./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 16:33:20,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 16:33:20,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 16:33:20,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 16:33:20,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 16:33:20,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 16:33:20,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 16:33:20,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 16:33:20,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 16:33:20,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 16:33:20,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 16:33:20,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 16:33:20,270 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 16:33:20,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 16:33:20,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 16:33:20,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 16:33:20,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 16:33:20,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 16:33:20,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 16:33:20,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 16:33:20,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 16:33:20,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 16:33:20,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 16:33:20,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 16:33:20,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 16:33:20,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 16:33:20,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 16:33:20,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 16:33:20,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 16:33:20,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 16:33:20,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:33:20,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 16:33:20,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 16:33:20,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 16:33:20,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 16:33:20,283 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 16:33:20,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 16:33:20,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 16:33:20,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 16:33:20,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 16:33:20,284 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 16:33:20,284 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 16:33:20,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 16:33:20,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 16:33:20,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 16:33:20,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 16:33:20,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 16:33:20,547 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 16:33:20,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-08-26 16:33:21,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 16:33:22,166 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 16:33:22,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-08-26 16:33:22,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ebf701225/d17cd5683736403db6ee60404f06ed7c/FLAGa7714dc55 [2024-08-26 16:33:22,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ebf701225/d17cd5683736403db6ee60404f06ed7c [2024-08-26 16:33:22,190 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 16:33:22,191 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 16:33:22,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml [2024-08-26 16:33:22,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 16:33:22,259 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 16:33:22,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 16:33:22,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 16:33:22,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 16:33:22,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:33:22" (1/2) ... [2024-08-26 16:33:22,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bda0a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:33:22, skipping insertion in model container [2024-08-26 16:33:22,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:33:22" (1/2) ... [2024-08-26 16:33:22,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c6f6deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:33:22, skipping insertion in model container [2024-08-26 16:33:22,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:33:22" (2/2) ... [2024-08-26 16:33:22,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bda0a1e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22, skipping insertion in model container [2024-08-26 16:33:22,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:33:22" (2/2) ... [2024-08-26 16:33:22,268 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 16:33:22,284 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 16:33:22,285 INFO L1541 ArrayList]: Location invariant before [L223-L223] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,285 INFO L1541 ArrayList]: Location invariant before [L222-L222] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,285 INFO L1541 ArrayList]: Location invariant before [L217-L217] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,285 INFO L1541 ArrayList]: Location invariant before [L224-L224] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,285 INFO L1541 ArrayList]: Location invariant before [L221-L221] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,286 INFO L1541 ArrayList]: Location invariant before [L219-L219] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,286 INFO L1541 ArrayList]: Location invariant before [L218-L218] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,286 INFO L1541 ArrayList]: Location invariant before [L220-L220] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-08-26 16:33:22,286 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 16:33:22,286 INFO L1541 ArrayList]: ghost_update [L216-L216] multithreaded = 1; [2024-08-26 16:33:22,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 16:33:22,529 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:33:22,547 INFO L202 MainTranslator]: Completed pre-run 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 [2024-08-26 16:33:22,717 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:33:22,745 INFO L206 MainTranslator]: Completed translation [2024-08-26 16:33:22,747 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22 WrapperNode [2024-08-26 16:33:22,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 16:33:22,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 16:33:22,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 16:33:22,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 16:33:22,756 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 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,773 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 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,832 INFO L138 Inliner]: procedures = 26, calls = 91, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 351 [2024-08-26 16:33:22,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 16:33:22,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 16:33:22,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 16:33:22,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 16:33:22,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 16:33:22,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 16:33:22,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 16:33:22,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 16:33:22,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (1/1) ... [2024-08-26 16:33:22,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:33:22,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:33:22,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-26 16:33:22,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-26 16:33:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 16:33:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-26 16:33:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-26 16:33:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-26 16:33:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-26 16:33:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-26 16:33:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-26 16:33:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-26 16:33:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-26 16:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 16:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-08-26 16:33:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-08-26 16:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-08-26 16:33:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-08-26 16:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-08-26 16:33:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-08-26 16:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-08-26 16:33:22,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-08-26 16:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-26 16:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-26 16:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 16:33:22,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 16:33:22,985 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 16:33:23,100 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 16:33:23,102 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 16:33:23,685 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 16:33:23,686 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 16:33:23,956 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 16:33:23,957 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 16:33:23,958 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:33:23 BoogieIcfgContainer [2024-08-26 16:33:23,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 16:33:23,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 16:33:23,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 16:33:23,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 16:33:23,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 04:33:22" (1/4) ... [2024-08-26 16:33:23,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f4b209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 04:33:23, skipping insertion in model container [2024-08-26 16:33:23,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:33:22" (2/4) ... [2024-08-26 16:33:23,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f4b209 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:33:23, skipping insertion in model container [2024-08-26 16:33:23,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:33:22" (3/4) ... [2024-08-26 16:33:23,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f4b209 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:33:23, skipping insertion in model container [2024-08-26 16:33:23,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:33:23" (4/4) ... [2024-08-26 16:33:23,969 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-08-26 16:33:23,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 16:33:23,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-08-26 16:33:23,990 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 16:33:24,084 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-08-26 16:33:24,129 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:33:24,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 16:33:24,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:33:24,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 16:33:24,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-26 16:33:24,167 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 16:33:24,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 16:33:24,210 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=PARTIAL_ORDER_FA, 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;@1a8a2a34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:33:24,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-08-26 16:33:24,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-08-26 16:33:24,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:33:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1409134282, now seen corresponding path program 1 times [2024-08-26 16:33:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:33:24,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960961502] [2024-08-26 16:33:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:33:24,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:33:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:33:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 16:33:25,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:33:25,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960961502] [2024-08-26 16:33:25,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960961502] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:33:25,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:33:25,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 16:33:25,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514722619] [2024-08-26 16:33:25,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:33:25,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 16:33:25,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:33:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 16:33:25,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-26 16:33:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:33:25,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:33:25,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-08-26 16:33:25,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:33:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 16:33:25,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 16:33:25,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-08-26 16:33:25,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:33:25,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1132901324, now seen corresponding path program 1 times [2024-08-26 16:33:25,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:33:25,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248039525] [2024-08-26 16:33:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:33:25,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:33:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:33:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 16:33:26,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:33:26,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248039525] [2024-08-26 16:33:26,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248039525] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:33:26,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:33:26,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-26 16:33:26,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142290872] [2024-08-26 16:33:26,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:33:26,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-26 16:33:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:33:26,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-26 16:33:26,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-08-26 16:33:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:33:26,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:33:26,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2024-08-26 16:33:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 16:33:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.