./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe027_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/safe027_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/safe027_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe027_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 14:52:44,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:44,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:44,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:44,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:44,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:44,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:44,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:44,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:44,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:44,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:44,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:44,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:44,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:44,566 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:44,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:44,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:44,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:44,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:44,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:44,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:44,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:44,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:44,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:44,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:44,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:44,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:44,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:44,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:44,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:44,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:44,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:44,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:44,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:44,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:44,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:44,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:44,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:44,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:44,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:44,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:44,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:44,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:44,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:44,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:44,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:44,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:44,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:44,795 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:44,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_power.oepc.i [2024-02-07 14:52:46,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:46,316 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:46,321 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_power.oepc.i [2024-02-07 14:52:46,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e93af6e/31efefbe03454f998d511651a2af971e/FLAG8bd7aa514 [2024-02-07 14:52:46,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e93af6e/31efefbe03454f998d511651a2af971e [2024-02-07 14:52:46,362 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:46,363 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:46,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe027_power.oepc.yml/witness.yml [2024-02-07 14:52:46,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:46,484 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:46,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:46,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:46,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:46,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:46" (1/2) ... [2024-02-07 14:52:46,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486dedff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:46, skipping insertion in model container [2024-02-07 14:52:46,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:46" (1/2) ... [2024-02-07 14:52:46,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8274720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:46, skipping insertion in model container [2024-02-07 14:52:46,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:46" (2/2) ... [2024-02-07 14:52:46,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486dedff and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:46, skipping insertion in model container [2024-02-07 14:52:46,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:46" (2/2) ... [2024-02-07 14:52:46,494 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:52:46,617 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:52:46,619 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:52:46,619 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((((((0 <= y) && (0 <= *__unbuffered_p0_EAX$read_delayed_var)) && (y <= 1)) && (*__unbuffered_p0_EAX$read_delayed_var <= 1)) && (__unbuffered_p0_EAX$read_delayed_var == & y)) && (y == 0 || y == 1)) && (*__unbuffered_p0_EAX$read_delayed_var == 0 || *__unbuffered_p0_EAX$read_delayed_var == 1) [2024-02-07 14:52:46,619 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:46,620 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] y$w_buff1_used == (_Bool)0 [2024-02-07 14:52:46,620 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] y$flush_delayed == (_Bool)0 [2024-02-07 14:52:46,620 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] ((((0LL - (long long )y$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$w_buff1_used >= 0LL) [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] 1 <= __unbuffered_cnt [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] 0 <= __unbuffered_cnt [2024-02-07 14:52:46,621 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= __unbuffered_p0_EBX) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1) [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] y$w_buff1_used == (_Bool)0 [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] 1 <= __unbuffered_cnt [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((0 <= y$mem_tmp) && (y$mem_tmp <= 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1) [2024-02-07 14:52:46,622 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] y$w_buff1_used == (_Bool)0 [2024-02-07 14:52:46,623 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 1 <= __unbuffered_cnt [2024-02-07 14:52:46,623 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] y$w_buff1_used == (_Bool)0 [2024-02-07 14:52:46,623 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:52:46,623 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] 0 <= __unbuffered_cnt [2024-02-07 14:52:46,623 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] y == 1 [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 1 <= __unbuffered_cnt [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd3 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:52:46,624 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:46,625 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] y$flush_delayed == (_Bool)0 [2024-02-07 14:52:46,625 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 