./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix007.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/mix007.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix007.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix007.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-dev-958ec4d-m [2024-02-07 14:45:28,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:45:28,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:45:28,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:45:28,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:45:28,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:45:28,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:45:28,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:45:28,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:45:28,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:45:28,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:45:28,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:45:28,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:45:28,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:45:28,328 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:45:28,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:45:28,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:45:28,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:45:28,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:45:28,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:45:28,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:45:28,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:45:28,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:45:28,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:45:28,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:45:28,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:45:28,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:45:28,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:45:28,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:45:28,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:45:28,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:45:28,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:45:28,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:45:28,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:45:28,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:45:28,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:45:28,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:45:28,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:45:28,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:45:28,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:45:28,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:45:28,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:45:28,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:45:28,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:45:28,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:45:28,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:45:28,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:45:28,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:45:28,582 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:45:28,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix007.opt.i [2024-02-07 14:45:29,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:45:29,863 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:45:29,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix007.opt.i [2024-02-07 14:45:29,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d3af47c7/ab0e5c1c2f1349d6b2e81779d2f0eb19/FLAGe34fc0d48 [2024-02-07 14:45:29,888 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d3af47c7/ab0e5c1c2f1349d6b2e81779d2f0eb19 [2024-02-07 14:45:29,890 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:45:29,890 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:45:29,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix007.opt.yml/witness.yml [2024-02-07 14:45:30,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:45:30,027 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:45:30,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:45:30,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:45:30,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:45:30,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:45:29" (1/2) ... [2024-02-07 14:45:30,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b093c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:30, skipping insertion in model container [2024-02-07 14:45:30,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:45:29" (1/2) ... [2024-02-07 14:45:30,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f38fa6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:30, skipping insertion in model container [2024-02-07 14:45:30,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:45:30" (2/2) ... [2024-02-07 14:45:30,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b093c1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30, skipping insertion in model container [2024-02-07 14:45:30,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:45:30" (2/2) ... [2024-02-07 14:45:30,038 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:45:30,198 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:45:30,199 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:45:30,199 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:45:30,199 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:30,199 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:45:30,199 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] 1 <= __unbuffered_cnt [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] 1 <= __unbuffered_cnt [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,200 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] y == 1 [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] x == 1 [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] 0 <= __unbuffered_cnt [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] a == 1 [2024-02-07 14:45:30,201 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,202 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] 0 <= __unbuffered_cnt [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] y == 2 [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,203 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (y == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p0_EAX == 0 && ((__unbuffered_p2_EAX == 2 && ((__unbuffered_p2_EBX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EBX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p2_EBX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) || ((((((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2))) [2024-02-07 14:45:30,204 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] 0 <= __unbuffered_cnt [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:45:30,205 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L890-L890] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 0 <= __unbuffered_cnt [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] z$flush_delayed == (_Bool)0 [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,206 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] 1 <= __unbuffered_cnt [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,207 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] 0 <= __unbuffered_cnt [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:45:30,208 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] z$flush_delayed == (_Bool)0 [2024-02-07 14:45:30,209 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:30,209 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:45:30,209 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:45:30,209 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] 1 <= __unbuffered_cnt [2024-02-07 14:45:30,209 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:45:30,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:45:30,458 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/mix007.opt.i[944,957] [2024-02-07 14:45:30,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:45:30,647 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:45:30,677 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/mix007.opt.i[944,957] 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 14:45:30,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:45:30,817 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:45:30,818 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30 WrapperNode [2024-02-07 14:45:30,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:45:30,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:45:30,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:45:30,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:45:30,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,877 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 214 [2024-02-07 14:45:30,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:45:30,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:45:30,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:45:30,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:45:30,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,938 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:45:30,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:45:30,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:45:30,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:45:30,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:45:30,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (1/1) ... [2024-02-07 14:45:30,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:45:31,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:45:31,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:45:31,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:45:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:45:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:45:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:45:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:45:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:45:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:45:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:45:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:45:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:45:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:45:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:45:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:45:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:45:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:45:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:45:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:45:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:45:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:45:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:45:31,052 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:45:31,202 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:45:31,203 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:45:31,745 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:45:31,745 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:45:32,161 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:45:32,162 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:45:32,162 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:45:32 BoogieIcfgContainer [2024-02-07 14:45:32,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:45:32,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:45:32,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:45:32,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:45:32,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:45:29" (1/4) ... [2024-02-07 14:45:32,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5374bd91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:45:32, skipping insertion in model container [2024-02-07 14:45:32,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:45:30" (2/4) ... [2024-02-07 14:45:32,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5374bd91 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:45:32, skipping insertion in model container [2024-02-07 14:45:32,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:30" (3/4) ... [2024-02-07 14:45:32,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5374bd91 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:45:32, skipping insertion in model container [2024-02-07 14:45:32,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:45:32" (4/4) ... [2024-02-07 14:45:32,171 INFO L112 eAbstractionObserver]: Analyzing ICFG mix007.opt.i [2024-02-07 14:45:32,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:45:32,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2024-02-07 14:45:32,186 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:45:32,297 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:45:32,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 127 transitions, 270 flow [2024-02-07 14:45:32,401 INFO L124 PetriNetUnfolderBase]: 1/123 cut-off events. [2024-02-07 14:45:32,401 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:45:32,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 123 events. 