./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-array-sum.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/popl20-more-array-sum.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-array-sum.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 23:56:55,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 23:56:55,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 23:56:55,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 23:56:55,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 23:56:55,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 23:56:55,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 23:56:55,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 23:56:55,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 23:56:55,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 23:56:55,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 23:56:55,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 23:56:55,277 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 23:56:55,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 23:56:55,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 23:56:55,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 23:56:55,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 23:56:55,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 23:56:55,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 23:56:55,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 23:56:55,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 23:56:55,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 23:56:55,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 23:56:55,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 23:56:55,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 23:56:55,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 23:56:55,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 23:56:55,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 23:56:55,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 23:56:55,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 23:56:55,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 23:56:55,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 23:56:55,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 23:56:55,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 23:56:55,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 23:56:55,288 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 23:56:55,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 23:56:55,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 23:56:55,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 23:56:55,292 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 23:56:55,292 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 23:56:55,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 23:56:55,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 23:56:55,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 23:56:55,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 23:56:55,602 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 23:56:55,603 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 23:56:55,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-array-sum.wvr.yml/witness.yml [2024-09-22 23:56:55,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 23:56:55,676 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 23:56:55,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-09-22 23:56:57,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 23:56:57,297 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 23:56:57,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-09-22 23:56:57,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9d5a02428/12f457a1a6a446f7a17f9fbc40f3406a/FLAGd6934138c [2024-09-22 23:56:57,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9d5a02428/12f457a1a6a446f7a17f9fbc40f3406a [2024-09-22 23:56:57,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 23:56:57,685 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 23:56:57,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 23:56:57,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 23:56:57,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 23:56:57,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 11:56:55" (1/2) ... [2024-09-22 23:56:57,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de33cc0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 11:56:57, skipping insertion in model container [2024-09-22 23:56:57,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 11:56:55" (1/2) ... [2024-09-22 23:56:57,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f343a39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 11:56:57, skipping insertion in model container [2024-09-22 23:56:57,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 11:56:57" (2/2) ... [2024-09-22 23:56:57,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de33cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:57, skipping insertion in model container [2024-09-22 23:56:57,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 11:56:57" (2/2) ... [2024-09-22 23:56:57,711 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 23:56:57,712 INFO L1541 ArrayList]: Location invariant before [L99-L99] ! multithreaded || ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )res1 >= 0LL) && (4294967295LL + (long long )M) + (long long )res2 >= 0LL) && (2147483645LL - (long long )M) + (long long )N >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )res1 >= 0LL) && (2147483646LL + (long long )N) - (long long )res2 >= 0LL) && (3221225470LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )res1 >= 0LL) && (4294967294LL + (long long )M) - (long long )res2 >= 0LL) && (3221225469LL - (long long )M) - (long long )N >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 23:56:57,712 INFO L1541 ArrayList]: Location invariant before [L100-L100] ! multithreaded || ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )res1 >= 0LL) && (4294967295LL + (long long )M) + (long long )res2 >= 0LL) && (2147483645LL - (long long )M) + (long long )N >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )res1 >= 0LL) && (2147483646LL + (long long )N) - (long long )res2 >= 0LL) && (3221225470LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )res1 >= 0LL) && (4294967294LL + (long long )M) - (long long )res2 >= 0LL) && (3221225469LL - (long long )M) - (long long )N >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 23:56:57,712 INFO L1541 ArrayList]: Location invariant before [L101-L101] ! multithreaded || ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )res1 >= 0LL) && (4294967295LL + (long long )M) + (long long )res2 >= 0LL) && (2147483645LL - (long long )M) + (long long )N >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )res1 >= 0LL) && (2147483646LL + (long long )N) - (long long )res2 >= 0LL) && (3221225470LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )res1 >= 0LL) && (4294967294LL + (long long )M) - (long long )res2 >= 0LL) && (3221225469LL - (long long )M) - (long long )N >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 23:56:57,712 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 23:56:57,712 INFO L1541 ArrayList]: ghost_update [L98-L98] multithreaded = 1; [2024-09-22 23:56:57,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 23:56:57,892 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2874,2887] [2024-09-22 23:56:57,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 23:56:57,911 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 23:56:58,023 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2874,2887] [2024-09-22 23:56:58,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 23:56:58,051 INFO L204 MainTranslator]: Completed translation [2024-09-22 23:56:58,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58 WrapperNode [2024-09-22 23:56:58,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 23:56:58,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 23:56:58,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 23:56:58,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 23:56:58,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,123 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 285 [2024-09-22 23:56:58,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 23:56:58,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 23:56:58,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 23:56:58,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 23:56:58,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 23:56:58,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 23:56:58,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 23:56:58,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 23:56:58,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (1/1) ... [2024-09-22 23:56:58,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 23:56:58,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:56:58,207 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) [2024-09-22 23:56:58,211 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 [2024-09-22 23:56:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 23:56:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 23:56:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 23:56:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 23:56:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 23:56:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 23:56:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 23:56:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 23:56:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 23:56:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 23:56:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 23:56:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 23:56:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 23:56:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 23:56:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 23:56:58,253 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 23:56:58,353 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 23:56:58,355 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 23:56:58,816 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 23:56:58,816 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 23:56:59,218 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 23:56:59,219 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-22 23:56:59,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 11:56:59 BoogieIcfgContainer [2024-09-22 23:56:59,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 23:56:59,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 23:56:59,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 23:56:59,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 23:56:59,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 11:56:55" (1/4) ... [2024-09-22 23:56:59,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4909dc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 11:56:59, skipping insertion in model container [2024-09-22 23:56:59,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 11:56:57" (2/4) ... [2024-09-22 23:56:59,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4909dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 11:56:59, skipping insertion in model container [2024-09-22 23:56:59,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:56:58" (3/4) ... [2024-09-22 23:56:59,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4909dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 11:56:59, skipping insertion in model container [2024-09-22 23:56:59,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 11:56:59" (4/4) ... [2024-09-22 23:56:59,233 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-09-22 23:56:59,252 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 23:56:59,253 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-22 23:56:59,253 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 23:56:59,308 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-22 23:56:59,352 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 23:56:59,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 23:56:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:56:59,355 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) [2024-09-22 23:56:59,357 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 [2024-09-22 23:56:59,386 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 23:56:59,399 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 23:56:59,405 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@54ade1ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 23:56:59,407 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-22 23:56:59,519 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:56:59,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:56:59,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1197630093, now seen corresponding path program 1 times [2024-09-22 23:56:59,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:56:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781788391] [2024-09-22 23:56:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:56:59,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:56:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 23:57:00,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:00,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781788391] [2024-09-22 23:57:00,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781788391] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 23:57:00,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 23:57:00,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 23:57:00,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768363382] [2024-09-22 23:57:00,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 23:57:00,051 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 23:57:00,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:00,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 23:57:00,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 23:57:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:00,084 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:00,085 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-09-22 23:57:00,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:00,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:00,143 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 23:57:00,143 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:00,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:00,144 INFO L85 PathProgramCache]: Analyzing trace with hash 257280301, now seen corresponding path program 1 times [2024-09-22 23:57:00,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:00,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294151283] [2024-09-22 23:57:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:00,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 23:57:00,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:00,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294151283] [2024-09-22 23:57:00,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294151283] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:00,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494471874] [2024-09-22 23:57:00,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:00,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:00,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:00,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:00,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 23:57:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:00,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-22 23:57:00,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 23:57:00,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 23:57:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494471874] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:01,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:01,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-22 23:57:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042035611] [2024-09-22 23:57:01,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:01,762 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-22 23:57:01,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:01,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-22 23:57:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-09-22 23:57:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:01,765 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:01,765 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 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) [2024-09-22 23:57:01,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:02,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-22 23:57:02,524 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-22 23:57:02,524 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:02,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:02,525 INFO L85 PathProgramCache]: Analyzing trace with hash -426821490, now seen corresponding path program 1 times [2024-09-22 23:57:02,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:02,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974671119] [2024-09-22 23:57:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:02,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-22 23:57:02,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:02,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974671119] [2024-09-22 23:57:02,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974671119] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:02,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036126591] [2024-09-22 23:57:02,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:02,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:02,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:02,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 23:57:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:02,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 23:57:02,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-22 23:57:03,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-22 23:57:03,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036126591] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:03,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:03,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-09-22 23:57:03,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336992786] [2024-09-22 23:57:03,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:03,101 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-22 23:57:03,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:03,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-22 23:57:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-09-22 23:57:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:03,105 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:03,105 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 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) [2024-09-22 23:57:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:03,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-22 23:57:03,573 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:03,574 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:03,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:03,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1377001339, now seen corresponding path program 2 times [2024-09-22 23:57:03,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:03,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435477530] [2024-09-22 23:57:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 23:57:03,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:03,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435477530] [2024-09-22 23:57:03,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435477530] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:03,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324584829] [2024-09-22 23:57:03,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 23:57:03,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:03,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:03,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 23:57:03,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 23:57:03,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:03,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 23:57:03,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 23:57:04,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 23:57:04,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324584829] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:04,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:04,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-09-22 23:57:04,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180059913] [2024-09-22 23:57:04,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:04,167 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-22 23:57:04,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:04,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-22 23:57:04,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-09-22 23:57:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:04,169 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:04,170 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 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) [2024-09-22 23:57:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:04,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-22 23:57:04,602 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:04,602 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:04,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:04,603 INFO L85 PathProgramCache]: Analyzing trace with hash -123920668, now seen corresponding path program 3 times [2024-09-22 23:57:04,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:04,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434375651] [2024-09-22 23:57:04,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:04,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 23:57:04,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:04,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434375651] [2024-09-22 23:57:04,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434375651] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:04,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312494166] [2024-09-22 23:57:04,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 23:57:04,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:04,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:04,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 23:57:05,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-22 23:57:05,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:05,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-22 23:57:05,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 23:57:05,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 23:57:05,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312494166] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:05,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:05,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2024-09-22 23:57:05,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823761810] [2024-09-22 23:57:05,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:05,475 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-22 23:57:05,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-22 23:57:05,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-09-22 23:57:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:05,477 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:05,478 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 22 states have internal predecessors, (110), 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) [2024-09-22 23:57:05,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:05,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:05,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:05,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:05,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:05,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-22 23:57:05,879 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:05,880 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:05,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:05,880 INFO L85 PathProgramCache]: Analyzing trace with hash -760173180, now seen corresponding path program 4 times [2024-09-22 23:57:05,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:05,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194862968] [2024-09-22 23:57:05,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-22 23:57:06,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:06,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194862968] [2024-09-22 23:57:06,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194862968] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:06,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667238629] [2024-09-22 23:57:06,188 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 23:57:06,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:06,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:06,190 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:06,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 23:57:06,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 23:57:06,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:06,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 23:57:06,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-22 23:57:06,540 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-22 23:57:06,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667238629] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:06,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:06,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 26 [2024-09-22 23:57:06,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829378851] [2024-09-22 23:57:06,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:06,780 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-22 23:57:06,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:06,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-22 23:57:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2024-09-22 23:57:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:06,782 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:06,782 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.269230769230769) internal successors, (137), 26 states have internal predecessors, (137), 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) [2024-09-22 23:57:06,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:07,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-22 23:57:07,909 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:07,910 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:07,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:07,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1483180270, now seen corresponding path program 5 times [2024-09-22 23:57:07,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:07,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090910234] [2024-09-22 23:57:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 105 proven. 124 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 23:57:09,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:09,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090910234] [2024-09-22 23:57:09,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090910234] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:09,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312578721] [2024-09-22 23:57:09,153 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 23:57:09,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:09,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:09,155 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:09,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 23:57:09,340 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-09-22 23:57:09,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:09,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 23:57:09,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 168 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-09-22 23:57:09,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 168 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-09-22 23:57:09,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312578721] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:09,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:09,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 10, 10] total 43 [2024-09-22 23:57:09,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350504262] [2024-09-22 23:57:09,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:09,982 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-22 23:57:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:09,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-22 23:57:09,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=1618, Unknown=0, NotChecked=0, Total=1892 [2024-09-22 23:57:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:09,985 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:09,985 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.159090909090909) internal successors, (227), 43 states have internal predecessors, (227), 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) [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:09,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:10,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-22 23:57:10,536 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-22 23:57:10,536 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:10,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:10,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1054628082, now seen corresponding path program 6 times [2024-09-22 23:57:10,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:10,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006067610] [2024-09-22 23:57:10,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:10,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 105 proven. 128 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-22 23:57:11,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:11,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006067610] [2024-09-22 23:57:11,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006067610] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:11,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378799411] [2024-09-22 23:57:11,717 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 23:57:11,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:11,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:11,718 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:11,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 23:57:11,939 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-09-22 23:57:11,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:11,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-22 23:57:11,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 127 proven. 23 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-09-22 23:57:12,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 140 proven. 10 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-09-22 23:57:12,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378799411] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:12,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:12,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 13, 13] total 50 [2024-09-22 23:57:12,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735883529] [2024-09-22 23:57:12,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:12,783 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-09-22 23:57:12,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-09-22 23:57:12,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=2190, Unknown=0, NotChecked=0, Total=2550 [2024-09-22 23:57:12,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:12,786 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:12,786 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.098039215686274) internal successors, (209), 50 states have internal predecessors, (209), 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) [2024-09-22 23:57:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:13,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-22 23:57:13,370 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:13,370 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:13,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:13,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1913271726, now seen corresponding path program 7 times [2024-09-22 23:57:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:13,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898043779] [2024-09-22 23:57:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 194 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-09-22 23:57:13,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:13,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898043779] [2024-09-22 23:57:13,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898043779] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:13,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459510329] [2024-09-22 23:57:13,945 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 23:57:13,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:13,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:13,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:13,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 23:57:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:14,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-22 23:57:14,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 148 proven. 23 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-22 23:57:14,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 15 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-22 23:57:14,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459510329] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:14,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:14,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 40 [2024-09-22 23:57:14,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740202910] [2024-09-22 23:57:14,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:14,827 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-22 23:57:14,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:14,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-22 23:57:14,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1324, Unknown=0, NotChecked=0, Total=1640 [2024-09-22 23:57:14,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:14,829 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:14,830 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.926829268292683) internal successors, (202), 40 states have internal predecessors, (202), 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) [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:14,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:14,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:15,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-22 23:57:15,359 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:15,360 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:15,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:15,360 INFO L85 PathProgramCache]: Analyzing trace with hash -738380850, now seen corresponding path program 8 times [2024-09-22 23:57:15,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:15,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680319208] [2024-09-22 23:57:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:15,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 166 proven. 66 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-09-22 23:57:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:16,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680319208] [2024-09-22 23:57:16,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680319208] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:16,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942168557] [2024-09-22 23:57:16,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 23:57:16,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:16,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:16,075 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:16,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 23:57:16,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 23:57:16,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:16,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-22 23:57:16,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 157 proven. 42 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-22 23:57:16,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 178 proven. 21 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-22 23:57:17,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942168557] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:17,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:17,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 48 [2024-09-22 23:57:17,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332350516] [2024-09-22 23:57:17,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:17,199 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-09-22 23:57:17,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:17,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-09-22 23:57:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=1931, Unknown=0, NotChecked=0, Total=2352 [2024-09-22 23:57:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:17,201 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:17,202 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.551020408163265) internal successors, (223), 48 states have internal predecessors, (223), 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) [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:17,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-22 23:57:17,699 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-22 23:57:17,699 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:17,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1130791534, now seen corresponding path program 9 times [2024-09-22 23:57:17,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:17,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034327505] [2024-09-22 23:57:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:17,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 79 proven. 167 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-09-22 23:57:18,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034327505] [2024-09-22 23:57:18,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034327505] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:18,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609692770] [2024-09-22 23:57:18,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 23:57:18,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:18,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:18,356 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:18,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-22 23:57:18,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-22 23:57:18,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:18,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-22 23:57:18,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 219 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-22 23:57:19,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 219 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-22 23:57:19,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609692770] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:19,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:19,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 50 [2024-09-22 23:57:19,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711780270] [2024-09-22 23:57:19,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:19,720 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-09-22 23:57:19,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-09-22 23:57:19,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2212, Unknown=0, NotChecked=0, Total=2550 [2024-09-22 23:57:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:19,722 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:19,722 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 5.764705882352941) internal successors, (294), 50 states have internal predecessors, (294), 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) [2024-09-22 23:57:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:20,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-22 23:57:20,823 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:20,824 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:20,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:20,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2126511049, now seen corresponding path program 10 times [2024-09-22 23:57:20,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:20,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772104447] [2024-09-22 23:57:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:20,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 455 proven. 65 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-09-22 23:57:21,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:21,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772104447] [2024-09-22 23:57:21,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772104447] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:21,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460058063] [2024-09-22 23:57:21,716 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 23:57:21,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:21,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:21,720 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:21,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-22 23:57:21,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 23:57:21,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:21,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-22 23:57:21,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 103 proven. 388 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-09-22 23:57:22,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 351 proven. 140 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-09-22 23:57:23,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460058063] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:23,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:23,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 31, 24] total 72 [2024-09-22 23:57:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797145030] [2024-09-22 23:57:23,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:23,626 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-09-22 23:57:23,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:23,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-09-22 23:57:23,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=851, Invalid=4261, Unknown=0, NotChecked=0, Total=5112 [2024-09-22 23:57:23,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:23,629 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:23,630 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 5.222222222222222) internal successors, (376), 72 states have internal predecessors, (376), 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) [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:27,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-22 23:57:27,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-22 23:57:27,411 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:27,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:27,411 INFO L85 PathProgramCache]: Analyzing trace with hash -442537668, now seen corresponding path program 11 times [2024-09-22 23:57:27,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:27,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399754304] [2024-09-22 23:57:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:27,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 971 proven. 383 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-22 23:57:30,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:30,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399754304] [2024-09-22 23:57:30,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399754304] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:30,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999416875] [2024-09-22 23:57:30,670 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 23:57:30,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:30,671 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:30,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-22 23:57:39,418 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-09-22 23:57:39,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:39,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 23:57:39,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 1113 proven. 45 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-09-22 23:57:40,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 1113 proven. 45 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-09-22 23:57:41,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999416875] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:41,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:41,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 22, 22] total 99 [2024-09-22 23:57:41,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335290596] [2024-09-22 23:57:41,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:41,341 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-09-22 23:57:41,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:41,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-09-22 23:57:41,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1532, Invalid=8368, Unknown=0, NotChecked=0, Total=9900 [2024-09-22 23:57:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:41,345 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:41,345 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.93) internal successors, (493), 99 states have internal predecessors, (493), 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) [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:41,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:41,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:57:41,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-22 23:57:41,950 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-22 23:57:41,951 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:41,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:41,951 INFO L85 PathProgramCache]: Analyzing trace with hash -928348324, now seen corresponding path program 12 times [2024-09-22 23:57:41,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:41,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382980056] [2024-09-22 23:57:41,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:41,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1419 backedges. 971 proven. 393 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-22 23:57:44,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:44,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382980056] [2024-09-22 23:57:44,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382980056] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:44,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044256133] [2024-09-22 23:57:44,946 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 23:57:44,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:44,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:44,947 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:44,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-22 23:57:46,168 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-09-22 23:57:46,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:46,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-22 23:57:46,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1419 backedges. 1288 proven. 55 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-09-22 23:57:47,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1419 backedges. 1288 proven. 55 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-09-22 23:57:48,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044256133] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:48,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:48,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 27, 27] total 111 [2024-09-22 23:57:48,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053348891] [2024-09-22 23:57:48,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:48,901 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-09-22 23:57:48,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:48,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-09-22 23:57:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1894, Invalid=10538, Unknown=0, NotChecked=0, Total=12432 [2024-09-22 23:57:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:48,907 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:48,908 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 5.241071428571429) internal successors, (587), 111 states have internal predecessors, (587), 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) [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:48,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:57:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:57:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:57:49,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-22 23:57:49,563 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-22 23:57:49,563 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:49,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash 667198140, now seen corresponding path program 13 times [2024-09-22 23:57:49,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:49,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967204764] [2024-09-22 23:57:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:49,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 971 proven. 