./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe002_power.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe002_power.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:51:16,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:51:16,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:51:16,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:51:16,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:51:16,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:51:16,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:51:16,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:51:16,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:51:16,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:51:16,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:51:16,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:51:16,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:51:16,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:51:16,898 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:51:16,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:51:16,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:51:16,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:51:16,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:51:16,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:51:16,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:51:16,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:51:16,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:51:16,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:51:16,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:51:16,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:51:16,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:51:16,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:51:16,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:51:16,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:51:16,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:51:16,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:51:16,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:51:16,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:51:16,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:51:16,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:51:16,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:51:16,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:51:16,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:51:16,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:51:16,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:51:16,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:51:16,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:51:16,907 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:51:17,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:51:17,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:51:17,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:51:17,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:51:17,229 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:51:17,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i [2024-02-07 14:51:18,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:51:18,768 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:51:18,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i [2024-02-07 14:51:18,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a91c4bb9/9892c283b1554c9396a5b01b5c76d9cd/FLAG87df7604a [2024-02-07 14:51:18,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a91c4bb9/9892c283b1554c9396a5b01b5c76d9cd [2024-02-07 14:51:18,799 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:51:18,800 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:51:18,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe002_power.oepc.yml/witness.yml [2024-02-07 14:51:18,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:51:18,949 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:51:18,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:51:18,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:51:18,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:51:18,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:51:18" (1/2) ... [2024-02-07 14:51:18,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4543fe9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:18, skipping insertion in model container [2024-02-07 14:51:18,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:51:18" (1/2) ... [2024-02-07 14:51:18,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d014e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:18, skipping insertion in model container [2024-02-07 14:51:18,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:18" (2/2) ... [2024-02-07 14:51:18,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4543fe9a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:18, skipping insertion in model container [2024-02-07 14:51:18,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:18" (2/2) ... [2024-02-07 14:51:18,961 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:51:19,128 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:51:19,129 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] 1 <= __unbuffered_cnt [2024-02-07 14:51:19,129 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] y$flush_delayed == (_Bool)0 [2024-02-07 14:51:19,130 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (((0 <= y$mem_tmp) && (y$mem_tmp <= 2)) && (y$mem_tmp <= 127)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-02-07 14:51:19,130 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:19,130 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 1 <= __unbuffered_cnt [2024-02-07 14:51:19,130 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] 0 <= __unbuffered_cnt [2024-02-07 14:51:19,130 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:19,130 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:51:19,131 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((0 <= __unbuffered_p0_EBX) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1) [2024-02-07 14:51:19,131 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,131 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:51:19,131 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:19,131 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] ((((0LL - (long long )y$w_buff0_used) + (long long )y$w_buff1_used >= 0LL) && ((long long )y$w_buff0_used + (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) [2024-02-07 14:51:19,132 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((((((0 <= y) && (0 <= *__unbuffered_p0_EAX$read_delayed_var)) && (y <= 2)) && (y <= 127)) && (*__unbuffered_p0_EAX$read_delayed_var <= 2)) && (*__unbuffered_p0_EAX$read_delayed_var <= 127)) && (__unbuffered_p0_EAX$read_delayed_var == & y)) && ((y == 0 || y == 1) || y == 2)) && ((*__unbuffered_p0_EAX$read_delayed_var == 0 || *__unbuffered_p0_EAX$read_delayed_var == 1) || *__unbuffered_p0_EAX$read_delayed_var == 2) [2024-02-07 14:51:19,132 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:19,132 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,132 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:19,132 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] 0 <= __unbuffered_cnt [2024-02-07 14:51:19,132 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:19,133 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:19,133 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] 0 <= __unbuffered_cnt [2024-02-07 14:51:19,133 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:51:19,134 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] y$flush_delayed == (_Bool)0 [2024-02-07 14:51:19,134 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:51:19,134 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:19,134 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,134 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:19,135 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] 1 <= __unbuffered_cnt [2024-02-07 14:51:19,135 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:19,135 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:19,135 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] y == 1 [2024-02-07 14:51:19,135 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:19,135 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:51:19,136 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:51:19,136 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] y == 2 [2024-02-07 14:51:19,136 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 14:51:19,136 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:51:19,137 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$r_buff1_thd3 == (_Bool)0)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,138 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,138 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] x == 1 [2024-02-07 14:51:19,139 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:51:19,139 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,139 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:51:19,139 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (y == 2)) && ((__unbuffered_p0_EAX == 2 && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) || (((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p0_EBX) && __unbuffered_p0_EAX <= 2) && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)))) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 14:51:19,139 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 0 <= __unbuffered_cnt [2024-02-07 14:51:19,140 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] ((y$r_buff0_thd3 == (_Bool)0 || y$w_buff0_used == (_Bool)0) || y$r_buff0_thd3 == (_Bool)0) || (y$w_buff1_used == (_Bool)0 && (weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1)) [2024-02-07 14:51:19,140 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:19,140 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] y$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:51:19,140 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] y$flush_delayed == (_Bool)0 [2024-02-07 14:51:19,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:51:19,404 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i[995,1008] [2024-02-07 14:51:19,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:51:19,699 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:51:19,736 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i[995,1008] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:51:19,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:51:19,881 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:51:19,882 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19 WrapperNode [2024-02-07 14:51:19,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:51:19,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:51:19,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:51:19,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:51:19,891 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 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:19,910 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 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:19,944 INFO L138 Inliner]: procedures = 176, calls = 141, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 224 [2024-02-07 14:51:19,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:51:19,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:51:19,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:51:19,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:51:19,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:19,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:19,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,023 INFO L175 MemorySlicer]: Split 92 memory accesses to 5 slices as follows [2, 87, 1, 1, 1]. 95 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0, 0, 0]. The 14 writes are split as follows [0, 11, 1, 1, 1]. [2024-02-07 14:51:20,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:51:20,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:51:20,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:51:20,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:51:20,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (1/1) ... [2024-02-07 14:51:20,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:51:20,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:51:20,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:51:20,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:51:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:51:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:51:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:51:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:51:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:51:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:51:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:51:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:51:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:51:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:51:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:51:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:51:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:51:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:51:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:51:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:51:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:51:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:51:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:51:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:51:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:51:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:51:20,217 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:51:20,413 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:51:20,414 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:51:21,106 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:51:21,107 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:51:22,043 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:51:22,048 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:51:22,048 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:51:22 BoogieIcfgContainer [2024-02-07 14:51:22,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:51:22,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:51:22,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:51:22,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:51:22,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:51:18" (1/4) ... [2024-02-07 14:51:22,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5495cfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:51:22, skipping insertion in model container [2024-02-07 14:51:22,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:18" (2/4) ... [2024-02-07 14:51:22,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5495cfa1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:51:22, skipping insertion in model container [2024-02-07 14:51:22,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:19" (3/4) ... [2024-02-07 14:51:22,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5495cfa1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:51:22, skipping insertion in model container [2024-02-07 14:51:22,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:51:22" (4/4) ... [2024-02-07 14:51:22,057 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_power.oepc.i [2024-02-07 14:51:22,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:51:22,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-02-07 14:51:22,075 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:51:22,256 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:51:22,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 91 transitions, 194 flow [2024-02-07 14:51:22,393 INFO L124 PetriNetUnfolderBase]: 1/88 cut-off events. [2024-02-07 14:51:22,394 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:22,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 1/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 365 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2024-02-07 14:51:22,398 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 91 transitions, 194 flow [2024-02-07 14:51:22,402 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 88 transitions, 185 flow [2024-02-07 14:51:22,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:51:22,417 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;@5c3ae5d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:51:22,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-02-07 14:51:22,420 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:51:22,421 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:51:22,421 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:22,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:22,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:51:22,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-07 14:51:22,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:22,427 INFO L85 PathProgramCache]: Analyzing trace with hash 44615, now seen corresponding path program 1 times [2024-02-07 14:51:22,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:22,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664302616] [2024-02-07 14:51:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:22,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:51:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:51:22,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:51:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664302616] [2024-02-07 14:51:22,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664302616] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:51:22,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:51:22,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:51:22,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769984898] [2024-02-07 14:51:22,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:51:22,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:51:22,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:51:22,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:51:22,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:51:22,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 91 [2024-02-07 14:51:22,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 88 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:51:22,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:51:22,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 91 [2024-02-07 14:51:22,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:51:32,580 INFO L124 PetriNetUnfolderBase]: 42059/63539 cut-off events. [2024-02-07 14:51:32,580 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-02-07 14:51:32,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121843 conditions, 63539 events. 42059/63539 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 3498. Compared 530779 event pairs, 42059 based on Foata normal form. 792/34106 useless extension candidates. Maximal degree in co-relation 121830. Up to 58099 conditions per place. [2024-02-07 14:51:33,017 INFO L140 encePairwiseOnDemand]: 64/91 looper letters, 48 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2024-02-07 14:51:33,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 62 transitions, 231 flow [2024-02-07 14:51:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:51:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:51:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-02-07 14:51:33,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45054945054945056 [2024-02-07 14:51:33,040 INFO L175 Difference]: Start difference. First operand has 97 places, 88 transitions, 185 flow. Second operand 3 states and 123 transitions. [2024-02-07 14:51:33,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 62 transitions, 231 flow [2024-02-07 14:51:33,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 62 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:51:33,051 INFO L231 Difference]: Finished difference. Result has 71 places, 62 transitions, 132 flow [2024-02-07 14:51:33,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=71, PETRI_TRANSITIONS=62} [2024-02-07 14:51:33,058 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -26 predicate places. [2024-02-07 14:51:33,058 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 62 transitions, 132 flow [2024-02-07 14:51:33,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:51:33,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:33,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:51:33,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:51:33,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-07 14:51:33,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:33,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1330617087, now seen corresponding path program 1 times [2024-02-07 14:51:33,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:33,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280800440] [2024-02-07 14:51:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:51:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:51:33,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:51:33,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280800440] [2024-02-07 14:51:33,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280800440] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:51:33,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:51:33,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:51:33,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168231397] [2024-02-07 14:51:33,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:51:33,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:51:33,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:51:33,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:51:33,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:51:33,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 91 [2024-02-07 14:51:33,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 62 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:51:33,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:51:33,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 91 [2024-02-07 14:51:33,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:51:40,555 INFO L124 PetriNetUnfolderBase]: 38103/57627 cut-off events. [2024-02-07 14:51:40,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:40,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110498 conditions, 57627 events. 38103/57627 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3199. Compared 476326 event pairs, 38103 based on Foata normal form. 0/30813 useless extension candidates. Maximal degree in co-relation 110492. Up to 52685 conditions per place. [2024-02-07 14:51:40,882 INFO L140 encePairwiseOnDemand]: 89/91 looper letters, 47 selfloop transitions, 1 changer transitions 0/61 dead transitions. [2024-02-07 14:51:40,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 61 transitions, 226 flow [2024-02-07 14:51:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:51:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:51:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2024-02-07 14:51:40,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3663003663003663 [2024-02-07 14:51:40,884 INFO L175 Difference]: Start difference. First operand has 71 places, 62 transitions, 132 flow. Second operand 3 states and 100 transitions. [2024-02-07 14:51:40,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 61 transitions, 226 flow [2024-02-07 14:51:40,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 225 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:51:40,886 INFO L231 Difference]: Finished difference. Result has 71 places, 61 transitions, 131 flow [2024-02-07 14:51:40,886 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2024-02-07 14:51:40,887 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -26 predicate places. [2024-02-07 14:51:40,887 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 131 flow [2024-02-07 14:51:40,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:51:40,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:40,888 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:51:40,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:51:40,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-07 14:51:40,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:40,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1330617083, now seen corresponding path program 1 times [2024-02-07 14:51:40,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:40,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232329364] [2024-02-07 14:51:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:51:40,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:51:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:51:40,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:51:40,929 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:51:40,930 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 86 remaining) [2024-02-07 14:51:40,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 86 remaining) [2024-02-07 14:51:40,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 86 remaining) [2024-02-07 14:51:40,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 86 remaining) [2024-02-07 14:51:40,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 86 remaining) [2024-02-07 14:51:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 86 remaining) [2024-02-07 14:51:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 86 remaining) [2024-02-07 14:51:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 86 remaining) [2024-02-07 14:51:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 86 remaining) [2024-02-07 14:51:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 86 remaining) [2024-02-07 14:51:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 86 remaining) [2024-02-07 14:51:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 86 remaining) [2024-02-07 14:51:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 86 remaining) [2024-02-07 14:51:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 86 remaining) [2024-02-07 14:51:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 86 remaining) [2024-02-07 14:51:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 86 remaining) [2024-02-07 14:51:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 86 remaining) [2024-02-07 14:51:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 86 remaining) [2024-02-07 14:51:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 86 remaining) [2024-02-07 14:51:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 86 remaining) [2024-02-07 14:51:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 86 remaining) [2024-02-07 14:51:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 86 remaining) [2024-02-07 14:51:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 86 remaining) [2024-02-07 14:51:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 86 remaining) [2024-02-07 14:51:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 86 remaining) [2024-02-07 14:51:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 86 remaining) [2024-02-07 14:51:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 86 remaining) [2024-02-07 14:51:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 86 remaining) [2024-02-07 14:51:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 86 remaining) [2024-02-07 14:51:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 86 remaining) [2024-02-07 14:51:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 86 remaining) [2024-02-07 14:51:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 86 remaining) [2024-02-07 14:51:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 86 remaining) [2024-02-07 14:51:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 86 remaining) [2024-02-07 14:51:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 86 remaining) [2024-02-07 14:51:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 86 remaining) [2024-02-07 14:51:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 86 remaining) [2024-02-07 14:51:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 86 remaining) [2024-02-07 14:51:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 86 remaining) [2024-02-07 14:51:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 86 remaining) [2024-02-07 14:51:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 86 remaining) [2024-02-07 14:51:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 86 remaining) [2024-02-07 14:51:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 86 remaining) [2024-02-07 14:51:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 86 remaining) [2024-02-07 14:51:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 86 remaining) [2024-02-07 14:51:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 86 remaining) [2024-02-07 14:51:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 86 remaining) [2024-02-07 14:51:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 86 remaining) [2024-02-07 14:51:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 86 remaining) [2024-02-07 14:51:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 86 remaining) [2024-02-07 14:51:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (35 of 86 remaining) [2024-02-07 14:51:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 86 remaining) [2024-02-07 14:51:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 86 remaining) [2024-02-07 14:51:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 86 remaining) [2024-02-07 14:51:40,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 86 remaining) [2024-02-07 14:51:40,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 86 remaining) [2024-02-07 14:51:40,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 86 remaining) [2024-02-07 14:51:40,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 86 remaining) [2024-02-07 14:51:40,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 86 remaining) [2024-02-07 14:51:40,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 86 remaining) [2024-02-07 14:51:40,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 86 remaining) [2024-02-07 14:51:40,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 86 remaining) [2024-02-07 14:51:40,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 86 remaining) [2024-02-07 14:51:40,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 86 remaining) [2024-02-07 14:51:40,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 86 remaining) [2024-02-07 14:51:40,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 86 remaining) [2024-02-07 14:51:40,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 86 remaining) [2024-02-07 14:51:40,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 86 remaining) [2024-02-07 14:51:40,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 86 remaining) [2024-02-07 14:51:40,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 86 remaining) [2024-02-07 14:51:40,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 86 remaining) [2024-02-07 14:51:40,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 86 remaining) [2024-02-07 14:51:40,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 86 remaining) [2024-02-07 14:51:40,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 86 remaining) [2024-02-07 14:51:40,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 86 remaining) [2024-02-07 14:51:40,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 86 remaining) [2024-02-07 14:51:40,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 86 remaining) [2024-02-07 14:51:40,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 86 remaining) [2024-02-07 14:51:40,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 86 remaining) [2024-02-07 14:51:40,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 86 remaining) [2024-02-07 14:51:40,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 86 remaining) [2024-02-07 14:51:40,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 86 remaining) [2024-02-07 14:51:40,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 86 remaining) [2024-02-07 14:51:40,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 86 remaining) [2024-02-07 14:51:40,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 86 remaining) [2024-02-07 14:51:40,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 86 remaining) [2024-02-07 14:51:40,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:51:40,949 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-02-07 14:51:40,955 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:51:40,956 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:51:41,002 INFO L503 ceAbstractionStarter]: Automizer considered 49 witness invariants [2024-02-07 14:51:41,002 INFO L504 ceAbstractionStarter]: WitnessConsidered=49 [2024-02-07 14:51:41,004 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:51:41 BasicIcfg [2024-02-07 14:51:41,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:51:41,005 INFO L158 Benchmark]: Toolchain (without parser) took 22056.03ms. Allocated memory was 169.9MB in the beginning and 9.1GB in the end (delta: 8.9GB). Free memory was 107.4MB in the beginning and 8.0GB in the end (delta: -7.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-02-07 14:51:41,005 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:51:41,008 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 113.2MB in the end (delta: 386.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:51:41,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 932.18ms. Allocated memory is still 169.9MB. Free memory was 107.4MB in the beginning and 53.6MB in the end (delta: 53.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-02-07 14:51:41,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.49ms. Allocated memory is still 169.9MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:51:41,008 INFO L158 Benchmark]: Boogie Preprocessor took 172.45ms. Allocated memory is still 169.9MB. Free memory was 50.4MB in the beginning and 134.6MB in the end (delta: -84.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-02-07 14:51:41,009 INFO L158 Benchmark]: RCFGBuilder took 1929.83ms. Allocated memory was 169.9MB in the beginning and 264.2MB in the end (delta: 94.4MB). Free memory was 134.6MB in the beginning and 128.9MB in the end (delta: 5.7MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. [2024-02-07 14:51:41,009 INFO L158 Benchmark]: TraceAbstraction took 18953.33ms. Allocated memory was 264.2MB in the beginning and 9.1GB in the end (delta: 8.8GB). Free memory was 127.8MB in the beginning and 8.0GB in the end (delta: -7.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-02-07 14:51:41,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 113.2MB in the end (delta: 386.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 932.18ms. Allocated memory is still 169.9MB. Free memory was 107.4MB in the beginning and 53.6MB in the end (delta: 53.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.49ms. Allocated memory is still 169.9MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.45ms. Allocated memory is still 169.9MB. Free memory was 50.4MB in the beginning and 134.6MB in the end (delta: -84.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1929.83ms. Allocated memory was 169.9MB in the beginning and 264.2MB in the end (delta: 94.4MB). Free memory was 134.6MB in the beginning and 128.9MB in the end (delta: 5.7MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. * TraceAbstraction took 18953.33ms. Allocated memory was 264.2MB in the beginning and 9.1GB in the end (delta: 8.8GB). Free memory was 127.8MB in the beginning and 8.0GB in the end (delta: -7.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 762]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L738] 0 int y = 0; [L739] 0 _Bool y$flush_delayed; [L740] 0 int y$mem_tmp; [L741] 0 _Bool y$r_buff0_thd0; [L742] 0 _Bool y$r_buff0_thd1; [L743] 0 _Bool y$r_buff0_thd2; [L744] 0 _Bool y$r_buff0_thd3; [L745] 0 _Bool y$r_buff1_thd0; [L746] 0 _Bool y$r_buff1_thd1; [L747] 0 _Bool y$r_buff1_thd2; [L748] 0 _Bool y$r_buff1_thd3; [L749] 0 _Bool y$read_delayed; [L750] 0 int *y$read_delayed_var; [L751] 0 int y$w_buff0; [L752] 0 _Bool y$w_buff0_used; [L753] 0 int y$w_buff1; [L754] 0 _Bool y$w_buff1_used; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L853] 0 pthread_t t1825; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1825={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y={3:0}] [L854] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff1_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff1_used]]],IntegerLiteral[0LL]]]]] [L854] FCALL, FORK 0 pthread_create(&t1825, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1825={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y={3:0}] [L761] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y={3:0}] - UnprovableResult [Line: 763]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 764]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 873]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 886]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 888]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: 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: 854]: 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: 856]: 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: 858]: 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, 150 locations, 86 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: 18.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 1 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:51:41,060 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