:46,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:19:46,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,934 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]. [2024-01-26 15:19:46,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:19:46,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:19:46,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:19:46,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:19:46,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (1/1) ... [2024-01-26 15:19:46,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:19:46,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:19:46,987 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) [2024-01-26 15:19:47,005 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 [2024-01-26 15:19:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:19:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:19:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:19:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:19:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:19:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:19:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:19:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:19:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:19:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:19:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:19:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:19:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:19:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:19:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:19:47,031 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:19:47,141 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:19:47,143 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:19:47,480 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:19:47,480 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:19:47,573 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:19:47,573 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-26 15:19:47,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:19:47 BoogieIcfgContainer [2024-01-26 15:19:47,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:19:47,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:19:47,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:19:47,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:19:47,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:19:45" (1/4) ... [2024-01-26 15:19:47,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a870be and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:19:47, skipping insertion in model container [2024-01-26 15:19:47,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:19:46" (2/4) ... [2024-01-26 15:19:47,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a870be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:19:47, skipping insertion in model container [2024-01-26 15:19:47,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:46" (3/4) ... [2024-01-26 15:19:47,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a870be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:19:47, skipping insertion in model container [2024-01-26 15:19:47,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:19:47" (4/4) ... [2024-01-26 15:19:47,582 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2024-01-26 15:19:47,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:19:47,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-01-26 15:19:47,596 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:19:47,670 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 15:19:47,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 115 transitions, 258 flow [2024-01-26 15:19:47,742 INFO L124 PetriNetUnfolderBase]: 4/111 cut-off events. [2024-01-26 15:19:47,744 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-26 15:19:47,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 111 events. 4/111 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 261 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2024-01-26 15:19:47,749 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 115 transitions, 258 flow [2024-01-26 15:19:47,753 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 110 transitions, 244 flow [2024-01-26 15:19:47,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:19:47,766 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;@29de1213, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:19:47,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2024-01-26 15:19:47,768 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:19:47,769 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:19:47,769 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:19:47,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:47,770 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:19:47,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:47,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:47,776 INFO L85 PathProgramCache]: Analyzing trace with hash 13165, now seen corresponding path program 1 times [2024-01-26 15:19:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:47,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195278214] [2024-01-26 15:19:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:47,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:47,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195278214] [2024-01-26 15:19:47,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195278214] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:47,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:47,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:19:47,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703657708] [2024-01-26 15:19:47,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:47,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:19:48,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:48,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:19:48,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:19:48,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 115 [2024-01-26 15:19:48,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 110 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2024-01-26 15:19:48,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:48,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 115 [2024-01-26 15:19:48,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:49,345 INFO L124 PetriNetUnfolderBase]: 7378/11958 cut-off events. [2024-01-26 15:19:49,345 INFO L125 PetriNetUnfolderBase]: For 437/437 co-relation queries the response was YES. [2024-01-26 15:19:49,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21628 conditions, 11958 events. 7378/11958 cut-off events. For 437/437 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 88758 event pairs, 4752 based on Foata normal form. 6/10369 useless extension candidates. Maximal degree in co-relation 18732. Up to 9196 conditions per place. [2024-01-26 15:19:49,462 INFO L140 encePairwiseOnDemand]: 107/115 looper letters, 38 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-01-26 15:19:49,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 104 transitions, 312 flow [2024-01-26 15:19:49,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:19:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:19:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2024-01-26 15:19:49,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7246376811594203 [2024-01-26 15:19:49,478 INFO L175 Difference]: Start difference. First operand has 119 places, 110 transitions, 244 flow. Second operand 3 states and 250 transitions. [2024-01-26 15:19:49,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 104 transitions, 312 flow [2024-01-26 15:19:49,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 104 transitions, 296 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-01-26 15:19:49,500 INFO L231 Difference]: Finished difference. Result has 107 places, 104 transitions, 220 flow [2024-01-26 15:19:49,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=107, PETRI_TRANSITIONS=104} [2024-01-26 15:19:49,505 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -12 predicate places. [2024-01-26 15:19:49,505 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 104 transitions, 220 flow [2024-01-26 15:19:49,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2024-01-26 15:19:49,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:49,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-26 15:19:49,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 15:19:49,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:49,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash 12666193, now seen corresponding path program 1 times [2024-01-26 15:19:49,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:49,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834638100] [2024-01-26 15:19:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:49,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:49,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834638100] [2024-01-26 15:19:49,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834638100] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:49,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:49,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:19:49,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037192991] [2024-01-26 15:19:49,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:49,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:19:49,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:49,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:19:49,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:19:49,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 115 [2024-01-26 15:19:49,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 104 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2024-01-26 15:19:49,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:49,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 115 [2024-01-26 15:19:49,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:50,722 INFO L124 PetriNetUnfolderBase]: 7378/11954 cut-off events. [2024-01-26 15:19:50,722 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-01-26 15:19:50,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21309 conditions, 11954 events. 7378/11954 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 88797 event pairs, 4752 based on Foata normal form. 3/10363 useless extension candidates. Maximal degree in co-relation 21290. Up to 9191 conditions per place. [2024-01-26 15:19:50,781 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 36 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-01-26 15:19:50,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 100 transitions, 288 flow [2024-01-26 15:19:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:19:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:19:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2024-01-26 15:19:50,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7391304347826086 [2024-01-26 15:19:50,784 INFO L175 Difference]: Start difference. First operand has 107 places, 104 transitions, 220 flow. Second operand 3 states and 255 transitions. [2024-01-26 15:19:50,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 100 transitions, 288 flow [2024-01-26 15:19:50,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:19:50,786 INFO L231 Difference]: Finished difference. Result has 103 places, 100 transitions, 212 flow [2024-01-26 15:19:50,787 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=103, PETRI_TRANSITIONS=100} [2024-01-26 15:19:50,787 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-01-26 15:19:50,787 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 100 transitions, 212 flow [2024-01-26 15:19:50,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2024-01-26 15:19:50,788 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:50,788 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:50,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 15:19:50,788 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:50,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:50,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1330171356, now seen corresponding path program 1 times [2024-01-26 15:19:50,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:50,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744988884] [2024-01-26 15:19:50,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:50,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:50,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:50,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744988884] [2024-01-26 15:19:50,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744988884] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:50,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:50,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:19:50,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032328059] [2024-01-26 15:19:50,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:50,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:19:50,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:50,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:19:50,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:19:50,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 115 [2024-01-26 15:19:50,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 100 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2024-01-26 15:19:50,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:50,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 115 [2024-01-26 15:19:50,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:52,254 INFO L124 PetriNetUnfolderBase]: 16101/23679 cut-off events. [2024-01-26 15:19:52,254 INFO L125 PetriNetUnfolderBase]: For 172/172 co-relation queries the response was YES. [2024-01-26 15:19:52,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44153 conditions, 23679 events. 16101/23679 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 1420. Compared 165438 event pairs, 11277 based on Foata normal form. 3/16586 useless extension candidates. Maximal degree in co-relation 44120. Up to 20163 conditions per place. [2024-01-26 15:19:52,392 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 41 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2024-01-26 15:19:52,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 288 flow [2024-01-26 15:19:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:19:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:19:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2024-01-26 15:19:52,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7043478260869566 [2024-01-26 15:19:52,395 INFO L175 Difference]: Start difference. First operand has 103 places, 100 transitions, 212 flow. Second operand 3 states and 243 transitions. [2024-01-26 15:19:52,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 288 flow [2024-01-26 15:19:52,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:19:52,399 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 202 flow [2024-01-26 15:19:52,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2024-01-26 15:19:52,400 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -21 predicate places. [2024-01-26 15:19:52,400 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 202 flow [2024-01-26 15:19:52,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2024-01-26 15:19:52,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:52,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:52,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 15:19:52,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:52,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1714361371, now seen corresponding path program 1 times [2024-01-26 15:19:52,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:52,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928780050] [2024-01-26 15:19:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:52,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:52,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:52,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928780050] [2024-01-26 15:19:52,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928780050] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:52,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:52,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:19:52,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529183631] [2024-01-26 15:19:52,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:52,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:19:52,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:52,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:19:52,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:19:52,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 115 [2024-01-26 15:19:52,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2024-01-26 15:19:52,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:52,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 115 [2024-01-26 15:19:52,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:53,334 INFO L124 PetriNetUnfolderBase]: 7378/11947 cut-off events. [2024-01-26 15:19:53,334 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2024-01-26 15:19:53,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21302 conditions, 11947 events. 7378/11947 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 88780 event pairs, 4752 based on Foata normal form. 0/10356 useless extension candidates. Maximal degree in co-relation 21269. Up to 9193 conditions per place. [2024-01-26 15:19:53,397 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 36 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2024-01-26 15:19:53,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 93 transitions, 274 flow [2024-01-26 15:19:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:19:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:19:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2024-01-26 15:19:53,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7507246376811594 [2024-01-26 15:19:53,401 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 202 flow. Second operand 3 states and 259 transitions. [2024-01-26 15:19:53,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 93 transitions, 274 flow [2024-01-26 15:19:53,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 93 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:19:53,408 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 198 flow [2024-01-26 15:19:53,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-01-26 15:19:53,409 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -23 predicate places. [2024-01-26 15:19:53,409 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 198 flow [2024-01-26 15:19:53,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2024-01-26 15:19:53,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:53,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:53,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 15:19:53,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:53,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1766151115, now seen corresponding path program 1 times [2024-01-26 15:19:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:53,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824504899] [2024-01-26 15:19:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:53,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:53,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824504899] [2024-01-26 15:19:53,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824504899] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:53,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:53,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:19:53,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463824094] [2024-01-26 15:19:53,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:53,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:19:53,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:53,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:19:53,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:19:53,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2024-01-26 15:19:53,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2024-01-26 15:19:53,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:53,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2024-01-26 15:19:53,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:54,219 INFO L124 PetriNetUnfolderBase]: 7378/11945 cut-off events. [2024-01-26 15:19:54,219 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-01-26 15:19:54,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21304 conditions, 11945 events. 7378/11945 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 88584 event pairs, 4752 based on Foata normal form. 0/10356 useless extension candidates. Maximal degree in co-relation 21279. Up to 9192 conditions per place. [2024-01-26 15:19:54,284 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 40 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2024-01-26 15:19:54,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 91 transitions, 278 flow [2024-01-26 15:19:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:19:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:19:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2024-01-26 15:19:54,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7101449275362319 [2024-01-26 15:19:54,286 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 198 flow. Second operand 3 states and 245 transitions. [2024-01-26 15:19:54,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 91 transitions, 278 flow [2024-01-26 15:19:54,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:19:54,288 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 194 flow [2024-01-26 15:19:54,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-01-26 15:19:54,290 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -25 predicate places. [2024-01-26 15:19:54,290 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 194 flow [2024-01-26 15:19:54,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2024-01-26 15:19:54,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:54,291 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:54,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 15:19:54,291 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:54,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:54,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2050178760, now seen corresponding path program 1 times [2024-01-26 15:19:54,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:54,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959545707] [2024-01-26 15:19:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:54,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:54,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:54,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959545707] [2024-01-26 15:19:54,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959545707] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:54,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:54,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:19:54,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450835094] [2024-01-26 15:19:54,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:54,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:19:54,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:54,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:19:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:19:54,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 115 [2024-01-26 15:19:54,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 71.25) internal successors, (285), 4 states have internal predecessors, (285), 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) [2024-01-26 15:19:54,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:54,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 115 [2024-01-26 15:19:54,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:55,366 INFO L124 PetriNetUnfolderBase]: 8278/13594 cut-off events. [2024-01-26 15:19:55,366 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-01-26 15:19:55,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24233 conditions, 13594 events. 8278/13594 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 103236 event pairs, 4388 based on Foata normal form. 936/13593 useless extension candidates. Maximal degree in co-relation 24207. Up to 9247 conditions per place. [2024-01-26 15:19:55,446 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 56 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-01-26 15:19:55,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 341 flow [2024-01-26 15:19:55,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:19:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:19:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 339 transitions. [2024-01-26 15:19:55,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7369565217391304 [2024-01-26 15:19:55,448 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 194 flow. Second operand 4 states and 339 transitions. [2024-01-26 15:19:55,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 341 flow [2024-01-26 15:19:55,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 337 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:19:55,451 INFO L231 Difference]: Finished difference. Result has 90 places, 86 transitions, 184 flow [2024-01-26 15:19:55,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=90, PETRI_TRANSITIONS=86} [2024-01-26 15:19:55,454 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -29 predicate places. [2024-01-26 15:19:55,454 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 86 transitions, 184 flow [2024-01-26 15:19:55,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.25) internal successors, (285), 4 states have internal predecessors, (285), 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) [2024-01-26 15:19:55,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:55,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:55,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 15:19:55,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:55,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:55,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1170749059, now seen corresponding path program 1 times [2024-01-26 15:19:55,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:55,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108680129] [2024-01-26 15:19:55,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:55,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:55,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:55,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108680129] [2024-01-26 15:19:55,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108680129] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:55,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:55,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:19:55,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033486266] [2024-01-26 15:19:55,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:55,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:19:55,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:55,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:19:55,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:19:55,579 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 115 [2024-01-26 15:19:55,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 86 transitions, 184 flow. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 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) [2024-01-26 15:19:55,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:55,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 115 [2024-01-26 15:19:55,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:19:56,530 INFO L124 PetriNetUnfolderBase]: 8398/13839 cut-off events. [2024-01-26 15:19:56,531 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2024-01-26 15:19:56,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24613 conditions, 13839 events. 8398/13839 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 865. Compared 105129 event pairs, 2764 based on Foata normal form. 720/13683 useless extension candidates. Maximal degree in co-relation 24578. Up to 9209 conditions per place. [2024-01-26 15:19:56,587 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 60 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-01-26 15:19:56,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 104 transitions, 347 flow [2024-01-26 15:19:56,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:19:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:19:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 343 transitions. [2024-01-26 15:19:56,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7456521739130435 [2024-01-26 15:19:56,589 INFO L175 Difference]: Start difference. First operand has 90 places, 86 transitions, 184 flow. Second operand 4 states and 343 transitions. [2024-01-26 15:19:56,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 104 transitions, 347 flow [2024-01-26 15:19:56,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 104 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:19:56,591 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 175 flow [2024-01-26 15:19:56,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=175, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2024-01-26 15:19:56,591 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -33 predicate places. [2024-01-26 15:19:56,591 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 175 flow [2024-01-26 15:19:56,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 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) [2024-01-26 15:19:56,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:56,592 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:56,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 15:19:56,592 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (and 63 more)] === [2024-01-26 15:19:56,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:56,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1853980624, now seen corresponding path program 1 times [2024-01-26 15:19:56,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:56,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190217118] [2024-01-26 15:19:56,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:19:56,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 15:19:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:19:56,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 15:19:56,629 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 15:19:56,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 66 remaining) [2024-01-26 15:19:56,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 66 remaining) [2024-01-26 15:19:56,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 66 remaining) [2024-01-26 15:19:56,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 66 remaining) [2024-01-26 15:19:56,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 66 remaining) [2024-01-26 15:19:56,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 66 remaining) [2024-01-26 15:19:56,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 66 remaining) [2024-01-26 15:19:56,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 66 remaining) [2024-01-26 15:19:56,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 66 remaining) [2024-01-26 15:19:56,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 66 remaining) [2024-01-26 15:19:56,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 66 remaining) [2024-01-26 15:19:56,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 66 remaining) [2024-01-26 15:19:56,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 66 remaining) [2024-01-26 15:19:56,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 66 remaining) [2024-01-26 15:19:56,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 66 remaining) [2024-01-26 15:19:56,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 66 remaining) [2024-01-26 15:19:56,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 66 remaining) [2024-01-26 15:19:56,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 66 remaining) [2024-01-26 15:19:56,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 66 remaining) [2024-01-26 15:19:56,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 66 remaining) [2024-01-26 15:19:56,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 66 remaining) [2024-01-26 15:19:56,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 66 remaining) [2024-01-26 15:19:56,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (29 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 66 remaining) [2024-01-26 15:19:56,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 66 remaining) [2024-01-26 15:19:56,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 66 remaining) [2024-01-26 15:19:56,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 66 remaining) [2024-01-26 15:19:56,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 66 remaining) [2024-01-26 15:19:56,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 66 remaining) [2024-01-26 15:19:56,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 66 remaining) [2024-01-26 15:19:56,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 66 remaining) [2024-01-26 15:19:56,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 66 remaining) [2024-01-26 15:19:56,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 66 remaining) [2024-01-26 15:19:56,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 66 remaining) [2024-01-26 15:19:56,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 66 remaining) [2024-01-26 15:19:56,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 66 remaining) [2024-01-26 15:19:56,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 66 remaining) [2024-01-26 15:19:56,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 66 remaining) [2024-01-26 15:19:56,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 66 remaining) [2024-01-26 15:19:56,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 66 remaining) [2024-01-26 15:19:56,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 66 remaining) [2024-01-26 15:19:56,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 66 remaining) [2024-01-26 15:19:56,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-26 15:19:56,646 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:19:56,651 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 15:19:56,651 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 15:19:56,691 INFO L503 ceAbstractionStarter]: Automizer considered 40 witness invariants [2024-01-26 15:19:56,692 INFO L504 ceAbstractionStarter]: WitnessConsidered=40 [2024-01-26 15:19:56,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 03:19:56 BasicIcfg [2024-01-26 15:19:56,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 15:19:56,693 INFO L158 Benchmark]: Toolchain (without parser) took 10192.28ms. Allocated memory was 153.1MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 80.6MB in the beginning and 6.8GB in the end (delta: -6.8GB). Peak memory consumption was 567.5MB. Max. memory is 16.1GB. [2024-01-26 15:19:56,693 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 97.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:19:56,693 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 126.5MB in the beginning and 126.3MB in the end (delta: 230.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:19:56,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.08ms. Allocated memory is still 153.1MB. Free memory was 80.3MB in the beginning and 63.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-26 15:19:56,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.36ms. Allocated memory is still 153.1MB. Free memory was 63.7MB in the beginning and 61.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-26 15:19:56,695 INFO L158 Benchmark]: Boogie Preprocessor took 121.08ms. Allocated memory is still 153.1MB. Free memory was 61.7MB in the beginning and 123.7MB in the end (delta: -62.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-01-26 15:19:56,695 INFO L158 Benchmark]: RCFGBuilder took 611.25ms. Allocated memory is still 153.1MB. Free memory was 123.7MB in the beginning and 87.4MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-01-26 15:19:56,695 INFO L158 Benchmark]: TraceAbstraction took 9116.99ms. Allocated memory was 153.1MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 86.0MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 572.2MB. Max. memory is 16.1GB. [2024-01-26 15:19:56,697 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 113.2MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 97.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 126.5MB in the beginning and 126.3MB in the end (delta: 230.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.08ms. Allocated memory is still 153.1MB. Free memory was 80.3MB in the beginning and 63.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.36ms. Allocated memory is still 153.1MB. Free memory was 63.7MB in the beginning and 61.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.08ms. Allocated memory is still 153.1MB. Free memory was 61.7MB in the beginning and 123.7MB in the end (delta: -62.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 611.25ms. Allocated memory is still 153.1MB. Free memory was 123.7MB in the beginning and 87.4MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9116.99ms. Allocated memory was 153.1MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 86.0MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 572.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L35] 0 unsigned int x1, x2, x3, x4, n; [L74] 0 pthread_t t1, t2, t3, t4; VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[x1]],CastExpression[ACSLType[long long],IdentifierExpression[x3]]],IntegerLiteral[0LL]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[x1]]],CastExpression[ACSLType[long long],IdentifierExpression[x3]]],IntegerLiteral[0LL]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x4],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x1],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[x1]],CastExpression[ACSLType[long long],IdentifierExpression[x3]]],IntegerLiteral[0LL]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[x1]]],CastExpression[ACSLType[long long],IdentifierExpression[x3]]],IntegerLiteral[0LL]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x3],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[n],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=0, x2=0, x3=0, x4=0] [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x2],IntegerLiteral[0U]]]] [L77] 0 x1 = __VERIFIER_nondet_uint() [L78] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x4],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x2=0, x3=0, x4=0] [L78] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x3],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x2=0, x3=0, x4=0] [L78] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[n],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x2=0, x3=0, x4=0] [L78] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x2],IntegerLiteral[0U]]]] [L78] 0 x2 = __VERIFIER_nondet_uint() [L79] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x4],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x3=0, x4=0] [L79] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x3],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x3=0, x4=0] [L79] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[n],IntegerLiteral[0U]]]] [L79] 0 x3 = __VERIFIER_nondet_uint() [L80] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[n],IntegerLiteral[0U]]]] VAL [n=0, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x4=0] [L80] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x4],IntegerLiteral[0U]]]] [L80] 0 x4 = __VERIFIER_nondet_uint() [L81] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[n],IntegerLiteral[0U]]]] [L81] 0 n = __VERIFIER_nondet_uint() [L84] CALL 0 assume_abort_if_not( x1 == x2 && x1 > 0 && x3 == x4 && x3 > 0 ) [L32] COND FALSE 0 !(!cond) [L84] RET 0 assume_abort_if_not( x1 == x2 && x1 > 0 && x3 == x4 && x3 > 0 ) [L86] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [_argptr={0:0}, t1={5:0}, t2={3:0}, t3={6:0}, t4={7:0}, x1=1, x2=1, x3=1, x4=1] [L38] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, x1=1, x2=1, x3=1, x4=1] [L38] COND FALSE 1 !(x1 < n) VAL [_argptr={0:0}, _argptr={0:0}, n=1, x1=1, x2=1, x3=1, x4=1] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, n=1, x1=1, x2=1, x3=1, x4=1] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[n],IntegerLiteral[0U]]]] VAL [_argptr={0:0}, _argptr={0:0}, n=1, x1=1, x2=1, x3=1, x4=1] - UnprovableResult [Line: 38]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 39]: 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: 40]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 38]: 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: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: 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: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: 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: 58]: 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: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: 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: 79]: 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: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: 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: 96]: 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: 88]: 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: 86]: 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: 87]: 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. - 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: 70]: 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: 65]: 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, 170 locations, 66 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: 9.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 641 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 23 mSDtfsCounter, 641 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2024-01-26 15:19:56,738 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