0 <= __unbuffered_cnt [2024-02-07 14:52:46,625 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] x == 1 [2024-02-07 14:52:46,625 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:46,625 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 14:52:46,626 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] 0 <= __unbuffered_cnt [2024-02-07 14:52:46,626 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p0_EBX == 0 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p0_EBX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p0_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 14:52:46,627 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] 0 <= __unbuffered_cnt [2024-02-07 14:52:46,627 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:52:46,627 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:46,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:52:46,851 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/safe027_power.oepc.i[995,1008] [2024-02-07 14:52:47,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:47,056 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:52:47,082 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/safe027_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 [2024-02-07 14:52:47,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:47,170 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:52:47,171 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:47 WrapperNode [2024-02-07 14:52:47,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:47,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:47,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:52:47,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:52:47,180 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,194 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,217 INFO L138 Inliner]: procedures = 177, calls = 113, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2024-02-07 14:52:47,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:47,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:52:47,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:52:47,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:52:47,228 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,228 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,241 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,263 INFO L175 MemorySlicer]: Split 56 memory accesses to 6 slices as follows [2, 1, 1, 1, 1, 50]. 89 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 1]. The 11 writes are split as follows [0, 1, 1, 1, 1, 7]. [2024-02-07 14:52:47,273 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,274 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,286 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,298 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,310 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,312 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:52:47,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:52:47,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:52:47,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:52:47,324 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 02:52:47" (1/1) ... [2024-02-07 14:52:47,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:47,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:52:47,378 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 14:52:47,386 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 14:52:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:52:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:52:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:52:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:52:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 14:52:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:52:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:52:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:52:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:52:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:52:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:52:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:52:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:52:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:52:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:52:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:52:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:52:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:52:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:52:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:52:47,421 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 14:52:47,578 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:52:47,580 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:52:48,090 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:52:48,091 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:52:48,596 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:52:48,596 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:52:48,596 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:48 BoogieIcfgContainer [2024-02-07 14:52:48,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:52:48,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:52:48,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:52:48,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:52:48,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:46" (1/4) ... [2024-02-07 14:52:48,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1a867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:48, skipping insertion in model container [2024-02-07 14:52:48,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:46" (2/4) ... [2024-02-07 14:52:48,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1a867 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:48, skipping insertion in model container [2024-02-07 14:52:48,602 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 02:52:47" (3/4) ... [2024-02-07 14:52:48,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1a867 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:48, skipping insertion in model container [2024-02-07 14:52:48,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:48" (4/4) ... [2024-02-07 14:52:48,603 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_power.oepc.i [2024-02-07 14:52:48,617 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:52:48,617 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-02-07 14:52:48,617 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:52:48,744 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:52:48,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 91 transitions, 198 flow [2024-02-07 14:52:48,802 INFO L124 PetriNetUnfolderBase]: 1/87 cut-off events. [2024-02-07 14:52:48,803 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:48,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 1/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 322 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2024-02-07 14:52:48,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 91 transitions, 198 flow [2024-02-07 14:52:48,811 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 87 transitions, 186 flow [2024-02-07 14:52:48,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:52:48,823 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;@52f523ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:52:48,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-02-07 14:52:48,826 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:52:48,826 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:52:48,826 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:48,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:48,827 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:52:48,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 77 more)] === [2024-02-07 14:52:48,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:52:48,831 INFO L85 PathProgramCache]: Analyzing trace with hash 34718, now seen corresponding path program 1 times [2024-02-07 14:52:48,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:52:48,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240123206] [2024-02-07 14:52:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:52:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:52:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:52:49,117 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 14:52:49,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:52:49,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240123206] [2024-02-07 14:52:49,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240123206] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:52:49,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:52:49,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:52:49,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187177616] [2024-02-07 14:52:49,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:52:49,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:52:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:52:49,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:52:49,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:52:49,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 91 [2024-02-07 14:52:49,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 87 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 14:52:49,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:52:49,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 91 [2024-02-07 14:52:49,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:14,321 INFO L124 PetriNetUnfolderBase]: 161040/236541 cut-off events. [2024-02-07 14:53:14,322 INFO L125 PetriNetUnfolderBase]: For 521/521 co-relation queries the response was YES. [2024-02-07 14:53:14,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446860 conditions, 236541 events. 161040/236541 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 10232. Compared 2113121 event pairs, 161040 based on Foata normal form. 4235/143663 useless extension candidates. Maximal degree in co-relation 446846. Up to 208969 conditions per place. [2024-02-07 14:53:16,123 INFO L140 encePairwiseOnDemand]: 67/91 looper letters, 48 selfloop transitions, 1 changer transitions 0/64 dead transitions. [2024-02-07 14:53:16,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 64 transitions, 238 flow [2024-02-07 14:53:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:53:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:53:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2024-02-07 14:53:16,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725274725274725 [2024-02-07 14:53:16,134 INFO L175 Difference]: Start difference. First operand has 99 places, 87 transitions, 186 flow. Second operand 3 states and 129 transitions. [2024-02-07 14:53:16,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 64 transitions, 238 flow [2024-02-07 14:53:16,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 64 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:53:16,184 INFO L231 Difference]: Finished difference. Result has 75 places, 64 transitions, 138 flow [2024-02-07 14:53:16,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=75, PETRI_TRANSITIONS=64} [2024-02-07 14:53:16,189 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -24 predicate places. [2024-02-07 14:53:16,189 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 64 transitions, 138 flow [2024-02-07 14:53:16,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 14:53:16,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:16,189 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:53:16,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:53:16,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 77 more)] === [2024-02-07 14:53:16,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1035470577, now seen corresponding path program 1 times [2024-02-07 14:53:16,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:16,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939847932] [2024-02-07 14:53:16,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:16,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:16,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:53:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:16,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:53:16,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:53:16,276 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 80 remaining) [2024-02-07 14:53:16,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 80 remaining) [2024-02-07 14:53:16,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 80 remaining) [2024-02-07 14:53:16,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 80 remaining) [2024-02-07 14:53:16,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 80 remaining) [2024-02-07 14:53:16,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 80 remaining) [2024-02-07 14:53:16,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 80 remaining) [2024-02-07 14:53:16,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 80 remaining) [2024-02-07 14:53:16,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 80 remaining) [2024-02-07 14:53:16,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 80 remaining) [2024-02-07 14:53:16,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 80 remaining) [2024-02-07 14:53:16,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 80 remaining) [2024-02-07 14:53:16,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 80 remaining) [2024-02-07 14:53:16,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 80 remaining) [2024-02-07 14:53:16,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 80 remaining) [2024-02-07 14:53:16,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 80 remaining) [2024-02-07 14:53:16,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 80 remaining) [2024-02-07 14:53:16,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 80 remaining) [2024-02-07 14:53:16,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 80 remaining) [2024-02-07 14:53:16,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 80 remaining) [2024-02-07 14:53:16,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 80 remaining) [2024-02-07 14:53:16,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 80 remaining) [2024-02-07 14:53:16,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 80 remaining) [2024-02-07 14:53:16,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 80 remaining) [2024-02-07 14:53:16,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 80 remaining) [2024-02-07 14:53:16,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 80 remaining) [2024-02-07 14:53:16,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 80 remaining) [2024-02-07 14:53:16,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 80 remaining) [2024-02-07 14:53:16,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 80 remaining) [2024-02-07 14:53:16,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (35 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 80 remaining) [2024-02-07 14:53:16,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 80 remaining) [2024-02-07 14:53:16,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 80 remaining) [2024-02-07 14:53:16,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 80 remaining) [2024-02-07 14:53:16,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 80 remaining) [2024-02-07 14:53:16,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:53:16,304 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:53:16,310 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:53:16,310 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:53:16,333 INFO L503 ceAbstractionStarter]: Automizer considered 43 witness invariants [2024-02-07 14:53:16,335 INFO L504 ceAbstractionStarter]: WitnessConsidered=43 [2024-02-07 14:53:16,337 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:53:16 BasicIcfg [2024-02-07 14:53:16,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:53:16,338 INFO L158 Benchmark]: Toolchain (without parser) took 29853.69ms. Allocated memory was 144.7MB in the beginning and 13.6GB in the end (delta: 13.5GB). Free memory was 80.9MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-02-07 14:53:16,338 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 104.3MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:16,338 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:16,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.70ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 80.9MB in the beginning and 121.6MB in the end (delta: -40.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-02-07 14:53:16,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.39ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 118.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:53:16,343 INFO L158 Benchmark]: Boogie Preprocessor took 104.78ms. Allocated memory is still 174.1MB. Free memory was 118.4MB in the beginning and 113.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-02-07 14:53:16,343 INFO L158 Benchmark]: RCFGBuilder took 1273.18ms. Allocated memory is still 174.1MB. Free memory was 113.2MB in the beginning and 82.7MB in the end (delta: 30.5MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-02-07 14:53:16,343 INFO L158 Benchmark]: TraceAbstraction took 27739.07ms. Allocated memory was 174.1MB in the beginning and 13.6GB in the end (delta: 13.5GB). Free memory was 82.7MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-02-07 14:53:16,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 104.3MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.70ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 80.9MB in the beginning and 121.6MB in the end (delta: -40.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.39ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 118.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.78ms. Allocated memory is still 174.1MB. Free memory was 118.4MB in the beginning and 113.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1273.18ms. Allocated memory is still 174.1MB. Free memory was 113.2MB in the beginning and 82.7MB in the end (delta: 30.5MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27739.07ms. Allocated memory was 174.1MB in the beginning and 13.6GB in the end (delta: 13.5GB). Free memory was 82.7MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 769]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L711] 0 int __unbuffered_cnt = 0; [L713] 0 int __unbuffered_p0_EAX = 0; [L714] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L715] 0 int __unbuffered_p0_EAX$mem_tmp; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd4; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd4; [L726] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L727] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L728] 0 int __unbuffered_p0_EAX$w_buff0; [L729] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L730] 0 int __unbuffered_p0_EAX$w_buff1; [L731] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L733] 0 int __unbuffered_p0_EBX = 0; [L735] 0 int __unbuffered_p2_EAX = 0; [L737] 0 int __unbuffered_p2_EBX = 0; [L738] 0 _Bool main$tmp_guard0; [L739] 0 _Bool main$tmp_guard1; [L741] 0 int x = 0; [L743] 0 int y = 0; [L743] 0 int y = 0; [L744] 0 _Bool y$flush_delayed; [L745] 0 int y$mem_tmp; [L746] 0 _Bool y$r_buff0_thd0; [L747] 0 _Bool y$r_buff0_thd1; [L748] 0 _Bool y$r_buff0_thd2; [L749] 0 _Bool y$r_buff0_thd3; [L750] 0 _Bool y$r_buff0_thd4; [L751] 0 _Bool y$r_buff1_thd0; [L752] 0 _Bool y$r_buff1_thd1; [L753] 0 _Bool y$r_buff1_thd2; [L754] 0 _Bool y$r_buff1_thd3; [L755] 0 _Bool y$r_buff1_thd4; [L756] 0 _Bool y$read_delayed; [L757] 0 int *y$read_delayed_var; [L758] 0 int y$w_buff0; [L759] 0 _Bool y$w_buff0_used; [L760] 0 int y$w_buff1; [L761] 0 _Bool y$w_buff1_used; [L762] 0 _Bool weak$$choice0; [L763] 0 _Bool weak$$choice1; [L764] 0 _Bool weak$$choice2; [L864] 0 pthread_t t2417; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2417={5:0}, weak$$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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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}] [L865] 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]]]]] [L865] FCALL, FORK 0 pthread_create(&t2417, ((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$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=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, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2417={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y={3:0}] [L768] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 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$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=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, __unbuffered_p2_EBX=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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: 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: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 784]: 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: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: 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: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: 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: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: 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: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: 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: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 828]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: 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: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 865]: 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: 875]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 881]: 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: 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: 867]: 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: 869]: 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: 871]: 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: 865]: 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 9 procedures, 154 locations, 80 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: 27.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 1 mSDtfsCounter, 50 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=186occurred 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 14:53:16,391 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