429 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-09-22 23:57:52,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:52,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967204764] [2024-09-22 23:57:52,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967204764] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:52,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651822109] [2024-09-22 23:57:52,863 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 23:57:52,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:52,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:52,865 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:52,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-22 23:57:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:53,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-22 23:57:53,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 900 proven. 115 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-09-22 23:57:54,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:57:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 924 proven. 91 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-09-22 23:57:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651822109] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:57:56,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:57:56,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 31, 31] total 121 [2024-09-22 23:57:56,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868009373] [2024-09-22 23:57:56,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:57:56,217 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-09-22 23:57:56,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:57:56,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-09-22 23:57:56,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2199, Invalid=12563, Unknown=0, NotChecked=0, Total=14762 [2024-09-22 23:57:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:56,222 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:57:56,223 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 3.639344262295082) internal successors, (444), 121 states have internal predecessors, (444), 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) [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:57:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:57:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:57:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:57:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:57:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:57:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:57:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:57:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:57:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:57:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:57:56,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-22 23:57:56,729 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:56,729 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:57:56,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:57:56,730 INFO L85 PathProgramCache]: Analyzing trace with hash -343310116, now seen corresponding path program 14 times [2024-09-22 23:57:56,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:57:56,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141305852] [2024-09-22 23:57:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:57:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:57:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:57:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1519 backedges. 1172 proven. 222 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-09-22 23:57:58,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:57:58,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141305852] [2024-09-22 23:57:58,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141305852] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:57:58,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581674755] [2024-09-22 23:57:58,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 23:57:58,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:57:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:57:58,116 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:57:58,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-22 23:57:58,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 23:57:58,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:57:58,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-22 23:57:58,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:57:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1519 backedges. 930 proven. 158 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2024-09-22 23:57:59,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:58:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1519 backedges. 983 proven. 105 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2024-09-22 23:58:00,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581674755] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:58:00,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:58:00,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 96 [2024-09-22 23:58:00,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991178274] [2024-09-22 23:58:00,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:58:00,793 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-09-22 23:58:00,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:58:00,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-09-22 23:58:00,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1633, Invalid=7679, Unknown=0, NotChecked=0, Total=9312 [2024-09-22 23:58:00,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:58:00,798 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:58:00,798 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.525773195876289) internal successors, (439), 96 states have internal predecessors, (439), 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) [2024-09-22 23:58:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:58:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:00,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:58:00,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:58:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:58:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:58:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:01,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-09-22 23:58:01,433 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-22 23:58:01,434 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:58:01,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:58:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash 881176444, now seen corresponding path program 15 times [2024-09-22 23:58:01,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:58:01,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289593013] [2024-09-22 23:58:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:58:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:58:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:58:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1101 proven. 328 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-09-22 23:58:03,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:58:03,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289593013] [2024-09-22 23:58:03,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289593013] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:58:03,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616988317] [2024-09-22 23:58:03,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 23:58:03,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:58:03,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:58:03,730 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:58:03,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-22 23:58:07,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-09-22 23:58:07,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:58:07,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-22 23:58:07,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:58:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1299 proven. 120 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-09-22 23:58:08,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:58:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1299 proven. 120 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-09-22 23:58:10,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616988317] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:58:10,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:58:10,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 34, 34] total 113 [2024-09-22 23:58:10,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220153886] [2024-09-22 23:58:10,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:58:10,345 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-09-22 23:58:10,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:58:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-09-22 23:58:10,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1739, Invalid=11143, Unknown=0, NotChecked=0, Total=12882 [2024-09-22 23:58:10,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:58:10,349 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:58:10,349 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 5.482456140350878) internal successors, (625), 113 states have internal predecessors, (625), 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) [2024-09-22 23:58:10,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:10,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:58:10,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:58:10,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:58:10,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:10,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:58:10,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:10,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:58:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:58:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 23:58:10,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-22 23:58:10,964 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-22 23:58:10,964 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:58:10,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:58:10,965 INFO L85 PathProgramCache]: Analyzing trace with hash 721776028, now seen corresponding path program 16 times [2024-09-22 23:58:10,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:58:10,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372083597] [2024-09-22 23:58:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:58:10,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:58:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:58:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 278 proven. 1162 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-09-22 23:58:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:58:12,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372083597] [2024-09-22 23:58:12,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372083597] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:58:12,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353295313] [2024-09-22 23:58:12,329 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 23:58:12,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:58:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:58:12,330 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:58:12,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-22 23:58:12,519 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 23:58:12,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:58:12,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-22 23:58:12,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:58:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 173 proven. 1131 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-09-22 23:58:14,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:58:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 829 proven. 475 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-09-22 23:58:15,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353295313] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:58:15,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:58:15,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 48, 36] total 115 [2024-09-22 23:58:15,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396568472] [2024-09-22 23:58:15,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:58:15,937 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-09-22 23:58:15,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:58:15,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-09-22 23:58:15,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2111, Invalid=10999, Unknown=0, NotChecked=0, Total=13110 [2024-09-22 23:58:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:58:15,943 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:58:15,943 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.147826086956521) internal successors, (592), 115 states have internal predecessors, (592), 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) [2024-09-22 23:58:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:58:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:58:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:58:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 23:58:15,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:58:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:58:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 23:58:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-09-22 23:58:25,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-22 23:58:25,672 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-22 23:58:25,672 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 23:58:25,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:58:25,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1870943813, now seen corresponding path program 17 times [2024-09-22 23:58:25,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:58:25,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800449093] [2024-09-22 23:58:25,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:58:25,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:58:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:58:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 4067 proven. 693 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-09-22 23:58:34,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:58:34,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800449093] [2024-09-22 23:58:34,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800449093] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 23:58:34,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464745013] [2024-09-22 23:58:34,087 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 23:58:34,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 23:58:34,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:58:34,088 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 23:58:34,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-22 23:59:40,631 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2024-09-22 23:59:40,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 23:59:40,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 1915 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-09-22 23:59:40,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 23:59:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4624 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-09-22 23:59:45,611 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 23:59:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 30 proven. 4594 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-09-22 23:59:51,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464745013] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 23:59:51,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 23:59:51,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 65, 63] total 230 [2024-09-22 23:59:51,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841074558] [2024-09-22 23:59:51,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 23:59:51,336 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2024-09-22 23:59:51,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:59:51,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2024-09-22 23:59:51,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6444, Invalid=46226, Unknown=0, NotChecked=0, Total=52670 [2024-09-22 23:59:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:59:51,343 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:59:51,344 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 4.739130434782608) internal successors, (1090), 230 states have internal predecessors, (1090), 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) [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 23:59:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 23:59:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2024-09-22 23:59:51,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:00:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:00:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:00:32,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-09-23 00:00:32,198 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:00:32,199 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-23 00:00:32,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:00:32,199 INFO L85 PathProgramCache]: Analyzing trace with hash 727511031, now seen corresponding path program 18 times [2024-09-23 00:00:32,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:00:32,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228798313] [2024-09-23 00:00:32,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:00:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:00:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:01:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22216 backedges. 20427 proven. 1636 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-09-23 00:01:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:01:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228798313] [2024-09-23 00:01:08,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228798313] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:01:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890276232] [2024-09-23 00:01:08,978 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-23 00:01:08,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:01:08,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:01:08,980 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:01:08,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-23 00:07:20,781 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 50 check-sat command(s) [2024-09-23 00:07:20,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 00:07:21,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 3004 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-09-23 00:07:21,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:07:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22216 backedges. 15503 proven. 153 refuted. 0 times theorem prover too weak. 6560 trivial. 0 not checked. [2024-09-23 00:07:27,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:07:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 22216 backedges. 15503 proven. 153 refuted. 0 times theorem prover too weak. 6560 trivial. 0 not checked. [2024-09-23 00:07:32,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890276232] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:07:32,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:07:32,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [204, 49, 49] total 299 [2024-09-23 00:07:32,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127027799] [2024-09-23 00:07:32,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:07:32,612 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 300 states [2024-09-23 00:07:32,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:07:32,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 300 interpolants. [2024-09-23 00:07:32,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19323, Invalid=70377, Unknown=0, NotChecked=0, Total=89700 [2024-09-23 00:07:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:07:32,632 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:07:32,633 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 300 states, 300 states have (on average 5.066666666666666) internal successors, (1520), 299 states have internal predecessors, (1520), 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) [2024-09-23 00:07:32,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:07:32,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:07:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:07:32,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:07:32,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:07:32,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:07:32,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:07:32,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:07:32,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:07:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:07:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:07:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 00:07:33,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-09-23 00:07:33,599 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-09-23 00:07:33,599 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-23 00:07:33,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:07:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash -419545641, now seen corresponding path program 19 times [2024-09-23 00:07:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:07:33,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480470664] [2024-09-23 00:07:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:07:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:07:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:08:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 22722 backedges. 20427 proven. 1889 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-09-23 00:08:12,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:08:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480470664] [2024-09-23 00:08:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480470664] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:08:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803293643] [2024-09-23 00:08:12,941 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-23 00:08:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:08:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:08:12,944 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:08:12,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-23 00:08:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:08:13,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 3797 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-09-23 00:08:13,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:08:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22722 backedges. 9098 proven. 515 refuted. 0 times theorem prover too weak. 13109 trivial. 0 not checked. [2024-09-23 00:08:20,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:08:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22722 backedges. 9207 proven. 406 refuted. 0 times theorem prover too weak. 13109 trivial. 0 not checked. [2024-09-23 00:08:28,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803293643] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:08:28,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:08:28,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [215, 61, 61] total 333 [2024-09-23 00:08:28,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935501141] [2024-09-23 00:08:28,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:08:28,647 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2024-09-23 00:08:28,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:08:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2024-09-23 00:08:28,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20940, Invalid=90282, Unknown=0, NotChecked=0, Total=111222 [2024-09-23 00:08:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:08:28,657 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:08:28,658 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 334 states, 334 states have (on average 3.655688622754491) internal successors, (1221), 333 states have internal predecessors, (1221), 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) [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:08:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 00:08:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:08:29,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 00:08:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-23 00:08:29,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-09-23 00:08:29,650 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:08:29,650 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-23 00:08:29,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:08:29,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1953833865, now seen corresponding path program 20 times [2024-09-23 00:08:29,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:08:29,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998806237] [2024-09-23 00:08:29,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:08:29,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:08:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:09:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22780 backedges. 20427 proven. 1918 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-09-23 00:09:08,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:09:08,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998806237] [2024-09-23 00:09:08,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998806237] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:09:08,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524429462] [2024-09-23 00:09:08,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 00:09:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:09:08,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:09:08,520 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:09:08,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-23 00:09:09,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 00:09:09,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 00:09:09,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 3815 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-09-23 00:09:09,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:09:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22780 backedges. 9337 proven. 491 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2024-09-23 00:09:16,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:09:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22780 backedges. 9393 proven. 435 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2024-09-23 00:09:24,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524429462] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:09:24,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:09:24,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [216, 63, 63] total 338 [2024-09-23 00:09:24,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622572857] [2024-09-23 00:09:24,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:09:24,650 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 339 states [2024-09-23 00:09:24,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:09:24,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 339 interpolants. [2024-09-23 00:09:24,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21316, Invalid=93266, Unknown=0, NotChecked=0, Total=114582 [2024-09-23 00:09:24,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:09:24,662 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:09:24,663 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 339 states, 339 states have (on average 3.634218289085546) internal successors, (1232), 338 states have internal predecessors, (1232), 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) [2024-09-23 00:09:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:09:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:09:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:09:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:09:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:09:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-23 00:09:24,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-23 00:09:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-09-23 00:09:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-09-23 00:09:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 00:09:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-23 00:09:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 00:09:25,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-09-23 00:09:25,757 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-23 00:09:25,758 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-23 00:09:25,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:09:25,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2110641513, now seen corresponding path program 21 times [2024-09-23 00:09:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:09:25,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766082676] [2024-09-23 00:09:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:09:25,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:09:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:10:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 22840 backedges. 20427 proven. 1948 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-09-23 00:10:04,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:10:04,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766082676] [2024-09-23 00:10:04,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766082676] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:10:04,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062612022] [2024-09-23 00:10:04,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 00:10:04,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:10:04,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:10:04,355 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:10:04,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process Killed by 15