1/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 669 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2024-02-07 14:45:32,406 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 127 transitions, 270 flow [2024-02-07 14:45:32,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 123 transitions, 258 flow [2024-02-07 14:45:32,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:45:32,430 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;@31b8d64c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:45:32,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2024-02-07 14:45:32,434 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:45:32,434 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:45:32,434 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:45:32,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:45:32,435 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:45:32,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 143 more)] === [2024-02-07 14:45:32,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:45:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash 27317388, now seen corresponding path program 1 times [2024-02-07 14:45:32,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:45:32,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72720379] [2024-02-07 14:45:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:45:32,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:45:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:45:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:45:32,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:45:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72720379] [2024-02-07 14:45:32,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72720379] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:45:32,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:45:32,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:45:32,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393923684] [2024-02-07 14:45:32,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:45:32,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:45:32,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:45:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:45:32,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:45:32,606 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 127 [2024-02-07 14:45:32,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 123 transitions, 258 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:45:32,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:45:32,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 127 [2024-02-07 14:45:32,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:45:46,517 INFO L124 PetriNetUnfolderBase]: 130971/189491 cut-off events. [2024-02-07 14:45:46,517 INFO L125 PetriNetUnfolderBase]: For 599/599 co-relation queries the response was YES. [2024-02-07 14:45:46,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361239 conditions, 189491 events. 130971/189491 cut-off events. For 599/599 co-relation queries the response was YES. Maximal size of possible extension queue 9055. Compared 1615596 event pairs, 130971 based on Foata normal form. 2940/108108 useless extension candidates. Maximal degree in co-relation 361227. Up to 170467 conditions per place. [2024-02-07 14:45:47,909 INFO L140 encePairwiseOnDemand]: 94/127 looper letters, 48 selfloop transitions, 0 changer transitions 0/62 dead transitions. [2024-02-07 14:45:47,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 62 transitions, 232 flow [2024-02-07 14:45:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:45:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:45:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 117 transitions. [2024-02-07 14:45:47,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46062992125984253 [2024-02-07 14:45:47,922 INFO L175 Difference]: Start difference. First operand has 135 places, 123 transitions, 258 flow. Second operand 2 states and 117 transitions. [2024-02-07 14:45:47,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 62 transitions, 232 flow [2024-02-07 14:45:47,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 62 transitions, 228 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:45:47,935 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 132 flow [2024-02-07 14:45:47,937 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-02-07 14:45:47,940 INFO L281 CegarLoopForPetriNet]: 135 programPoint places, -63 predicate places. [2024-02-07 14:45:47,940 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 132 flow [2024-02-07 14:45:47,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:45:47,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:45:47,941 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:45:47,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:45:47,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 143 more)] === [2024-02-07 14:45:47,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:45:47,942 INFO L85 PathProgramCache]: Analyzing trace with hash 846839993, now seen corresponding path program 1 times [2024-02-07 14:45:47,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:45:47,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53520501] [2024-02-07 14:45:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:45:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:45:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:45:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:45:48,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:45:48,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53520501] [2024-02-07 14:45:48,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53520501] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:45:48,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:45:48,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:45:48,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599918486] [2024-02-07 14:45:48,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:45:48,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:45:48,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:45:48,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:45:48,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:45:48,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 127 [2024-02-07 14:45:48,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:45:48,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:45:48,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 127 [2024-02-07 14:45:48,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:45:59,042 INFO L124 PetriNetUnfolderBase]: 127560/174518 cut-off events. [2024-02-07 14:45:59,042 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:45:59,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341878 conditions, 174518 events. 127560/174518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8826. Compared 1383979 event pairs, 17645 based on Foata normal form. 0/97993 useless extension candidates. Maximal degree in co-relation 341875. Up to 146576 conditions per place. [2024-02-07 14:46:00,095 INFO L140 encePairwiseOnDemand]: 124/127 looper letters, 84 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-02-07 14:46:00,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 100 transitions, 384 flow [2024-02-07 14:46:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:46:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:46:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-02-07 14:46:00,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3700787401574803 [2024-02-07 14:46:00,101 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 132 flow. Second operand 3 states and 141 transitions. [2024-02-07 14:46:00,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 100 transitions, 384 flow [2024-02-07 14:46:00,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 100 transitions, 384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:46:00,104 INFO L231 Difference]: Finished difference. Result has 75 places, 62 transitions, 140 flow [2024-02-07 14:46:00,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=75, PETRI_TRANSITIONS=62} [2024-02-07 14:46:00,105 INFO L281 CegarLoopForPetriNet]: 135 programPoint places, -60 predicate places. [2024-02-07 14:46:00,105 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 62 transitions, 140 flow [2024-02-07 14:46:00,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:00,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:00,106 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:46:00,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:46:00,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 143 more)] === [2024-02-07 14:46:00,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2064446236, now seen corresponding path program 1 times [2024-02-07 14:46:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:00,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130231503] [2024-02-07 14:46:00,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:00,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:00,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130231503] [2024-02-07 14:46:00,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130231503] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:00,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:00,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:00,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674474535] [2024-02-07 14:46:00,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:00,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:46:00,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:00,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:46:00,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:46:00,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 127 [2024-02-07 14:46:00,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 62 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:00,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:00,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 127 [2024-02-07 14:46:00,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand