./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-file-item-subst.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-file-item-subst.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:32:20,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:32:20,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:32:20,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:32:20,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:32:20,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:32:20,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:32:20,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:32:20,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:32:20,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:32:20,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:32:20,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:32:20,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:32:20,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:32:20,123 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:32:20,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:32:20,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:32:20,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:32:20,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:32:20,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:32:20,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:32:20,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:32:20,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:32:20,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:32:20,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:32:20,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:32:20,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:32:20,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:32:20,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:32:20,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:32:20,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:32:20,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:32:20,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:20,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:32:20,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:32:20,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:32:20,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:32:20,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:32:20,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:32:20,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:32:20,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:32:20,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:32:20,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:32:20,129 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:32:20,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:32:20,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:32:20,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:32:20,481 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:32:20,482 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:32:20,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-file-item-subst.wvr.yml/witness.yml [2024-02-05 10:32:20,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:32:20,592 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:32:20,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2024-02-05 10:32:21,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:32:21,807 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:32:21,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2024-02-05 10:32:21,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe4f8bbe/977e0fce04ea4a35bfe7075395337e89/FLAG5d772c919 [2024-02-05 10:32:21,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe4f8bbe/977e0fce04ea4a35bfe7075395337e89 [2024-02-05 10:32:21,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:32:21,834 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:32:21,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:21,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:32:21,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:32:21,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:20" (1/2) ... [2024-02-05 10:32:21,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b446f8a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:21, skipping insertion in model container [2024-02-05 10:32:21,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:20" (1/2) ... [2024-02-05 10:32:21,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c82e12c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:21, skipping insertion in model container [2024-02-05 10:32:21,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:21" (2/2) ... [2024-02-05 10:32:21,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b446f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:21, skipping insertion in model container [2024-02-05 10:32:21,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:21" (2/2) ... [2024-02-05 10:32:21,848 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:32:21,876 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:32:21,877 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-02-05 10:32:21,877 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (((((((((((filename_1 == 0) && (filename_4 == 0)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-02-05 10:32:21,877 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1) [2024-02-05 10:32:21,877 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] (1 <= b) && (b != 0) [2024-02-05 10:32:21,877 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1) [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] (((((((((filename_7 == 0) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L68-L68] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1) [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1)) && (filename_is_null_2 == (_Bool)0 || filename_is_null_2 == (_Bool)1)) && (filename_is_null_5 == (_Bool)0 || filename_is_null_5 == (_Bool)1)) && (filename_is_null_8 == (_Bool)0 || filename_is_null_8 == (_Bool)1) [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] (b <= -1) && (b != 0) [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-02-05 10:32:21,878 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1)) && (filename_is_null_2 == (_Bool)0 || filename_is_null_2 == (_Bool)1) [2024-02-05 10:32:21,879 INFO L101 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-02-05 10:32:21,879 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1)) && (filename_is_null_2 == (_Bool)0 || filename_is_null_2 == (_Bool)1)) && (filename_is_null_5 == (_Bool)0 || filename_is_null_5 == (_Bool)1) [2024-02-05 10:32:21,879 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] ((((((((((filename_4 == 0) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-02-05 10:32:21,910 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:32:22,080 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c[3054,3067] [2024-02-05 10:32:22,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:22,094 INFO L204 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 [2024-02-05 10:32:22,188 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c[3054,3067] Start Parsing Local Start Parsing Local [2024-02-05 10:32:22,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:22,217 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:32:22,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22 WrapperNode [2024-02-05 10:32:22,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:22,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:22,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:32:22,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:32:22,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,277 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 227 [2024-02-05 10:32:22,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:22,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:32:22,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:32:22,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:32:22,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,315 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-05 10:32:22,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:32:22,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:32:22,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:32:22,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:32:22,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (1/1) ... [2024-02-05 10:32:22,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:22,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:32:22,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:32:22,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:32:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:32:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:32:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:32:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:32:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-05 10:32:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:32:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:32:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:32:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:32:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:32:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:32:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-05 10:32:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:32:22,463 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:32:22,557 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:32:22,558 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:32:22,885 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:32:22,885 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:32:23,076 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:32:23,077 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:32:23,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:23 BoogieIcfgContainer [2024-02-05 10:32:23,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:32:23,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:32:23,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:32:23,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:32:23,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:20" (1/4) ... [2024-02-05 10:32:23,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf3b62d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:23, skipping insertion in model container [2024-02-05 10:32:23,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:32:21" (2/4) ... [2024-02-05 10:32:23,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf3b62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:32:23, skipping insertion in model container [2024-02-05 10:32:23,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:22" (3/4) ... [2024-02-05 10:32:23,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf3b62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:32:23, skipping insertion in model container [2024-02-05 10:32:23,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:23" (4/4) ... [2024-02-05 10:32:23,086 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2024-02-05 10:32:23,100 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:32:23,101 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-02-05 10:32:23,101 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:32:23,173 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-05 10:32:23,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 211 flow [2024-02-05 10:32:23,270 INFO L124 PetriNetUnfolderBase]: 12/92 cut-off events. [2024-02-05 10:32:23,271 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-05 10:32:23,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 92 events. 12/92 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 237 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-02-05 10:32:23,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 211 flow [2024-02-05 10:32:23,278 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 91 transitions, 200 flow [2024-02-05 10:32:23,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:32:23,296 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;@73a888b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:32:23,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-02-05 10:32:23,299 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:32:23,299 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:32:23,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:32:23,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:23,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:32:23,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:23,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:23,305 INFO L85 PathProgramCache]: Analyzing trace with hash 20752, now seen corresponding path program 1 times [2024-02-05 10:32:23,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:23,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103923401] [2024-02-05 10:32:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:23,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:23,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:23,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103923401] [2024-02-05 10:32:23,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103923401] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:23,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:23,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:23,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36748391] [2024-02-05 10:32:23,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:23,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:23,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:23,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:23,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:23,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 95 [2024-02-05 10:32:23,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 91 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:23,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:23,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 95 [2024-02-05 10:32:23,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:24,594 INFO L124 PetriNetUnfolderBase]: 4477/7214 cut-off events. [2024-02-05 10:32:24,594 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-02-05 10:32:24,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13662 conditions, 7214 events. 4477/7214 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56728 event pairs, 3768 based on Foata normal form. 0/6164 useless extension candidates. Maximal degree in co-relation 12464. Up to 6170 conditions per place. [2024-02-05 10:32:24,640 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 57 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-02-05 10:32:24,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 316 flow [2024-02-05 10:32:24,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-02-05 10:32:24,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5684210526315789 [2024-02-05 10:32:24,653 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 200 flow. Second operand 3 states and 162 transitions. [2024-02-05 10:32:24,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 316 flow [2024-02-05 10:32:24,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 304 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-05 10:32:24,672 INFO L231 Difference]: Finished difference. Result has 84 places, 90 transitions, 190 flow [2024-02-05 10:32:24,674 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=84, PETRI_TRANSITIONS=90} [2024-02-05 10:32:24,676 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -5 predicate places. [2024-02-05 10:32:24,676 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 190 flow [2024-02-05 10:32:24,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:24,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:24,677 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:32:24,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:32:24,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:24,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:24,678 INFO L85 PathProgramCache]: Analyzing trace with hash 644024, now seen corresponding path program 1 times [2024-02-05 10:32:24,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:24,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074765463] [2024-02-05 10:32:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:24,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:24,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074765463] [2024-02-05 10:32:24,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074765463] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:24,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:24,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:32:24,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768386377] [2024-02-05 10:32:24,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:24,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:32:24,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:24,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:32:24,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:32:24,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 95 [2024-02-05 10:32:24,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 90 transitions, 190 flow. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:24,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:24,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 95 [2024-02-05 10:32:24,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:25,451 INFO L124 PetriNetUnfolderBase]: 4477/7213 cut-off events. [2024-02-05 10:32:25,456 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-02-05 10:32:25,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13478 conditions, 7213 events. 4477/7213 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56691 event pairs, 3768 based on Foata normal form. 0/6164 useless extension candidates. Maximal degree in co-relation 13469. Up to 6168 conditions per place. [2024-02-05 10:32:25,500 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 56 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-02-05 10:32:25,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 304 flow [2024-02-05 10:32:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-02-05 10:32:25,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5754385964912281 [2024-02-05 10:32:25,506 INFO L175 Difference]: Start difference. First operand has 84 places, 90 transitions, 190 flow. Second operand 3 states and 164 transitions. [2024-02-05 10:32:25,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 304 flow [2024-02-05 10:32:25,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:25,509 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 188 flow [2024-02-05 10:32:25,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=83, PETRI_TRANSITIONS=89} [2024-02-05 10:32:25,510 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-02-05 10:32:25,510 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 188 flow [2024-02-05 10:32:25,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:25,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:25,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-05 10:32:25,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:32:25,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:25,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:25,512 INFO L85 PathProgramCache]: Analyzing trace with hash 19965407, now seen corresponding path program 1 times [2024-02-05 10:32:25,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:25,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828462564] [2024-02-05 10:32:25,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:25,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:25,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828462564] [2024-02-05 10:32:25,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828462564] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:25,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:25,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:32:25,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281237532] [2024-02-05 10:32:25,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:25,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:32:25,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:25,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:32:25,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:32:25,748 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 95 [2024-02-05 10:32:25,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 89 transitions, 188 flow. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:25,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:25,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 95 [2024-02-05 10:32:25,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:26,324 INFO L124 PetriNetUnfolderBase]: 4477/7212 cut-off events. [2024-02-05 10:32:26,324 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-02-05 10:32:26,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13476 conditions, 7212 events. 4477/7212 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56793 event pairs, 3768 based on Foata normal form. 0/6164 useless extension candidates. Maximal degree in co-relation 13465. Up to 6166 conditions per place. [2024-02-05 10:32:26,361 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 55 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-02-05 10:32:26,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 88 transitions, 300 flow [2024-02-05 10:32:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-02-05 10:32:26,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5824561403508772 [2024-02-05 10:32:26,363 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 188 flow. Second operand 3 states and 166 transitions. [2024-02-05 10:32:26,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 88 transitions, 300 flow [2024-02-05 10:32:26,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:26,365 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 186 flow [2024-02-05 10:32:26,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=82, PETRI_TRANSITIONS=88} [2024-02-05 10:32:26,365 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -7 predicate places. [2024-02-05 10:32:26,366 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 186 flow [2024-02-05 10:32:26,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:26,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:26,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:32:26,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:32:26,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:26,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:26,367 INFO L85 PathProgramCache]: Analyzing trace with hash 618928299, now seen corresponding path program 1 times [2024-02-05 10:32:26,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:26,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269832311] [2024-02-05 10:32:26,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:26,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269832311] [2024-02-05 10:32:26,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269832311] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:26,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:26,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:32:26,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004631691] [2024-02-05 10:32:26,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:26,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:32:26,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:26,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:32:26,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:32:26,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 95 [2024-02-05 10:32:26,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 88 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:26,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:26,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 95 [2024-02-05 10:32:26,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:27,034 INFO L124 PetriNetUnfolderBase]: 4459/7223 cut-off events. [2024-02-05 10:32:27,034 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-02-05 10:32:27,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13486 conditions, 7223 events. 4459/7223 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 57939 event pairs, 1790 based on Foata normal form. 0/6242 useless extension candidates. Maximal degree in co-relation 13473. Up to 3427 conditions per place. [2024-02-05 10:32:27,084 INFO L140 encePairwiseOnDemand]: 89/95 looper letters, 80 selfloop transitions, 5 changer transitions 0/116 dead transitions. [2024-02-05 10:32:27,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 116 transitions, 414 flow [2024-02-05 10:32:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:32:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:32:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 234 transitions. [2024-02-05 10:32:27,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6157894736842106 [2024-02-05 10:32:27,086 INFO L175 Difference]: Start difference. First operand has 82 places, 88 transitions, 186 flow. Second operand 4 states and 234 transitions. [2024-02-05 10:32:27,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 116 transitions, 414 flow [2024-02-05 10:32:27,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 116 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:27,088 INFO L231 Difference]: Finished difference. Result has 83 places, 90 transitions, 206 flow [2024-02-05 10:32:27,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=83, PETRI_TRANSITIONS=90} [2024-02-05 10:32:27,089 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-02-05 10:32:27,089 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 90 transitions, 206 flow [2024-02-05 10:32:27,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:27,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:27,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:32:27,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:32:27,090 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:27,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:27,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2006908778, now seen corresponding path program 1 times [2024-02-05 10:32:27,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:27,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898085797] [2024-02-05 10:32:27,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:27,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:27,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:32:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:27,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:32:27,120 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:32:27,121 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 32 remaining) [2024-02-05 10:32:27,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 32 remaining) [2024-02-05 10:32:27,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 32 remaining) [2024-02-05 10:32:27,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 32 remaining) [2024-02-05 10:32:27,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 32 remaining) [2024-02-05 10:32:27,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 32 remaining) [2024-02-05 10:32:27,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 32 remaining) [2024-02-05 10:32:27,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 32 remaining) [2024-02-05 10:32:27,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 32 remaining) [2024-02-05 10:32:27,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 32 remaining) [2024-02-05 10:32:27,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 32 remaining) [2024-02-05 10:32:27,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 32 remaining) [2024-02-05 10:32:27,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 32 remaining) [2024-02-05 10:32:27,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 32 remaining) [2024-02-05 10:32:27,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 32 remaining) [2024-02-05 10:32:27,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 32 remaining) [2024-02-05 10:32:27,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 32 remaining) [2024-02-05 10:32:27,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 32 remaining) [2024-02-05 10:32:27,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 32 remaining) [2024-02-05 10:32:27,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-02-05 10:32:27,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2024-02-05 10:32:27,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2024-02-05 10:32:27,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 32 remaining) [2024-02-05 10:32:27,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 32 remaining) [2024-02-05 10:32:27,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 32 remaining) [2024-02-05 10:32:27,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 32 remaining) [2024-02-05 10:32:27,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 32 remaining) [2024-02-05 10:32:27,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 32 remaining) [2024-02-05 10:32:27,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 32 remaining) [2024-02-05 10:32:27,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 32 remaining) [2024-02-05 10:32:27,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 32 remaining) [2024-02-05 10:32:27,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 32 remaining) [2024-02-05 10:32:27,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-05 10:32:27,128 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-05 10:32:27,133 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:32:27,133 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:32:27,148 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-02-05 10:32:27,148 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-02-05 10:32:27,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:32:27 BasicIcfg [2024-02-05 10:32:27,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:32:27,149 INFO L158 Benchmark]: Toolchain (without parser) took 5315.90ms. Allocated memory was 201.3MB in the beginning and 834.7MB in the end (delta: 633.3MB). Free memory was 171.4MB in the beginning and 362.8MB in the end (delta: -191.4MB). Peak memory consumption was 441.0MB. Max. memory is 16.1GB. [2024-02-05 10:32:27,150 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:27,150 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:27,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.67ms. Allocated memory is still 201.3MB. Free memory was 171.4MB in the beginning and 152.7MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-05 10:32:27,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.54ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 149.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:27,151 INFO L158 Benchmark]: Boogie Preprocessor took 59.02ms. Allocated memory is still 201.3MB. Free memory was 149.5MB in the beginning and 146.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-05 10:32:27,151 INFO L158 Benchmark]: RCFGBuilder took 737.37ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 99.5MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:27,151 INFO L158 Benchmark]: TraceAbstraction took 4070.18ms. Allocated memory was 201.3MB in the beginning and 834.7MB in the end (delta: 633.3MB). Free memory was 99.5MB in the beginning and 362.8MB in the end (delta: -263.3MB). Peak memory consumption was 371.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:27,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.67ms. Allocated memory is still 201.3MB. Free memory was 171.4MB in the beginning and 152.7MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.54ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 149.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.02ms. Allocated memory is still 201.3MB. Free memory was 149.5MB in the beginning and 146.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 737.37ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 99.5MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4070.18ms. Allocated memory was 201.3MB in the beginning and 834.7MB in the end (delta: 633.3MB). Free memory was 99.5MB in the beginning and 362.8MB in the end (delta: -263.3MB). Peak memory consumption was 371.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 68]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int filename_1, filename_4, filename_7, result_9, result_10, result_11; [L39] _Bool is_null_0, is_null_3, is_null_6, filename_is_null_2, filename_is_null_5, filename_is_null_8; [L62] pthread_t t1, t2, t3; VAL [filename_1=0, filename_4=0, filename_7=0, filename_is_null_2=0, filename_is_null_5=0, filename_is_null_8=0, is_null_0=0, is_null_3=0, is_null_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[filename_1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[filename_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L64] filename_1 = __VERIFIER_nondet_int() [L65] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[filename_4],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L65] filename_4 = __VERIFIER_nondet_int() [L66] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L66] filename_7 = __VERIFIER_nondet_int() [L67] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L67] is_null_0 = __VERIFIER_nondet_bool() [L68] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [filename_1=0, filename_4=0, filename_7=0, filename_is_null_2=0, filename_is_null_5=0, filename_is_null_8=0, is_null_0=2, is_null_3=0, is_null_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: 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: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 76]: 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: 77]: 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: 75]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 135 locations, 32 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: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 7 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 0.8s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-05 10:32:27,193 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