./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i --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/28-race_reach_06-cond_racing1.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_06-cond_racing1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-3d25acf-m [2024-01-30 14:40:30,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:40:30,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:40:30,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:40:30,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:40:30,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:40:30,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:40:30,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:40:30,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:40:30,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:40:30,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:40:30,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:40:30,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:40:30,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:40:30,503 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:40:30,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:40:30,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:40:30,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:40:30,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:40:30,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:40:30,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:40:30,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:40:30,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:40:30,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:40:30,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:40:30,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:40:30,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:40:30,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:40:30,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:40:30,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:40:30,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:40:30,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:40:30,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:40:30,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:40:30,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:40:30,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:40:30,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:40:30,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:40:30,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:40:30,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:40:30,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:40:30,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:40:30,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:40:30,510 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:40:30,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:40:30,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:40:30,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:40:30,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:40:30,754 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:40:30,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2024-01-30 14:40:31,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:40:32,024 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:40:32,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2024-01-30 14:40:32,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85acd432c/e88f20da45fa4b4b9e7484ade23766f4/FLAG692c805eb [2024-01-30 14:40:32,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85acd432c/e88f20da45fa4b4b9e7484ade23766f4 [2024-01-30 14:40:32,059 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:40:32,059 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:40:32,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_06-cond_racing1.yml/witness.yml [2024-01-30 14:40:32,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:40:32,174 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:40:32,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:40:32,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:40:32,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:40:32,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:40:32" (1/2) ... [2024-01-30 14:40:32,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ca1341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:40:32, skipping insertion in model container [2024-01-30 14:40:32,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:40:32" (1/2) ... [2024-01-30 14:40:32,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f29c514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:40:32, skipping insertion in model container [2024-01-30 14:40:32,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:40:32" (2/2) ... [2024-01-30 14:40:32,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ca1341 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32, skipping insertion in model container [2024-01-30 14:40:32,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:40:32" (2/2) ... [2024-01-30 14:40:32,185 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:40:32,239 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:40:32,240 INFO L98 nessWitnessExtractor]: Location invariant before [L952-L952] (i == 10000) && (((((((((((((((((((((((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Loop invariant at [L952-L952] (i == 10000) && (((((((((((((((((((((((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Loop invariant at [L949-L949] (i == 10000) && (i != 0) [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] (((((((((0 <= global) && (i == 10000)) && (i != 0)) && (i == 10000)) && (i != 0)) && (i == 10000)) && (i == 0 || i != 0)) && (0 <= global)) && (i == 10000)) && (i != 0) [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Location invariant before [L947-L947] ((i == 10000) && (i != 0)) && (i == 10000) [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] (unsigned long )arg == 0UL [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Location invariant before [L946-L946] i == 10000 [2024-01-30 14:40:32,241 INFO L98 nessWitnessExtractor]: Location invariant before [L928-L928] ((0 <= global) && (0 <= global)) && (0 <= global) [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Location invariant before [L948-L948] (i == 10000) && (i == 0 || i != 0) [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((((((((((((0 <= global) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL)) && (0 <= global)) && ((unsigned long )arg == 0UL)) && (0 <= global)) && (global <= 2147483646)) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Loop invariant at [L939-L939] (((0 <= global) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] global == 0 [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Location invariant before [L950-L950] (i == 10000) && (i == 0 || i != 0) [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Location invariant before [L938-L938] (unsigned long )arg == 0UL [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Location invariant before [L945-L945] ((((((((((((((((((((((((i == 19 || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20 [2024-01-30 14:40:32,242 INFO L98 nessWitnessExtractor]: Loop invariant at [L945-L945] ((((((((((((((((((((((((i == 19 || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20 [2024-01-30 14:40:32,243 INFO L98 nessWitnessExtractor]: Location invariant before [L940-L940] ((0 <= global) && (global <= 2147483646)) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:32,243 INFO L98 nessWitnessExtractor]: Loop invariant at [L945-L945] ((((((((((((((((((((((((i == 19 || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20 [2024-01-30 14:40:32,243 INFO L98 nessWitnessExtractor]: Location invariant before [L945-L945] ((((((((((((((((((((((((i == 19 || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20 [2024-01-30 14:40:32,243 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] (((i == 10000) && (i != 0)) && (i == 10000)) && (i == 0 || i != 0) [2024-01-30 14:40:32,243 INFO L98 nessWitnessExtractor]: Location invariant before [L953-L953] (i == 10000) && (i == 10000) [2024-01-30 14:40:32,243 INFO L98 nessWitnessExtractor]: Location invariant before [L944-L944] global == 0 [2024-01-30 14:40:32,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:40:32,613 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41322,41335] [2024-01-30 14:40:32,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:40:32,644 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:40:32,651 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned long long int __u_quad_t; with a witness entry [2024-01-30 14:40:32,669 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41322,41335] [2024-01-30 14:40:32,669 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:40:32,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:40:32,799 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:40:32,800 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32 WrapperNode [2024-01-30 14:40:32,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:40:32,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:40:32,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:40:32,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:40:32,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,864 INFO L138 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-01-30 14:40:32,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:40:32,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:40:32,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:40:32,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:40:32,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,886 INFO L175 MemorySlicer]: Split 19 memory accesses to 5 slices as follows [2, 5, 5, 5, 2]. 26 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 0, 1]. [2024-01-30 14:40:32,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:40:32,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:40:32,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:40:32,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:40:32,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (1/1) ... [2024-01-30 14:40:32,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:40:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:40:32,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:40:32,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:40:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:40:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:40:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-30 14:40:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:40:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:40:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:40:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-30 14:40:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-30 14:40:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:40:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-30 14:40:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-30 14:40:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:40:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:40:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:40:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:40:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-30 14:40:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:40:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:40:32,982 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:40:33,128 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:40:33,131 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:40:33,434 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:40:33,434 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:40:33,529 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:40:33,529 INFO L320 CfgBuilder]: Removed 10 assume(true) statements. [2024-01-30 14:40:33,529 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:40:33 BoogieIcfgContainer [2024-01-30 14:40:33,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:40:33,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:40:33,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:40:33,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:40:33,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:40:32" (1/4) ... [2024-01-30 14:40:33,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594fd7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:40:33, skipping insertion in model container [2024-01-30 14:40:33,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:40:32" (2/4) ... [2024-01-30 14:40:33,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594fd7d7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:40:33, skipping insertion in model container [2024-01-30 14:40:33,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:32" (3/4) ... [2024-01-30 14:40:33,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594fd7d7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:40:33, skipping insertion in model container [2024-01-30 14:40:33,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:40:33" (4/4) ... [2024-01-30 14:40:33,536 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2024-01-30 14:40:33,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:40:33,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-01-30 14:40:33,550 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:40:33,585 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-30 14:40:33,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 93 transitions, 193 flow [2024-01-30 14:40:33,659 INFO L124 PetriNetUnfolderBase]: 19/137 cut-off events. [2024-01-30 14:40:33,659 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-30 14:40:33,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 137 events. 19/137 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 510 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 80. Up to 6 conditions per place. [2024-01-30 14:40:33,663 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 93 transitions, 193 flow [2024-01-30 14:40:33,667 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 93 transitions, 193 flow [2024-01-30 14:40:33,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:40:33,679 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;@637620b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:40:33,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-01-30 14:40:33,683 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:40:33,684 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:40:33,685 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:40:33,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:40:33,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:40:33,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 25 more)] === [2024-01-30 14:40:33,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:40:33,690 INFO L85 PathProgramCache]: Analyzing trace with hash 12709, now seen corresponding path program 1 times [2024-01-30 14:40:33,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:40:33,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114484615] [2024-01-30 14:40:33,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:40:33,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:40:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:40:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:40:33,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:40:33,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114484615] [2024-01-30 14:40:33,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114484615] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:40:33,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:40:33,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:40:33,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981252599] [2024-01-30 14:40:33,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:40:33,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:40:33,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:40:33,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:40:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:40:33,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 93 [2024-01-30 14:40:33,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 93 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:40:33,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:40:33,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 93 [2024-01-30 14:40:33,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:40:34,040 INFO L124 PetriNetUnfolderBase]: 19/129 cut-off events. [2024-01-30 14:40:34,040 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:40:34,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 129 events. 19/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 513 event pairs, 10 based on Foata normal form. 19/116 useless extension candidates. Maximal degree in co-relation 121. Up to 50 conditions per place. [2024-01-30 14:40:34,042 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 16 selfloop transitions, 1 changer transitions 0/49 dead transitions. [2024-01-30 14:40:34,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 49 transitions, 136 flow [2024-01-30 14:40:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:40:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:40:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2024-01-30 14:40:34,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6093189964157706 [2024-01-30 14:40:34,053 INFO L175 Difference]: Start difference. First operand has 83 places, 93 transitions, 193 flow. Second operand 3 states and 170 transitions. [2024-01-30 14:40:34,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 49 transitions, 136 flow [2024-01-30 14:40:34,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 136 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:40:34,056 INFO L231 Difference]: Finished difference. Result has 51 places, 49 transitions, 104 flow [2024-01-30 14:40:34,058 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=49} [2024-01-30 14:40:34,060 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -32 predicate places. [2024-01-30 14:40:34,060 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 49 transitions, 104 flow [2024-01-30 14:40:34,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:40:34,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:40:34,061 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:40:34,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:40:34,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 25 more)] === [2024-01-30 14:40:34,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:40:34,063 INFO L85 PathProgramCache]: Analyzing trace with hash 394379, now seen corresponding path program 1 times [2024-01-30 14:40:34,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:40:34,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636122307] [2024-01-30 14:40:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:40:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:40:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:40:34,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:40:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:40:34,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:40:34,135 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:40:34,138 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 28 remaining) [2024-01-30 14:40:34,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 28 remaining) [2024-01-30 14:40:34,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 28 remaining) [2024-01-30 14:40:34,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 28 remaining) [2024-01-30 14:40:34,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 28 remaining) [2024-01-30 14:40:34,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 28 remaining) [2024-01-30 14:40:34,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 28 remaining) [2024-01-30 14:40:34,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 28 remaining) [2024-01-30 14:40:34,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 28 remaining) [2024-01-30 14:40:34,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 28 remaining) [2024-01-30 14:40:34,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (17 of 28 remaining) [2024-01-30 14:40:34,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 28 remaining) [2024-01-30 14:40:34,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 28 remaining) [2024-01-30 14:40:34,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 28 remaining) [2024-01-30 14:40:34,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 28 remaining) [2024-01-30 14:40:34,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 28 remaining) [2024-01-30 14:40:34,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 28 remaining) [2024-01-30 14:40:34,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 28 remaining) [2024-01-30 14:40:34,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 28 remaining) [2024-01-30 14:40:34,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 28 remaining) [2024-01-30 14:40:34,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 28 remaining) [2024-01-30 14:40:34,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 28 remaining) [2024-01-30 14:40:34,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 28 remaining) [2024-01-30 14:40:34,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 28 remaining) [2024-01-30 14:40:34,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 28 remaining) [2024-01-30 14:40:34,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 28 remaining) [2024-01-30 14:40:34,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 28 remaining) [2024-01-30 14:40:34,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 28 remaining) [2024-01-30 14:40:34,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:40:34,152 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:40:34,158 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:40:34,158 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:40:34,173 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-01-30 14:40:34,173 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-01-30 14:40:34,174 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:40:34 BasicIcfg [2024-01-30 14:40:34,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:40:34,176 INFO L158 Benchmark]: Toolchain (without parser) took 2000.37ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 66.3MB in the beginning and 134.8MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:40:34,177 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:40:34,177 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:40:34,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.75ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 66.2MB in the beginning and 139.5MB in the end (delta: -73.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-01-30 14:40:34,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.48ms. Allocated memory is still 197.1MB. Free memory was 139.5MB in the beginning and 136.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:40:34,180 INFO L158 Benchmark]: Boogie Preprocessor took 38.90ms. Allocated memory is still 197.1MB. Free memory was 136.4MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-30 14:40:34,180 INFO L158 Benchmark]: RCFGBuilder took 624.77ms. Allocated memory is still 197.1MB. Free memory was 133.2MB in the beginning and 88.1MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-01-30 14:40:34,180 INFO L158 Benchmark]: TraceAbstraction took 643.42ms. Allocated memory is still 197.1MB. Free memory was 88.1MB in the beginning and 134.8MB in the end (delta: -46.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:40:34,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.75ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 66.2MB in the beginning and 139.5MB in the end (delta: -73.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.48ms. Allocated memory is still 197.1MB. Free memory was 139.5MB in the beginning and 136.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.90ms. Allocated memory is still 197.1MB. Free memory was 136.4MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 624.77ms. Allocated memory is still 197.1MB. Free memory was 133.2MB in the beginning and 88.1MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 643.42ms. Allocated memory is still 197.1MB. Free memory was 88.1MB in the beginning and 134.8MB in the end (delta: -46.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 945]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L934] int global = 0; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L944] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] [L944] int i = __VERIFIER_nondet_int(); [L945] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[19]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[18]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[17]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[16]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[15]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[14]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[13]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[12]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[11]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[10]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[9]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[8]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[7]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[6]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[1]]],BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[25],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[9999]]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[24]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[23]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[22]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[21]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[20]]]]] VAL [__global_lock={3:0}, global=0, i=-1, mutex1={4:0}, mutex2={5:0}] - UnprovableResult [Line: 944]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 945]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 947]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 948]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 950]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 951]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 928]: 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: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 953]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 945]: 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: 938]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: 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 3 procedures, 111 locations, 28 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-30 14:40:34,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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