./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe019_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/safe019_power.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/safe019_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe019_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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:30:27,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:30:27,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:30:27,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:30:27,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:30:27,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:30:27,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:30:27,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:30:27,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:30:27,742 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:30:27,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:30:27,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:30:27,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:30:27,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:30:27,743 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:30:27,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:30:27,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:30:27,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:30:27,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:30:27,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:30:27,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:30:27,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:30:27,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:30:27,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:30:27,746 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:30:27,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:30:27,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:30:27,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:30:27,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:30:27,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:30:27,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:30:27,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:30:27,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:27,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:30:27,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:30:27,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:30:27,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:30:27,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:30:27,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:30:27,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:30:27,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:30:27,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:30:27,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:30:27,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:30:27,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:30:28,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:30:28,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:30:28,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:30:28,012 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:30:28,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_power.oepc.i [2024-02-07 19:30:29,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:30:29,235 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:30:29,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_power.oepc.i [2024-02-07 19:30:29,256 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9d9e71ea/6125d2908bab4ab291fd4fd58e896fe8/FLAG62d6d8404 [2024-02-07 19:30:29,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9d9e71ea/6125d2908bab4ab291fd4fd58e896fe8 [2024-02-07 19:30:29,274 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:30:29,276 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:30:29,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe019_power.oepc.yml/witness.yml [2024-02-07 19:30:29,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:30:29,394 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:30:29,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:29,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:30:29,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:30:29,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:29" (1/2) ... [2024-02-07 19:30:29,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3c716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:29, skipping insertion in model container [2024-02-07 19:30:29,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:29" (1/2) ... [2024-02-07 19:30:29,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34cce03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:29, skipping insertion in model container [2024-02-07 19:30:29,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:29" (2/2) ... [2024-02-07 19:30:29,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3c716 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:29, skipping insertion in model container [2024-02-07 19:30:29,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:29" (2/2) ... [2024-02-07 19:30:29,402 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:30:29,536 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:30:29,537 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] ((((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 19:30:29,538 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:29,538 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (((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 19:30:29,538 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 0 <= __unbuffered_cnt [2024-02-07 19:30:29,538 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:29,539 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:30:29,539 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:29,539 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:29,539 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] ((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (y == 2)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && ((__unbuffered_p0_EAX == 2 && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) || (((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p0_EBX) && __unbuffered_p0_EAX <= 2) && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) [2024-02-07 19:30:29,539 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] 1 <= __unbuffered_cnt [2024-02-07 19:30:29,539 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] y$w_buff1_used == (_Bool)0 [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] 0 <= __unbuffered_cnt [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] 0 <= __unbuffered_cnt [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] y == 2 [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] 1 <= __unbuffered_cnt [2024-02-07 19:30:29,540 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 1 <= __unbuffered_cnt [2024-02-07 19:30:29,541 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] y$w_buff1_used == (_Bool)0 [2024-02-07 19:30:29,541 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] y$w_buff1_used == (_Bool)0 [2024-02-07 19:30:29,541 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] y$w_buff1_used == (_Bool)0 [2024-02-07 19:30:29,541 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L890-L890] y$flush_delayed == (_Bool)0 [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 1 <= __unbuffered_cnt [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 0 <= __unbuffered_cnt [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:29,542 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] 0 <= __unbuffered_cnt [2024-02-07 19:30:29,543 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:29,543 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:29,543 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] y$flush_delayed == (_Bool)0 [2024-02-07 19:30:29,543 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] ((((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 19:30:29,543 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] y$w_buff1_used == (_Bool)0 [2024-02-07 19:30:29,543 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((0 <= __unbuffered_p0_EBX) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1) [2024-02-07 19:30:29,544 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] x == 1 [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] y == 1 [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((((((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$read_delayed_var == 2) [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] y$w_buff1_used == (_Bool)0 [2024-02-07 19:30:29,545 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:29,586 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:30:29,735 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/safe019_power.oepc.i[995,1008] [2024-02-07 19:30:29,880 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:29,892 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:30:29,918 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/safe019_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 [2024-02-07 19:30:30,004 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:30,050 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:30:30,051 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:30 WrapperNode [2024-02-07 19:30:30,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:30,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:30,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:30:30,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:30:30,059 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,090 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,117 INFO L138 Inliner]: procedures = 177, calls = 126, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 239 [2024-02-07 19:30:30,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:30,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:30:30,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:30:30,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:30:30,129 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,129 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,133 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,171 INFO L175 MemorySlicer]: Split 69 memory accesses to 6 slices as follows [2, 1, 1, 1, 1, 63]. 91 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 1]. The 13 writes are split as follows [0, 1, 1, 1, 1, 9]. [2024-02-07 19:30:30,179 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,180 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,190 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,206 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,208 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,210 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:30:30,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:30:30,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:30:30,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:30:30,216 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 07:30:30" (1/1) ... [2024-02-07 19:30:30,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:30:30,243 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 19:30:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:30:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:30:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:30:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:30:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:30:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:30:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:30:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:30:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:30:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:30:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:30:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:30:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:30:30,258 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 19:30:30,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:30:30,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:30:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:30:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:30:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:30:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:30:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:30:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:30:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:30:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:30:30,277 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:30:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:30:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:30:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:30:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:30:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:30:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:30:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:30:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:30:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:30:30,280 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 19:30:30,429 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:30:30,430 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:30:31,012 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:30:31,012 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:30:31,516 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:30:31,516 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:30:31,516 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:31 BoogieIcfgContainer [2024-02-07 19:30:31,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:30:31,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:30:31,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:30:31,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:30:31,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:30:29" (1/4) ... [2024-02-07 19:30:31,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b080b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:31, skipping insertion in model container [2024-02-07 19:30:31,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:29" (2/4) ... [2024-02-07 19:30:31,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b080b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:31, skipping insertion in model container [2024-02-07 19:30:31,523 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 07:30:30" (3/4) ... [2024-02-07 19:30:31,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b080b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:31, skipping insertion in model container [2024-02-07 19:30:31,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:31" (4/4) ... [2024-02-07 19:30:31,526 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.oepc.i [2024-02-07 19:30:31,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:30:31,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2024-02-07 19:30:31,540 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:30:31,670 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:30:31,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 95 transitions, 206 flow [2024-02-07 19:30:31,737 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2024-02-07 19:30:31,738 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:31,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 331 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2024-02-07 19:30:31,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 95 transitions, 206 flow [2024-02-07 19:30:31,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 91 transitions, 194 flow [2024-02-07 19:30:31,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:30:31,810 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;@1c6b981, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:30:31,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-02-07 19:30:31,813 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:30:31,813 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:30:31,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:31,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:31,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:30:31,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 78 more)] === [2024-02-07 19:30:31,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:31,818 INFO L85 PathProgramCache]: Analyzing trace with hash 38729, now seen corresponding path program 1 times [2024-02-07 19:30:31,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:31,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735429968] [2024-02-07 19:30:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:31,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:32,108 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 19:30:32,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735429968] [2024-02-07 19:30:32,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735429968] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:32,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:32,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:32,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599388610] [2024-02-07 19:30:32,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:32,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:32,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:32,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:32,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:32,146 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 95 [2024-02-07 19:30:32,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 91 transitions, 194 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 19:30:32,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:32,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 95 [2024-02-07 19:30:32,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand