./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe000_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/safe000_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/safe000_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe000_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 14:51:08,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:51:08,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:51:08,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:51:08,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:51:08,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:51:08,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:51:08,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:51:08,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:51:08,640 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:51:08,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:51:08,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:51:08,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:51:08,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:51:08,643 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:51:08,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:51:08,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:51:08,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:51:08,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:51:08,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:51:08,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:51:08,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:51:08,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:51:08,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:51:08,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:51:08,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:51:08,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:51:08,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:51:08,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:51:08,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:51:08,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:51:08,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:51:08,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:51:08,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:51:08,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:51:08,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:51:08,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:51:08,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:51:08,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:51:08,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:51:08,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:51:08,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:51:08,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:51:08,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:51:08,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:51:08,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:51:08,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:51:08,890 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:51:08,891 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:51:08,892 INFO L431 ainManager$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/safe000_power.oepc.yml/witness.yml [2024-02-07 14:51:09,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:51:09,048 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:51:09,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2024-02-07 14:51:10,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:51:10,327 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:51:10,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2024-02-07 14:51:10,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b0d3ad5/2e9a4dc6373e4a97911ccdf3bc65844b/FLAGa98cf5b8e [2024-02-07 14:51:10,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b0d3ad5/2e9a4dc6373e4a97911ccdf3bc65844b [2024-02-07 14:51:10,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:51:10,363 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:51:10,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:51:10,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:51:10,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:51:10,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:09" (1/2) ... [2024-02-07 14:51:10,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373fc184 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:10, skipping insertion in model container [2024-02-07 14:51:10,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:09" (1/2) ... [2024-02-07 14:51:10,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a5932f8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:10, skipping insertion in model container [2024-02-07 14:51:10,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:51:10" (2/2) ... [2024-02-07 14:51:10,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373fc184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:10, skipping insertion in model container [2024-02-07 14:51:10,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:51:10" (2/2) ... [2024-02-07 14:51:10,373 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:51:10,499 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:51:10,500 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] y$flush_delayed == (_Bool)0 [2024-02-07 14:51:10,501 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] y$flush_delayed == (_Bool)0 [2024-02-07 14:51:10,501 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 14:51:10,501 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:10,501 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 1 <= __unbuffered_cnt [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] 1 <= __unbuffered_cnt [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] y$flush_delayed == (_Bool)0 [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:51:10,502 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] 0 <= __unbuffered_cnt [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] 0 <= __unbuffered_cnt [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (y == 2)) && ((__unbuffered_p0_EAX == 2 && (__unbuffered_p1_EAX == 1 || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) || (((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && __unbuffered_p0_EAX <= 2) && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)))) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 14:51:10,503 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$r_buff1_thd3 == (_Bool)0)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:10,504 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:10,504 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:10,504 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 14:51:10,504 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:10,504 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] y$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] 0 <= __unbuffered_cnt [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((((((0 <= y) && (0 <= *__unbuffered_p0_EAX$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 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] y == 1 [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:51:10,505 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:10,506 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (((0 <= y$mem_tmp) && (y$mem_tmp <= 2)) && (y$mem_tmp <= 127)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-02-07 14:51:10,506 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:10,506 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 0 <= __unbuffered_cnt [2024-02-07 14:51:10,506 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:10,506 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:51:10,507 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:51:10,507 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] x == 1 [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] y$w_buff1_used == (_Bool)0 [2024-02-07 14:51:10,508 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] y == 2 [2024-02-07 14:51:10,509 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] 1 <= __unbuffered_cnt [2024-02-07 14:51:10,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:51:10,687 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/safe000_power.oepc.i[995,1008] [2024-02-07 14:51:10,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:51:10,940 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:51:10,992 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/safe000_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 [2024-02-07 14:51:11,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:51:11,116 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:51:11,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11 WrapperNode [2024-02-07 14:51:11,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:51:11,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:51:11,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:51:11,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:51:11,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,159 INFO L138 Inliner]: procedures = 176, calls = 141, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 224 [2024-02-07 14:51:11,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:51:11,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:51:11,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:51:11,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:51:11,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,186 INFO L175 MemorySlicer]: Split 92 memory accesses to 5 slices as follows [2, 1, 1, 1, 87]. 95 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 1]. The 14 writes are split as follows [0, 1, 1, 1, 11]. [2024-02-07 14:51:11,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:51:11,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:51:11,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:51:11,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:51:11,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (1/1) ... [2024-02-07 14:51:11,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:51:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:51:11,289 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 14:51:11,307 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 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:51:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:51:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:51:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:51:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:51:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:51:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:51:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:51:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:51:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:51:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:51:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:51:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:51:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:51:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:51:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:51:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:51:11,323 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 14:51:11,479 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:51:11,481 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:51:12,015 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:51:12,015 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:51:12,755 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:51:12,755 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:51:12,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:51:12 BoogieIcfgContainer [2024-02-07 14:51:12,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:51:12,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:51:12,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:51:12,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:51:12,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:09" (1/4) ... [2024-02-07 14:51:12,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307db937 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:51:12, skipping insertion in model container [2024-02-07 14:51:12,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:51:10" (2/4) ... [2024-02-07 14:51:12,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307db937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:51:12, skipping insertion in model container [2024-02-07 14:51:12,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:11" (3/4) ... [2024-02-07 14:51:12,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307db937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:51:12, skipping insertion in model container [2024-02-07 14:51:12,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:51:12" (4/4) ... [2024-02-07 14:51:12,764 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2024-02-07 14:51:12,778 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:51:12,779 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2024-02-07 14:51:12,779 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:51:12,900 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:51:12,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 90 transitions, 192 flow [2024-02-07 14:51:13,022 INFO L124 PetriNetUnfolderBase]: 1/87 cut-off events. [2024-02-07 14:51:13,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:13,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 87 events. 1/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 362 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2024-02-07 14:51:13,026 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 90 transitions, 192 flow [2024-02-07 14:51:13,029 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 87 transitions, 183 flow [2024-02-07 14:51:13,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:51:13,049 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;@448bd60b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:51:13,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-02-07 14:51:13,052 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:51:13,052 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:51:13,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:13,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:13,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:51:13,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 81 more)] === [2024-02-07 14:51:13,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:13,098 INFO L85 PathProgramCache]: Analyzing trace with hash 44520, now seen corresponding path program 1 times [2024-02-07 14:51:13,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:13,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986356274] [2024-02-07 14:51:13,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:13,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:51:13,504 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 14:51:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:51:13,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986356274] [2024-02-07 14:51:13,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986356274] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:51:13,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:51:13,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:51:13,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439341636] [2024-02-07 14:51:13,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:51:13,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:51:13,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:51:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:51:13,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:51:13,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 90 [2024-02-07 14:51:13,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 87 transitions, 183 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 14:51:13,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:51:13,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 90 [2024-02-07 14:51:13,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:51:22,263 INFO L124 PetriNetUnfolderBase]: 43091/65124 cut-off events. [2024-02-07 14:51:22,264 INFO L125 PetriNetUnfolderBase]: For 67/67 co-relation queries the response was YES. [2024-02-07 14:51:22,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124824 conditions, 65124 events. 43091/65124 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 3710. Compared 548009 event pairs, 43091 based on Foata normal form. 810/34402 useless extension candidates. Maximal degree in co-relation 124811. Up to 59493 conditions per place. [2024-02-07 14:51:22,716 INFO L140 encePairwiseOnDemand]: 64/90 looper letters, 48 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2024-02-07 14:51:22,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 62 transitions, 231 flow [2024-02-07 14:51:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:51:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:51:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-02-07 14:51:22,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45185185185185184 [2024-02-07 14:51:22,734 INFO L175 Difference]: Start difference. First operand has 96 places, 87 transitions, 183 flow. Second operand 3 states and 122 transitions. [2024-02-07 14:51:22,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 62 transitions, 231 flow [2024-02-07 14:51:22,740 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 14:51:22,743 INFO L231 Difference]: Finished difference. Result has 71 places, 62 transitions, 132 flow [2024-02-07 14:51:22,745 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, 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 14:51:22,749 INFO L281 CegarLoopForPetriNet]: 96 programPoint places, -25 predicate places. [2024-02-07 14:51:22,749 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 62 transitions, 132 flow [2024-02-07 14:51:22,749 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 14:51:22,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:22,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:51:22,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:51:22,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 81 more)] === [2024-02-07 14:51:22,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:22,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1327783991, now seen corresponding path program 1 times [2024-02-07 14:51:22,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:22,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357698009] [2024-02-07 14:51:22,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:22,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:51:22,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:51:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:51:22,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:51:22,819 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:51:22,821 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 84 remaining) [2024-02-07 14:51:22,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 84 remaining) [2024-02-07 14:51:22,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 84 remaining) [2024-02-07 14:51:22,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 84 remaining) [2024-02-07 14:51:22,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 84 remaining) [2024-02-07 14:51:22,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 84 remaining) [2024-02-07 14:51:22,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 84 remaining) [2024-02-07 14:51:22,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 84 remaining) [2024-02-07 14:51:22,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 84 remaining) [2024-02-07 14:51:22,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 84 remaining) [2024-02-07 14:51:22,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 84 remaining) [2024-02-07 14:51:22,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 84 remaining) [2024-02-07 14:51:22,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 84 remaining) [2024-02-07 14:51:22,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 84 remaining) [2024-02-07 14:51:22,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 84 remaining) [2024-02-07 14:51:22,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 84 remaining) [2024-02-07 14:51:22,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 84 remaining) [2024-02-07 14:51:22,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 84 remaining) [2024-02-07 14:51:22,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 84 remaining) [2024-02-07 14:51:22,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 84 remaining) [2024-02-07 14:51:22,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 84 remaining) [2024-02-07 14:51:22,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 84 remaining) [2024-02-07 14:51:22,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 84 remaining) [2024-02-07 14:51:22,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 84 remaining) [2024-02-07 14:51:22,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 84 remaining) [2024-02-07 14:51:22,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 84 remaining) [2024-02-07 14:51:22,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 84 remaining) [2024-02-07 14:51:22,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 84 remaining) [2024-02-07 14:51:22,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 84 remaining) [2024-02-07 14:51:22,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 84 remaining) [2024-02-07 14:51:22,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 84 remaining) [2024-02-07 14:51:22,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 84 remaining) [2024-02-07 14:51:22,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 84 remaining) [2024-02-07 14:51:22,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 84 remaining) [2024-02-07 14:51:22,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 84 remaining) [2024-02-07 14:51:22,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 84 remaining) [2024-02-07 14:51:22,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 84 remaining) [2024-02-07 14:51:22,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 84 remaining) [2024-02-07 14:51:22,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 84 remaining) [2024-02-07 14:51:22,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 84 remaining) [2024-02-07 14:51:22,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 84 remaining) [2024-02-07 14:51:22,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 84 remaining) [2024-02-07 14:51:22,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 84 remaining) [2024-02-07 14:51:22,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (34 of 84 remaining) [2024-02-07 14:51:22,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 84 remaining) [2024-02-07 14:51:22,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 84 remaining) [2024-02-07 14:51:22,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 84 remaining) [2024-02-07 14:51:22,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 84 remaining) [2024-02-07 14:51:22,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 84 remaining) [2024-02-07 14:51:22,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 84 remaining) [2024-02-07 14:51:22,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 84 remaining) [2024-02-07 14:51:22,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 84 remaining) [2024-02-07 14:51:22,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 84 remaining) [2024-02-07 14:51:22,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 84 remaining) [2024-02-07 14:51:22,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 84 remaining) [2024-02-07 14:51:22,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 84 remaining) [2024-02-07 14:51:22,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 84 remaining) [2024-02-07 14:51:22,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 84 remaining) [2024-02-07 14:51:22,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 84 remaining) [2024-02-07 14:51:22,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 84 remaining) [2024-02-07 14:51:22,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:51:22,844 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:51:22,852 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:51:22,853 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:51:22,889 INFO L503 ceAbstractionStarter]: Automizer considered 48 witness invariants [2024-02-07 14:51:22,889 INFO L504 ceAbstractionStarter]: WitnessConsidered=48 [2024-02-07 14:51:22,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:51:22 BasicIcfg [2024-02-07 14:51:22,889 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:51:22,890 INFO L158 Benchmark]: Toolchain (without parser) took 12527.20ms. Allocated memory was 163.6MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 121.1MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 928.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:22,890 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 76.5MB in the beginning and 76.4MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:51:22,890 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:51:22,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.32ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 67.5MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-02-07 14:51:22,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.58ms. Allocated memory is still 163.6MB. Free memory was 67.5MB in the beginning and 64.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:22,891 INFO L158 Benchmark]: Boogie Preprocessor took 60.99ms. Allocated memory is still 163.6MB. Free memory was 64.6MB in the beginning and 58.9MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:22,891 INFO L158 Benchmark]: RCFGBuilder took 1535.16ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 58.3MB in the beginning and 135.6MB in the end (delta: -77.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-02-07 14:51:22,892 INFO L158 Benchmark]: TraceAbstraction took 10130.75ms. Allocated memory was 245.4MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 135.6MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 861.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:22,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 76.5MB in the beginning and 76.4MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.32ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 67.5MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.58ms. Allocated memory is still 163.6MB. Free memory was 67.5MB in the beginning and 64.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.99ms. Allocated memory is still 163.6MB. Free memory was 64.6MB in the beginning and 58.9MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1535.16ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 58.3MB in the beginning and 135.6MB in the end (delta: -77.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10130.75ms. Allocated memory was 245.4MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 135.6MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 861.2MB. 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$w_buff1_used; [L730] 0 int __unbuffered_p1_EAX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$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$$choice2; [L853] 0 pthread_t t1777; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1777={5:0}, weak$$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(&t1777, ((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_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1777={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_p1_EAX=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: 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: 792]: 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: 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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 148 locations, 84 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 0 mSDtfsCounter, 49 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=183occurred 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, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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! [2024-02-07 14:51:22,934 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