./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.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 19:29:13,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:29:13,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:29:13,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:29:13,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:29:13,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:29:13,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:29:13,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:29:13,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:29:13,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:29:13,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:29:13,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:29:13,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:29:13,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:29:13,771 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:29:13,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:29:13,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:29:13,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:29:13,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:29:13,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:29:13,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:29:13,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:29:13,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:29:13,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:29:13,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:29:13,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:29:13,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:29:13,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:29:13,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:29:13,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:29:13,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:29:13,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:29:13,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:29:13,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:29:13,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:29:13,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:29:13,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:29:13,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:29:13,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:29:13,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:29:13,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:29:13,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:29:13,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:29:13,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:29:13,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:29:14,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:29:14,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:29:14,026 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:29:14,027 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:29:14,028 INFO L431 ainManager$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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-02-07 19:29:14,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:29:14,167 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:29:14,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-07 19:29:15,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:29:15,350 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:29:15,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-07 19:29:15,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7516ceed/d605ab398d75421db966660278c69c99/FLAG7462a7bf0 [2024-02-07 19:29:15,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7516ceed/d605ab398d75421db966660278c69c99 [2024-02-07 19:29:15,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:29:15,379 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:29:15,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:29:15,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:29:15,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:29:15,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:29:14" (1/2) ... [2024-02-07 19:29:15,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43679963 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:29:15, skipping insertion in model container [2024-02-07 19:29:15,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:29:14" (1/2) ... [2024-02-07 19:29:15,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6535a5c8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:29:15, skipping insertion in model container [2024-02-07 19:29:15,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:29:15" (2/2) ... [2024-02-07 19:29:15,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43679963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:15, skipping insertion in model container [2024-02-07 19:29:15,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:29:15" (2/2) ... [2024-02-07 19:29:15,389 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:29:15,568 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:29:15,569 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:29:15,569 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] ((((0 <= y$w_buff0) && (y$w_buff0 <= 2)) && (y$w_buff0 <= 127)) && (y$w_buff0 % 2 == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2) [2024-02-07 19:29:15,570 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:29:15,570 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((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 19:29:15,570 INFO L76 edCorrectnessWitness]: Location invariant before [L743-L743] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] (y$r_buff1_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] y$r_buff0_thd2 == (_Bool)1 [2024-02-07 19:29:15,571 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (y$r_buff0_thd3 == (_Bool)0) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] x == 1 [2024-02-07 19:29:15,572 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (y$w_buff0 == 2) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,573 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (y$r_buff0_thd3 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,573 INFO L76 edCorrectnessWitness]: Location invariant before [L744-L744] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:29:15,573 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:29:15,573 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] y$flush_delayed == (_Bool)0 [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 0 <= __unbuffered_cnt [2024-02-07 19:29:15,574 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,575 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:29:15,575 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (y$r_buff1_thd3 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,575 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((0 <= y$w_buff1) && (y$w_buff1 <= 2)) && (y$w_buff1 <= 127)) && (y$w_buff1 % 2 == 0)) && (y$w_buff1 == 0 || y$w_buff1 == 2) [2024-02-07 19:29:15,575 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] 0 <= __unbuffered_cnt [2024-02-07 19:29:15,575 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 19:29:15,575 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] 0 <= __unbuffered_cnt [2024-02-07 19:29:15,576 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:29:15,576 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] y$r_buff0_thd0 == (_Bool)0 || ((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) [2024-02-07 19:29:15,577 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] ((((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 19:29:15,577 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,577 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,577 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] (y$r_buff0_thd1 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((((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 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:29:15,578 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] (y$r_buff1_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,579 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] ((((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (y == 2)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && ((__unbuffered_p0_EAX == 1 && (__unbuffered_p1_EAX == 2 || (((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2))) [2024-02-07 19:29:15,579 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] 1 <= __unbuffered_cnt [2024-02-07 19:29:15,579 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,579 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,580 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,580 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (y$r_buff1_thd3 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] y$flush_delayed == (_Bool)0 [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L750-L750] (y$r_buff0_thd1 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (y$r_buff0_thd3 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,581 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] 0 <= __unbuffered_cnt [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (y$r_buff1_thd1 == (_Bool)0) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 1 <= __unbuffered_cnt [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] 1 <= __unbuffered_cnt [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) [2024-02-07 19:29:15,582 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (y$r_buff1_thd3 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,583 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] (y$r_buff1_thd1 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:29:15,583 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:29:15,583 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:29:15,583 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:29:15,583 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:29:15,583 INFO L76 edCorrectnessWitness]: Location invariant before [L747-L747] y == 1 [2024-02-07 19:29:15,622 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:29:15,764 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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2024-02-07 19:29:15,986 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:29:15,996 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:29:16,024 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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 19:29:16,103 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:29:16,129 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:29:16,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16 WrapperNode [2024-02-07 19:29:16,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:29:16,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:29:16,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:29:16,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:29:16,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,185 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 223 [2024-02-07 19:29:16,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:29:16,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:29:16,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:29:16,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:29:16,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,227 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 19:29:16,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:29:16,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:29:16,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:29:16,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:29:16,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (1/1) ... [2024-02-07 19:29:16,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:29:16,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:29:16,306 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 19:29:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:29:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:29:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:29:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:29:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:29:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:29:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:29:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:29:16,324 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 19:29:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:29:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:29:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:29:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:29:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:29:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:29:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:29:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:29:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:29:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:29:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:29:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:29:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:29:16,339 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 19:29:16,483 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:29:16,485 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:29:17,011 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:29:17,011 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:29:17,513 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:29:17,513 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:29:17,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:29:17 BoogieIcfgContainer [2024-02-07 19:29:17,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:29:17,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:29:17,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:29:17,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:29:17,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:29:14" (1/4) ... [2024-02-07 19:29:17,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4456568c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:29:17, skipping insertion in model container [2024-02-07 19:29:17,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:29:15" (2/4) ... [2024-02-07 19:29:17,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4456568c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:29:17, skipping insertion in model container [2024-02-07 19:29:17,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:16" (3/4) ... [2024-02-07 19:29:17,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4456568c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:29:17, skipping insertion in model container [2024-02-07 19:29:17,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:29:17" (4/4) ... [2024-02-07 19:29:17,524 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-07 19:29:17,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:29:17,538 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2024-02-07 19:29:17,538 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:29:17,635 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:29:17,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 120 transitions, 252 flow [2024-02-07 19:29:17,720 INFO L124 PetriNetUnfolderBase]: 1/117 cut-off events. [2024-02-07 19:29:17,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:29:17,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 1/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 616 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2024-02-07 19:29:17,725 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 120 transitions, 252 flow [2024-02-07 19:29:17,731 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 117 transitions, 243 flow [2024-02-07 19:29:17,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:29:17,751 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;@3a70c8f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:29:17,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 139 error locations. [2024-02-07 19:29:17,753 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:29:17,754 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:29:17,754 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:29:17,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:29:17,754 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:29:17,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:29:17,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:29:17,760 INFO L85 PathProgramCache]: Analyzing trace with hash 27097, now seen corresponding path program 1 times [2024-02-07 19:29:17,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:29:17,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560934977] [2024-02-07 19:29:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:29:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:29:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:29:18,096 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 19:29:18,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:29:18,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560934977] [2024-02-07 19:29:18,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560934977] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:29:18,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:29:18,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:29:18,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813184073] [2024-02-07 19:29:18,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:29:18,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:29:18,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:29:18,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:29:18,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:29:18,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 120 [2024-02-07 19:29:18,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 117 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 19:29:18,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:29:18,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 120 [2024-02-07 19:29:18,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:29:31,265 INFO L124 PetriNetUnfolderBase]: 100277/153277 cut-off events. [2024-02-07 19:29:31,265 INFO L125 PetriNetUnfolderBase]: For 248/248 co-relation queries the response was YES. [2024-02-07 19:29:31,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293975 conditions, 153277 events. 100277/153277 cut-off events. For 248/248 co-relation queries the response was YES. Maximal size of possible extension queue 6975. Compared 1345389 event pairs, 65759 based on Foata normal form. 2178/71629 useless extension candidates. Maximal degree in co-relation 293962. Up to 139607 conditions per place. [2024-02-07 19:29:32,101 INFO L140 encePairwiseOnDemand]: 63/120 looper letters, 72 selfloop transitions, 6 changer transitions 0/88 dead transitions. [2024-02-07 19:29:32,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 88 transitions, 344 flow [2024-02-07 19:29:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:29:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:29:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-02-07 19:29:32,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5027777777777778 [2024-02-07 19:29:32,114 INFO L175 Difference]: Start difference. First operand has 126 places, 117 transitions, 243 flow. Second operand 3 states and 181 transitions. [2024-02-07 19:29:32,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 88 transitions, 344 flow [2024-02-07 19:29:32,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 88 transitions, 340 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:29:32,122 INFO L231 Difference]: Finished difference. Result has 85 places, 75 transitions, 192 flow [2024-02-07 19:29:32,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=85, PETRI_TRANSITIONS=75} [2024-02-07 19:29:32,127 INFO L281 CegarLoopForPetriNet]: 126 programPoint places, -41 predicate places. [2024-02-07 19:29:32,127 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 75 transitions, 192 flow [2024-02-07 19:29:32,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 19:29:32,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:29:32,127 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:29:32,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:29:32,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:29:32,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:29:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash 808256164, now seen corresponding path program 1 times [2024-02-07 19:29:32,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:29:32,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379947385] [2024-02-07 19:29:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:29:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:29:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:29:32,199 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 19:29:32,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:29:32,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379947385] [2024-02-07 19:29:32,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379947385] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:29:32,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:29:32,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:29:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65780896] [2024-02-07 19:29:32,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:29:32,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:29:32,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:29:32,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:29:32,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:29:32,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 120 [2024-02-07 19:29:32,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 75 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 19:29:32,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:29:32,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 120 [2024-02-07 19:29:32,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:29:44,183 INFO L124 PetriNetUnfolderBase]: 98497/139079 cut-off events. [2024-02-07 19:29:44,183 INFO L125 PetriNetUnfolderBase]: For 4606/4606 co-relation queries the response was YES. [2024-02-07 19:29:44,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308459 conditions, 139079 events. 98497/139079 cut-off events. For 4606/4606 co-relation queries the response was YES. Maximal size of possible extension queue 6898. Compared 1086765 event pairs, 12923 based on Foata normal form. 0/70705 useless extension candidates. Maximal degree in co-relation 308446. Up to 126457 conditions per place. [2024-02-07 19:29:44,973 INFO L140 encePairwiseOnDemand]: 116/120 looper letters, 111 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2024-02-07 19:29:44,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 123 transitions, 541 flow [2024-02-07 19:29:44,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:29:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:29:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2024-02-07 19:29:44,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4361111111111111 [2024-02-07 19:29:44,980 INFO L175 Difference]: Start difference. First operand has 85 places, 75 transitions, 192 flow. Second operand 3 states and 157 transitions. [2024-02-07 19:29:44,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 123 transitions, 541 flow [2024-02-07 19:29:44,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 123 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:29:44,984 INFO L231 Difference]: Finished difference. Result has 86 places, 75 transitions, 190 flow [2024-02-07 19:29:44,984 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=86, PETRI_TRANSITIONS=75} [2024-02-07 19:29:44,985 INFO L281 CegarLoopForPetriNet]: 126 programPoint places, -40 predicate places. [2024-02-07 19:29:44,985 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 75 transitions, 190 flow [2024-02-07 19:29:44,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 19:29:44,986 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:29:44,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:29:44,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:29:44,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:29:44,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:29:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash -658258961, now seen corresponding path program 1 times [2024-02-07 19:29:44,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:29:44,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288685178] [2024-02-07 19:29:44,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:29:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:29:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:29:45,184 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 19:29:45,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:29:45,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288685178] [2024-02-07 19:29:45,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288685178] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:29:45,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:29:45,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:29:45,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194120796] [2024-02-07 19:29:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:29:45,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:29:45,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:29:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:29:45,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:29:45,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 120 [2024-02-07 19:29:45,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 75 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 19:29:45,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:29:45,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 120 [2024-02-07 19:29:45,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand