./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.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-bad-dot-product-alt.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-bad-dot-product-alt.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-dot-product-alt.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 18:11:18,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 18:11:18,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 18:11:18,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 18:11:18,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 18:11:18,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 18:11:18,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 18:11:18,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 18:11:18,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 18:11:18,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 18:11:18,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 18:11:18,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 18:11:18,918 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 18:11:18,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 18:11:18,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 18:11:18,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 18:11:18,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 18:11:18,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 18:11:18,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 18:11:18,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 18:11:18,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 18:11:18,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 18:11:18,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 18:11:18,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 18:11:18,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 18:11:18,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 18:11:18,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 18:11:18,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 18:11:18,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 18:11:18,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 18:11:18,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:11:18,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 18:11:18,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 18:11:18,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 18:11:18,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 18:11:18,930 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 18:11:18,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 18:11:18,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 18:11:18,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 18:11:18,931 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 18:11:18,931 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 18:11:18,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 18:11:19,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 18:11:19,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 18:11:19,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 18:11:19,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 18:11:19,240 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 18:11:19,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-09-22 18:11:20,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 18:11:20,875 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 18:11:20,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-09-22 18:11:20,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/991b7e63b/6661f88aa44d406c9ae37d2ae2075208/FLAG66714905b [2024-09-22 18:11:20,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/991b7e63b/6661f88aa44d406c9ae37d2ae2075208 [2024-09-22 18:11:20,897 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 18:11:20,897 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 18:11:20,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-dot-product-alt.wvr.yml/witness.yml [2024-09-22 18:11:20,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 18:11:20,962 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 18:11:20,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 18:11:20,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 18:11:20,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 18:11:20,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:11:20" (1/2) ... [2024-09-22 18:11:20,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bf80c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:11:20, skipping insertion in model container [2024-09-22 18:11:20,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:11:20" (1/2) ... [2024-09-22 18:11:20,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@745c2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:11:20, skipping insertion in model container [2024-09-22 18:11:20,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:11:20" (2/2) ... [2024-09-22 18:11:20,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bf80c6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:20, skipping insertion in model container [2024-09-22 18:11:20,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:11:20" (2/2) ... [2024-09-22 18:11:20,982 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 18:11:20,982 INFO L1541 ArrayList]: Location invariant before [L104-L104] ! multithreaded || ((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )maxA >= 0LL) && (2147483647LL + (long long )N) + (long long )maxB >= 0LL) && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )maxA >= 0LL) && (4294967295LL + (long long )M) + (long long )maxB >= 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) && (2147483648LL - (long long )maxA) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )maxA >= 0LL) && (3221225471LL - (long long )N) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )maxA >= 0LL) && (4294967294LL - (long long )M) + (long long )maxB >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )maxA >= 0LL) && (2147483646LL + (long long )N) - (long long )maxB >= 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 )maxA >= 0LL) && (4294967294LL + (long long )M) - (long long )maxB >= 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 )maxA >= 0LL) && (3221225470LL - (long long )N) - (long long )maxB >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (3221225470LL - (long long )maxA) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )maxA >= 0LL) && (4294967293LL - (long long )M) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 18:11:20,982 INFO L1541 ArrayList]: Location invariant before [L103-L103] ! multithreaded || ((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )maxA >= 0LL) && (2147483647LL + (long long )N) + (long long )maxB >= 0LL) && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )maxA >= 0LL) && (4294967295LL + (long long )M) + (long long )maxB >= 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) && (2147483648LL - (long long )maxA) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )maxA >= 0LL) && (3221225471LL - (long long )N) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )maxA >= 0LL) && (4294967294LL - (long long )M) + (long long )maxB >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )maxA >= 0LL) && (2147483646LL + (long long )N) - (long long )maxB >= 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 )maxA >= 0LL) && (4294967294LL + (long long )M) - (long long )maxB >= 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 )maxA >= 0LL) && (3221225470LL - (long long )N) - (long long )maxB >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (3221225470LL - (long long )maxA) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )maxA >= 0LL) && (4294967293LL - (long long )M) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 18:11:20,982 INFO L1541 ArrayList]: Location invariant before [L105-L105] ! multithreaded || ((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )maxA >= 0LL) && (2147483647LL + (long long )N) + (long long )maxB >= 0LL) && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )maxA >= 0LL) && (4294967295LL + (long long )M) + (long long )maxB >= 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) && (2147483648LL - (long long )maxA) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )maxA >= 0LL) && (3221225471LL - (long long )N) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )maxA >= 0LL) && (4294967294LL - (long long )M) + (long long )maxB >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )maxA >= 0LL) && (2147483646LL + (long long )N) - (long long )maxB >= 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 )maxA >= 0LL) && (4294967294LL + (long long )M) - (long long )maxB >= 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 )maxA >= 0LL) && (3221225470LL - (long long )N) - (long long )maxB >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (3221225470LL - (long long )maxA) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )maxA >= 0LL) && (4294967293LL - (long long )M) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 18:11:20,983 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 18:11:20,983 INFO L1541 ArrayList]: ghost_update [L102-L102] multithreaded = 1; [2024-09-22 18:11:21,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 18:11:21,188 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-bad-dot-product-alt.wvr.c[3221,3234] [2024-09-22 18:11:21,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:11:21,210 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 18:11:21,328 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-bad-dot-product-alt.wvr.c[3221,3234] [2024-09-22 18:11:21,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:11:21,381 INFO L204 MainTranslator]: Completed translation [2024-09-22 18:11:21,381 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21 WrapperNode [2024-09-22 18:11:21,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 18:11:21,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 18:11:21,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 18:11:21,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 18:11:21,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,488 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 369 [2024-09-22 18:11:21,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 18:11:21,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 18:11:21,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 18:11:21,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 18:11:21,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 18:11:21,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 18:11:21,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 18:11:21,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 18:11:21,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (1/1) ... [2024-09-22 18:11:21,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:11:21,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:21,603 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 18:11:21,605 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 18:11:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 18:11:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-09-22 18:11:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 18:11:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 18:11:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-09-22 18:11:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 18:11:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 18:11:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 18:11:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 18:11:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 18:11:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 18:11:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 18:11:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 18:11:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 18:11:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 18:11:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 18:11:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 18:11:21,656 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 18:11:21,766 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 18:11:21,768 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 18:11:22,337 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 18:11:22,337 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 18:11:22,760 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 18:11:22,763 INFO L318 CfgBuilder]: Removed 7 assume(true) statements. [2024-09-22 18:11:22,764 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:11:22 BoogieIcfgContainer [2024-09-22 18:11:22,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 18:11:22,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 18:11:22,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 18:11:22,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 18:11:22,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 06:11:20" (1/4) ... [2024-09-22 18:11:22,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69996582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:11:22, skipping insertion in model container [2024-09-22 18:11:22,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:11:20" (2/4) ... [2024-09-22 18:11:22,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69996582 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:11:22, skipping insertion in model container [2024-09-22 18:11:22,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:11:21" (3/4) ... [2024-09-22 18:11:22,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69996582 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:11:22, skipping insertion in model container [2024-09-22 18:11:22,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:11:22" (4/4) ... [2024-09-22 18:11:22,775 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-09-22 18:11:22,791 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 18:11:22,792 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-22 18:11:22,792 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 18:11:22,874 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-22 18:11:22,964 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:11:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 18:11:22,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:22,967 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 18:11:22,970 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 18:11:23,005 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 18:11:23,018 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 18:11:23,026 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;@3eb29fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:11:23,027 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-22 18:11:23,165 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 18:11:23,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:23,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1166439156, now seen corresponding path program 1 times [2024-09-22 18:11:23,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:23,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574179320] [2024-09-22 18:11:23,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:23,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:23,628 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 18:11:23,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:23,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574179320] [2024-09-22 18:11:23,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574179320] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:11:23,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:11:23,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 18:11:23,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368248509] [2024-09-22 18:11:23,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:11:23,636 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:11:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:23,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:11:23,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 18:11:23,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:23,665 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:23,666 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 18:11:23,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:23,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:23,748 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 18:11:23,748 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 18:11:23,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:23,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1023401376, now seen corresponding path program 1 times [2024-09-22 18:11:23,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:23,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948154911] [2024-09-22 18:11:23,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:23,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:24,823 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 18:11:24,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:24,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948154911] [2024-09-22 18:11:24,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948154911] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:24,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211283418] [2024-09-22 18:11:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:24,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:24,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:24,827 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 18:11:24,829 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 18:11:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:24,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-22 18:11:24,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:25,265 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 18:11:25,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:27,048 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 18:11:27,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211283418] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:27,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:27,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-09-22 18:11:27,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343678221] [2024-09-22 18:11:27,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:27,052 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-22 18:11:27,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:27,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-22 18:11:27,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-09-22 18:11:27,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:27,056 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:27,056 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 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 18:11:27,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:27,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:27,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-22 18:11:27,929 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 18:11:27,930 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:11:27,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash -444106742, now seen corresponding path program 1 times [2024-09-22 18:11:27,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:27,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650556653] [2024-09-22 18:11:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:28,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:28,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650556653] [2024-09-22 18:11:28,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650556653] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:28,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781489319] [2024-09-22 18:11:28,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:28,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:28,132 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 18:11:28,134 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 18:11:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:28,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 18:11:28,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:28,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:28,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781489319] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:28,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:28,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-09-22 18:11:28,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983453242] [2024-09-22 18:11:28,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:28,387 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-22 18:11:28,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:28,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-22 18:11:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-09-22 18:11:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:28,388 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:28,389 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 14 states have internal predecessors, (26), 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 18:11:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:28,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-22 18:11:28,700 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 18:11:28,701 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:11:28,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:28,701 INFO L85 PathProgramCache]: Analyzing trace with hash 540271519, now seen corresponding path program 2 times [2024-09-22 18:11:28,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:28,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488784201] [2024-09-22 18:11:28,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:28,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-22 18:11:29,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488784201] [2024-09-22 18:11:29,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488784201] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:29,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768713004] [2024-09-22 18:11:29,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:11:29,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:29,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:29,793 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 18:11:29,795 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 18:11:29,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:11:29,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:29,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-22 18:11:29,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-22 18:11:30,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-22 18:11:32,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768713004] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:32,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 24 [2024-09-22 18:11:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756401546] [2024-09-22 18:11:32,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:32,160 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-22 18:11:32,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:32,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-22 18:11:32,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2024-09-22 18:11:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:32,162 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:32,162 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.68) internal successors, (42), 25 states have internal predecessors, (42), 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 18:11:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:32,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:33,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:33,804 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 18:11:33,804 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:11:33,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:33,805 INFO L85 PathProgramCache]: Analyzing trace with hash 380925370, now seen corresponding path program 1 times [2024-09-22 18:11:33,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:33,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424354923] [2024-09-22 18:11:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 18:11:33,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:33,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424354923] [2024-09-22 18:11:33,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424354923] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:33,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533911534] [2024-09-22 18:11:33,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:33,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:33,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:33,998 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 18:11:34,000 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 18:11:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:34,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 18:11:34,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 18:11:34,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 18:11:34,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533911534] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:34,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:34,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-09-22 18:11:34,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164508335] [2024-09-22 18:11:34,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:34,342 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-22 18:11:34,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-22 18:11:34,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-09-22 18:11:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:34,343 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:34,344 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 states have internal predecessors, (31), 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 18:11:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:34,484 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 18:11:34,670 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 18:11:34,670 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:11:34,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:34,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1792098147, now seen corresponding path program 2 times [2024-09-22 18:11:34,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:34,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750771573] [2024-09-22 18:11:34,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:34,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:11:35,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:35,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750771573] [2024-09-22 18:11:35,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750771573] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:35,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983305747] [2024-09-22 18:11:35,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:11:35,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:35,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:35,715 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 18:11:35,717 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 18:11:35,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:11:35,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:35,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-22 18:11:35,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:11:36,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:11:38,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983305747] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:38,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:38,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 30 [2024-09-22 18:11:38,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628836980] [2024-09-22 18:11:38,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:38,299 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-22 18:11:38,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:38,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-22 18:11:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2024-09-22 18:11:38,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:38,301 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:38,301 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:11:38,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:38,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:38,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:38,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:38,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:38,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:39,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-22 18:11:39,677 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 18:11:39,677 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:11:39,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:39,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1149912455, now seen corresponding path program 3 times [2024-09-22 18:11:39,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:39,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58890204] [2024-09-22 18:11:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:39,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:11:39,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:39,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58890204] [2024-09-22 18:11:39,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58890204] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:39,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308234920] [2024-09-22 18:11:39,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:11:39,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:39,968 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 18:11:39,971 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 18:11:40,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-22 18:11:40,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:40,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-22 18:11:40,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-22 18:11:40,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-22 18:11:42,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308234920] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:42,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:11:42,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 4] total 19 [2024-09-22 18:11:42,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396112658] [2024-09-22 18:11:42,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:11:42,085 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-22 18:11:42,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:42,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-22 18:11:42,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2024-09-22 18:11:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:42,087 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:42,087 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 18:11:42,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:42,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:42,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:42,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:42,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:42,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:42,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:43,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:43,322 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 18:11:43,322 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 18:11:43,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:43,322 INFO L85 PathProgramCache]: Analyzing trace with hash -162809189, now seen corresponding path program 1 times [2024-09-22 18:11:43,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:43,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556419203] [2024-09-22 18:11:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:43,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-22 18:11:43,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:43,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556419203] [2024-09-22 18:11:43,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556419203] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:11:43,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:11:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 18:11:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641600531] [2024-09-22 18:11:43,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:11:43,485 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 18:11:43,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:43,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 18:11:43,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 18:11:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:43,486 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:43,486 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 18:11:43,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:43,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:43,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:43,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:43,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:43,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:43,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:43,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:43,662 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-22 18:11:43,663 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 18:11:43,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:43,663 INFO L85 PathProgramCache]: Analyzing trace with hash -605246716, now seen corresponding path program 1 times [2024-09-22 18:11:43,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:43,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475505184] [2024-09-22 18:11:43,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:43,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-22 18:11:43,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475505184] [2024-09-22 18:11:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475505184] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706802272] [2024-09-22 18:11:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:43,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:43,877 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 18:11:43,878 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 18:11:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:44,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-22 18:11:44,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-22 18:11:44,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-22 18:11:44,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706802272] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:44,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:44,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 10] total 21 [2024-09-22 18:11:44,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249847467] [2024-09-22 18:11:44,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:44,235 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-22 18:11:44,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:44,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-22 18:11:44,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-09-22 18:11:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:44,236 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:44,236 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 21 states have internal predecessors, (76), 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 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:44,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:44,673 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 18:11:44,855 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:44,856 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 18:11:44,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:44,857 INFO L85 PathProgramCache]: Analyzing trace with hash 76758177, now seen corresponding path program 1 times [2024-09-22 18:11:44,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:44,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380732232] [2024-09-22 18:11:44,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-22 18:11:45,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:45,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380732232] [2024-09-22 18:11:45,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380732232] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:45,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042190893] [2024-09-22 18:11:45,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:45,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:45,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:45,153 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 18:11:45,155 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 18:11:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:45,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 18:11:45,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 18:11:45,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 18:11:45,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042190893] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:45,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:45,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2024-09-22 18:11:45,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204312238] [2024-09-22 18:11:45,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:45,444 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-22 18:11:45,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:45,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-22 18:11:45,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-09-22 18:11:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:45,446 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:45,446 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.8) internal successors, (72), 15 states have internal predecessors, (72), 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 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:45,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:45,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:45,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:45,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:45,838 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 18:11:46,025 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-22 18:11:46,026 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 18:11:46,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1328285938, now seen corresponding path program 2 times [2024-09-22 18:11:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:46,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730027770] [2024-09-22 18:11:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-22 18:11:46,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:46,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730027770] [2024-09-22 18:11:46,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730027770] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:46,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444610773] [2024-09-22 18:11:46,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:11:46,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:46,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:46,275 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 18:11:46,276 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 18:11:46,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:11:46,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:46,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-22 18:11:46,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-22 18:11:46,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:11:46,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444610773] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:11:46,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:11:46,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-09-22 18:11:46,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421024173] [2024-09-22 18:11:46,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:11:46,571 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:11:46,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:46,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:11:46,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-22 18:11:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:46,572 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:46,572 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:46,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:46,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-22 18:11:46,923 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,SelfDestructingSolverStorable10 [2024-09-22 18:11:46,924 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 18:11:46,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:46,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1140636835, now seen corresponding path program 1 times [2024-09-22 18:11:46,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:46,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454118815] [2024-09-22 18:11:46,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:46,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-22 18:11:47,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:47,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454118815] [2024-09-22 18:11:47,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454118815] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:47,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920534424] [2024-09-22 18:11:47,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:47,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:47,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:47,174 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 18:11:47,175 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 18:11:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:47,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 18:11:47,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-22 18:11:47,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-22 18:11:47,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920534424] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:47,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:47,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-09-22 18:11:47,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738003596] [2024-09-22 18:11:47,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:47,742 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-22 18:11:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:47,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-22 18:11:47,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2024-09-22 18:11:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:47,744 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:47,744 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 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 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:11:48,466 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 18:11:48,648 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:48,649 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 18:11:48,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:48,649 INFO L85 PathProgramCache]: Analyzing trace with hash -972553704, now seen corresponding path program 2 times [2024-09-22 18:11:48,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:48,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174770831] [2024-09-22 18:11:48,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:48,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-22 18:11:49,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174770831] [2024-09-22 18:11:49,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174770831] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625073686] [2024-09-22 18:11:49,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:11:49,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:49,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:49,042 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 18:11:49,044 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 18:11:49,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:11:49,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:49,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-22 18:11:49,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-22 18:11:49,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-22 18:11:49,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625073686] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:49,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:49,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24 [2024-09-22 18:11:49,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329658279] [2024-09-22 18:11:49,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:49,551 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-22 18:11:49,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:49,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-22 18:11:49,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-09-22 18:11:49,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:49,552 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:49,553 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 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 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:11:49,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-22 18:11:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:11:49,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:50,125 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,SelfDestructingSolverStorable12 [2024-09-22 18:11:50,126 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 18:11:50,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:50,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1775734308, now seen corresponding path program 3 times [2024-09-22 18:11:50,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:50,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280289268] [2024-09-22 18:11:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:12:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:12:09,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:12:09,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280289268] [2024-09-22 18:12:09,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280289268] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:12:09,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960719172] [2024-09-22 18:12:09,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:12:09,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:12:09,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:12:09,187 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 18:12:09,188 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 18:12:11,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-22 18:12:11,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:12:11,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 179 conjuncts are in the unsatisfiable core [2024-09-22 18:12:11,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:12:11,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-09-22 18:12:11,952 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-09-22 18:12:11,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-09-22 18:12:12,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-22 18:12:12,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-22 18:12:12,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-09-22 18:12:12,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-22 18:12:12,288 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-09-22 18:12:12,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-09-22 18:12:12,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-22 18:12:12,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-22 18:12:12,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-09-22 18:12:12,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-09-22 18:12:12,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-09-22 18:12:12,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-09-22 18:12:18,625 INFO L349 Elim1Store]: treesize reduction 159, result has 17.6 percent of original size [2024-09-22 18:12:18,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 237 treesize of output 182 [2024-09-22 18:12:18,725 INFO L349 Elim1Store]: treesize reduction 96, result has 50.3 percent of original size [2024-09-22 18:12:18,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 171 treesize of output 171 [2024-09-22 18:12:18,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:12:18,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 6 disjoint index pairs (out of 66 index pairs), introduced 13 new quantified variables, introduced 66 case distinctions, treesize of input 246 treesize of output 365 [2024-09-22 18:12:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-22 18:12:54,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:13:10,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:13:10,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1192 treesize of output 1109 [2024-09-22 18:13:10,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2150 treesize of output 2132 [2024-09-22 18:13:10,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:13:10,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2122 treesize of output 1942 [2024-09-22 18:13:10,952 INFO L224 Elim1Store]: Index analysis took 103 ms [2024-09-22 18:13:11,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:13:11,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 214642 treesize of output 188500 [2024-09-22 18:13:12,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 346690 treesize of output 342576 [2024-09-22 18:13:23,862 INFO L224 Elim1Store]: Index analysis took 106 ms [2024-09-22 18:13:34,111 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-09-22 18:13:34,129 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 18:13:34,312 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,SelfDestructingSolverStorable13 [2024-09-22 18:13:34,313 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 821101 column 7: push canceled at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:543) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:522) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:515) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:326) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:327) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 821101 column 7: push canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:230) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:346) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:227) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) ... 55 more [2024-09-22 18:13:34,318 INFO L158 Benchmark]: Toolchain (without parser) took 133356.18ms. Allocated memory was 178.3MB in the beginning and 12.5GB in the end (delta: 12.3GB). Free memory was 109.0MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-09-22 18:13:34,318 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 18:13:34,318 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 178.3MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 18:13:34,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.64ms. Allocated memory is still 178.3MB. Free memory was 108.8MB in the beginning and 147.6MB in the end (delta: -38.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-09-22 18:13:34,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.28ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 144.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 18:13:34,319 INFO L158 Benchmark]: Boogie Preprocessor took 74.77ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 141.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-22 18:13:34,319 INFO L158 Benchmark]: RCFGBuilder took 1194.95ms. Allocated memory is still 178.3MB. Free memory was 141.4MB in the beginning and 83.4MB in the end (delta: 58.0MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-09-22 18:13:34,319 INFO L158 Benchmark]: TraceAbstraction took 131551.92ms. Allocated memory was 178.3MB in the beginning and 12.5GB in the end (delta: 12.3GB). Free memory was 83.4MB in the beginning and 11.3GB in the end (delta: -11.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-09-22 18:13:34,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 178.3MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.64ms. Allocated memory is still 178.3MB. Free memory was 108.8MB in the beginning and 147.6MB in the end (delta: -38.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.28ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 144.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.77ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 141.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1194.95ms. Allocated memory is still 178.3MB. Free memory was 141.4MB in the beginning and 83.4MB in the end (delta: 58.0MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * TraceAbstraction took 131551.92ms. Allocated memory was 178.3MB in the beginning and 12.5GB in the end (delta: 12.3GB). Free memory was 83.4MB in the beginning and 11.3GB in the end (delta: -11.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 821101 column 7: push canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 821101 column 7: push canceled: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-22 18:13:34,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-22 18:13:34,733 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-09-22 18:13:34,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-bad-dot-product-alt.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-dot-product-alt.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 18:13:37,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 18:13:37,328 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-22 18:13:37,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 18:13:37,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 18:13:37,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 18:13:37,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 18:13:37,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 18:13:37,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 18:13:37,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 18:13:37,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 18:13:37,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 18:13:37,372 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 18:13:37,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 18:13:37,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 18:13:37,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 18:13:37,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 18:13:37,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 18:13:37,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 18:13:37,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 18:13:37,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 18:13:37,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-22 18:13:37,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 18:13:37,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-22 18:13:37,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 18:13:37,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 18:13:37,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 18:13:37,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 18:13:37,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 18:13:37,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 18:13:37,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 18:13:37,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:13:37,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 18:13:37,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 18:13:37,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 18:13:37,392 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-22 18:13:37,392 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 18:13:37,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-22 18:13:37,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 18:13:37,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 18:13:37,394 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 18:13:37,394 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 18:13:37,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-22 18:13:37,394 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 18:13:37,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 18:13:37,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 18:13:37,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 18:13:37,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 18:13:37,751 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 18:13:37,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-09-22 18:13:39,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 18:13:39,485 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 18:13:39,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-09-22 18:13:39,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/657082bd5/6a26aafd4e0548c4bd10573d74241bb0/FLAG0b0f7625d [2024-09-22 18:13:39,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/657082bd5/6a26aafd4e0548c4bd10573d74241bb0 [2024-09-22 18:13:39,867 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 18:13:39,869 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 18:13:39,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-dot-product-alt.wvr.yml/witness.yml [2024-09-22 18:13:39,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 18:13:39,951 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 18:13:39,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 18:13:39,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 18:13:39,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 18:13:39,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:13:39" (1/2) ... [2024-09-22 18:13:39,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5944fb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:13:39, skipping insertion in model container [2024-09-22 18:13:39,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:13:39" (1/2) ... [2024-09-22 18:13:39,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cc3531f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:13:39, skipping insertion in model container [2024-09-22 18:13:39,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:13:39" (2/2) ... [2024-09-22 18:13:39,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5944fb25 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:39, skipping insertion in model container [2024-09-22 18:13:39,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:13:39" (2/2) ... [2024-09-22 18:13:39,978 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 18:13:39,978 INFO L1541 ArrayList]: Location invariant before [L103-L103] ! multithreaded || ((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )maxA >= 0LL) && (2147483647LL + (long long )N) + (long long )maxB >= 0LL) && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )maxA >= 0LL) && (4294967295LL + (long long )M) + (long long )maxB >= 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) && (2147483648LL - (long long )maxA) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )maxA >= 0LL) && (3221225471LL - (long long )N) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )maxA >= 0LL) && (4294967294LL - (long long )M) + (long long )maxB >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )maxA >= 0LL) && (2147483646LL + (long long )N) - (long long )maxB >= 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 )maxA >= 0LL) && (4294967294LL + (long long )M) - (long long )maxB >= 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 )maxA >= 0LL) && (3221225470LL - (long long )N) - (long long )maxB >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (3221225470LL - (long long )maxA) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )maxA >= 0LL) && (4294967293LL - (long long )M) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 18:13:39,979 INFO L1541 ArrayList]: Location invariant before [L104-L104] ! multithreaded || ((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )maxA >= 0LL) && (2147483647LL + (long long )N) + (long long )maxB >= 0LL) && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )maxA >= 0LL) && (4294967295LL + (long long )M) + (long long )maxB >= 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) && (2147483648LL - (long long )maxA) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )maxA >= 0LL) && (3221225471LL - (long long )N) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )maxA >= 0LL) && (4294967294LL - (long long )M) + (long long )maxB >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )maxA >= 0LL) && (2147483646LL + (long long )N) - (long long )maxB >= 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 )maxA >= 0LL) && (4294967294LL + (long long )M) - (long long )maxB >= 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 )maxA >= 0LL) && (3221225470LL - (long long )N) - (long long )maxB >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (3221225470LL - (long long )maxA) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )maxA >= 0LL) && (4294967293LL - (long long )M) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 18:13:39,979 INFO L1541 ArrayList]: Location invariant before [L105-L105] ! multithreaded || ((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )maxA >= 0LL) && (2147483647LL + (long long )N) + (long long )maxB >= 0LL) && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )maxA >= 0LL) && (4294967295LL + (long long )M) + (long long )maxB >= 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) && (2147483648LL - (long long )maxA) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )maxA >= 0LL) && (3221225471LL - (long long )N) + (long long )maxB >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )maxA >= 0LL) && (4294967294LL - (long long )M) + (long long )maxB >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )maxA >= 0LL) && (2147483646LL + (long long )N) - (long long )maxB >= 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 )maxA >= 0LL) && (4294967294LL + (long long )M) - (long long )maxB >= 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 )maxA >= 0LL) && (3221225470LL - (long long )N) - (long long )maxB >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (3221225470LL - (long long )maxA) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )maxA >= 0LL) && (4294967293LL - (long long )M) - (long long )maxB >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-22 18:13:39,979 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 18:13:39,979 INFO L1541 ArrayList]: ghost_update [L102-L102] multithreaded = 1; [2024-09-22 18:13:40,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 18:13:40,241 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-bad-dot-product-alt.wvr.c[3221,3234] [2024-09-22 18:13:40,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:13:40,271 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 18:13:40,413 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-bad-dot-product-alt.wvr.c[3221,3234] [2024-09-22 18:13:40,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:13:40,449 INFO L204 MainTranslator]: Completed translation [2024-09-22 18:13:40,449 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40 WrapperNode [2024-09-22 18:13:40,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 18:13:40,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 18:13:40,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 18:13:40,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 18:13:40,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,542 INFO L138 Inliner]: procedures = 29, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 359 [2024-09-22 18:13:40,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 18:13:40,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 18:13:40,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 18:13:40,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 18:13:40,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 18:13:40,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 18:13:40,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 18:13:40,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 18:13:40,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (1/1) ... [2024-09-22 18:13:40,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:13:40,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:13:40,668 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 18:13:40,674 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 18:13:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 18:13:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-22 18:13:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-09-22 18:13:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-22 18:13:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-09-22 18:13:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 18:13:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 18:13:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 18:13:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 18:13:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 18:13:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 18:13:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 18:13:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 18:13:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 18:13:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 18:13:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 18:13:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-22 18:13:40,728 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 18:13:40,872 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 18:13:40,874 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 18:13:42,335 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 18:13:42,335 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 18:13:42,832 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 18:13:42,833 INFO L318 CfgBuilder]: Removed 7 assume(true) statements. [2024-09-22 18:13:42,834 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:13:42 BoogieIcfgContainer [2024-09-22 18:13:42,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 18:13:42,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 18:13:42,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 18:13:42,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 18:13:42,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 06:13:39" (1/4) ... [2024-09-22 18:13:42,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7083f72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:13:42, skipping insertion in model container [2024-09-22 18:13:42,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:13:39" (2/4) ... [2024-09-22 18:13:42,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7083f72a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:13:42, skipping insertion in model container [2024-09-22 18:13:42,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:13:40" (3/4) ... [2024-09-22 18:13:42,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7083f72a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:13:42, skipping insertion in model container [2024-09-22 18:13:42,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:13:42" (4/4) ... [2024-09-22 18:13:42,844 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-09-22 18:13:42,861 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 18:13:42,861 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-22 18:13:42,861 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 18:13:42,963 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-22 18:13:43,008 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:13:43,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 18:13:43,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:13:43,011 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 18:13:43,012 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 18:13:43,050 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 18:13:43,061 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 18:13:43,068 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;@38176be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:13:43,069 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-22 18:13:43,513 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 18:13:43,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:13:43,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1035489734, now seen corresponding path program 1 times [2024-09-22 18:13:43,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:13:43,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560651141] [2024-09-22 18:13:43,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:13:43,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:13:43,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:13:43,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:13:43,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-09-22 18:13:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:13:43,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-22 18:13:43,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:13:43,931 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 18:13:43,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:13:43,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:13:43,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560651141] [2024-09-22 18:13:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560651141] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:13:43,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:13:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 18:13:43,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710073841] [2024-09-22 18:13:43,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:13:43,941 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:13:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:13:43,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:13:43,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 18:13:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:13:43,971 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:13:43,972 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 18:13:43,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:13:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:13:44,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-09-22 18:13:44,607 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:13:44,608 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 18:13:44,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:13:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash 322139662, now seen corresponding path program 1 times [2024-09-22 18:13:44,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:13:44,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743815393] [2024-09-22 18:13:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:13:44,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:13:44,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:13:44,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:13:44,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-09-22 18:13:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:13:44,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-22 18:13:44,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:13:45,316 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 18:13:45,316 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:14:03,066 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 18:14:03,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:14:03,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743815393] [2024-09-22 18:14:03,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743815393] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:14:03,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:14:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2024-09-22 18:14:03,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994723733] [2024-09-22 18:14:03,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:14:03,069 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-22 18:14:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:14:03,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-22 18:14:03,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-09-22 18:14:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:03,071 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:14:03,071 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:14:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:08,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:08,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-09-22 18:14:09,077 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:09,077 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:14:09,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:14:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1414110668, now seen corresponding path program 1 times [2024-09-22 18:14:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:14:09,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269686046] [2024-09-22 18:14:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:14:09,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:09,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:14:09,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:14:09,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-09-22 18:14:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:14:09,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-22 18:14:09,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:14:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:14:09,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:14:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:14:09,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:14:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269686046] [2024-09-22 18:14:09,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269686046] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:14:09,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:14:09,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-09-22 18:14:09,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726035115] [2024-09-22 18:14:09,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:14:09,611 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-22 18:14:09,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:14:09,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-22 18:14:09,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-09-22 18:14:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:09,612 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:14:09,613 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 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 18:14:09,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:09,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:09,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:10,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:10,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:10,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-09-22 18:14:10,955 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:10,956 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:14:10,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:14:10,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1947320013, now seen corresponding path program 2 times [2024-09-22 18:14:10,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:14:10,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223077642] [2024-09-22 18:14:10,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:14:10,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:14:10,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:14:10,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-09-22 18:14:11,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:14:11,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:14:11,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-22 18:14:11,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:14:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-09-22 18:14:11,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:14:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-09-22 18:14:37,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:14:37,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223077642] [2024-09-22 18:14:37,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223077642] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 18:14:37,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:14:37,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-09-22 18:14:37,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731612694] [2024-09-22 18:14:37,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:14:37,546 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 18:14:37,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:14:37,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 18:14:37,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-09-22 18:14:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:37,547 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:14:37,547 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 18:14:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:14:50,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-09-22 18:14:51,189 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:51,189 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 18:14:51,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:14:51,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1171691339, now seen corresponding path program 1 times [2024-09-22 18:14:51,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:14:51,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505005514] [2024-09-22 18:14:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:14:51,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:51,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:14:51,194 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:14:51,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-09-22 18:14:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:14:51,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-22 18:14:51,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:14:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-09-22 18:14:51,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:14:51,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:14:51,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505005514] [2024-09-22 18:14:51,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505005514] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:14:51,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:14:51,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 18:14:51,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161082066] [2024-09-22 18:14:51,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:14:51,614 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 18:14:51,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:14:51,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 18:14:51,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 18:14:51,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:51,615 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:14:51,615 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 18:14:51,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:51,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:51,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:51,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:14:51,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:14:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:14:53,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-09-22 18:14:53,862 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:53,863 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 18:14:53,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:14:53,863 INFO L85 PathProgramCache]: Analyzing trace with hash -32259818, now seen corresponding path program 1 times [2024-09-22 18:14:53,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:14:53,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040871439] [2024-09-22 18:14:53,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:14:53,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:14:53,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:14:53,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:14:53,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-09-22 18:14:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:14:54,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-22 18:14:54,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:14:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-09-22 18:14:54,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:14:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-09-22 18:14:55,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:14:55,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040871439] [2024-09-22 18:14:55,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040871439] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:14:55,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:14:55,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-09-22 18:14:55,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108686276] [2024-09-22 18:14:55,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:14:55,085 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-22 18:14:55,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:14:55,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-22 18:14:55,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-09-22 18:14:55,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:55,087 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:14:55,087 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.4) internal successors, (68), 19 states have internal predecessors, (68), 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 18:14:55,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:55,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:55,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:55,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:14:55,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:14:55,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:14:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:14:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:14:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:14:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:14:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:14:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:14:59,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-09-22 18:15:00,070 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:00,070 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 18:15:00,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:00,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2070435402, now seen corresponding path program 1 times [2024-09-22 18:15:00,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:00,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494291369] [2024-09-22 18:15:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:15:00,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:00,075 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:00,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-09-22 18:15:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:15:00,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-22 18:15:00,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-22 18:15:01,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-09-22 18:15:01,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:01,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494291369] [2024-09-22 18:15:01,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494291369] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 18:15:01,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:15:01,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 19 [2024-09-22 18:15:01,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053917166] [2024-09-22 18:15:01,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:15:01,484 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 18:15:01,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:01,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 18:15:01,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-09-22 18:15:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:01,485 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:01,485 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:01,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:02,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-09-22 18:15:03,098 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:03,099 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 18:15:03,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash -893762595, now seen corresponding path program 1 times [2024-09-22 18:15:03,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:03,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846729975] [2024-09-22 18:15:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:15:03,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:03,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:03,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-09-22 18:15:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:15:03,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-22 18:15:03,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-22 18:15:04,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-22 18:15:04,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:04,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846729975] [2024-09-22 18:15:04,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846729975] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:04,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:15:04,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-09-22 18:15:04,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994665737] [2024-09-22 18:15:04,908 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:04,908 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-22 18:15:04,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:04,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-22 18:15:04,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-09-22 18:15:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:04,910 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:04,910 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.3333333333333335) internal successors, (80), 23 states have internal predecessors, (80), 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 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:04,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:08,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-09-22 18:15:08,599 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:08,599 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 18:15:08,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1279498568, now seen corresponding path program 2 times [2024-09-22 18:15:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:08,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915578542] [2024-09-22 18:15:08,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:15:08,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:08,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:08,602 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:08,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-09-22 18:15:08,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:15:08,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:15:08,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-22 18:15:08,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-22 18:15:09,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-22 18:15:11,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:11,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915578542] [2024-09-22 18:15:11,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915578542] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:11,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:15:11,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-09-22 18:15:11,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894134081] [2024-09-22 18:15:11,018 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:11,019 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-22 18:15:11,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:11,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-22 18:15:11,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-09-22 18:15:11,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:11,021 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:11,022 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 27 states have internal predecessors, (89), 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 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:11,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:15,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-09-22 18:15:15,894 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:15,895 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 18:15:15,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:15,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1134413343, now seen corresponding path program 3 times [2024-09-22 18:15:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946120438] [2024-09-22 18:15:15,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:15:15,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:15,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:15,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:15,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-09-22 18:15:16,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-22 18:15:16,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:15:16,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 18:15:16,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-09-22 18:15:16,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:15:16,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:16,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946120438] [2024-09-22 18:15:16,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946120438] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:15:16,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:15:16,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 18:15:16,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829735465] [2024-09-22 18:15:16,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:15:16,293 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:15:16,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:16,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:15:16,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 18:15:16,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:16,294 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:16,294 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:17,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-09-22 18:15:17,513 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:17,513 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 18:15:17,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1203454813, now seen corresponding path program 1 times [2024-09-22 18:15:17,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:17,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852217338] [2024-09-22 18:15:17,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:15:17,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:17,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:17,516 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:17,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-09-22 18:15:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:15:17,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-22 18:15:17,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-09-22 18:15:18,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-09-22 18:15:20,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852217338] [2024-09-22 18:15:20,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852217338] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:20,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:15:20,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-09-22 18:15:20,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046928751] [2024-09-22 18:15:20,020 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:20,021 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-22 18:15:20,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:20,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-22 18:15:20,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=760, Unknown=0, NotChecked=0, Total=992 [2024-09-22 18:15:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:20,022 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:20,023 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.09375) internal successors, (99), 31 states have internal predecessors, (99), 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 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:15:25,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-09-22 18:15:25,195 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:25,195 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 18:15:25,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:25,196 INFO L85 PathProgramCache]: Analyzing trace with hash -366437502, now seen corresponding path program 2 times [2024-09-22 18:15:25,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:25,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729811965] [2024-09-22 18:15:25,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:15:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:25,197 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:25,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-09-22 18:15:25,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:15:25,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:15:25,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-22 18:15:25,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-09-22 18:15:26,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-09-22 18:15:28,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:28,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729811965] [2024-09-22 18:15:28,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729811965] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:28,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:15:28,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-09-22 18:15:28,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546971618] [2024-09-22 18:15:28,273 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:28,273 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-22 18:15:28,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:28,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-22 18:15:28,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2024-09-22 18:15:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:28,275 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:28,276 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.9722222222222223) internal successors, (107), 35 states have internal predecessors, (107), 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 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:28,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:28,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:28,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:28,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:28,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:15:28,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:15:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:15:34,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-09-22 18:15:34,190 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:34,191 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 18:15:34,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2053226621, now seen corresponding path program 3 times [2024-09-22 18:15:34,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:34,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854058009] [2024-09-22 18:15:34,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:15:34,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:34,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:34,193 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:34,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-09-22 18:15:35,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-22 18:15:35,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:15:35,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-22 18:15:35,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-09-22 18:15:35,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-09-22 18:15:38,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:38,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854058009] [2024-09-22 18:15:38,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854058009] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:38,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:15:38,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 27 [2024-09-22 18:15:38,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814582905] [2024-09-22 18:15:38,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:38,226 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-22 18:15:38,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:38,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-22 18:15:38,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-09-22 18:15:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:38,227 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:38,228 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.4444444444444446) internal successors, (93), 27 states have internal predecessors, (93), 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 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:15:38,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:15:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:15:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-22 18:15:46,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-09-22 18:15:47,011 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:47,011 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 18:15:47,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:15:47,012 INFO L85 PathProgramCache]: Analyzing trace with hash -714105920, now seen corresponding path program 4 times [2024-09-22 18:15:47,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:15:47,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256743371] [2024-09-22 18:15:47,013 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 18:15:47,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:15:47,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:15:47,016 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:15:47,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-09-22 18:15:47,283 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 18:15:47,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:15:47,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-22 18:15:47,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:15:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-09-22 18:15:48,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-09-22 18:15:50,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:15:50,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256743371] [2024-09-22 18:15:50,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256743371] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:50,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:15:50,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2024-09-22 18:15:50,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167162443] [2024-09-22 18:15:50,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:50,696 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-22 18:15:50,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:15:50,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-22 18:15:50,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-09-22 18:15:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:50,697 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:50,698 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.1) internal successors, (93), 30 states have internal predecessors, (93), 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 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-22 18:15:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:16:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:16:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:16:01,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-09-22 18:16:01,346 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:16:01,346 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 18:16:01,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:16:01,347 INFO L85 PathProgramCache]: Analyzing trace with hash 295798857, now seen corresponding path program 5 times [2024-09-22 18:16:01,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:16:01,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100857175] [2024-09-22 18:16:01,347 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 18:16:01,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:16:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:16:01,349 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:16:01,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-09-22 18:16:04,998 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-09-22 18:16:04,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:16:05,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-22 18:16:05,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:16:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 16 proven. 93 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-09-22 18:16:06,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:16:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-09-22 18:16:09,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:16:09,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100857175] [2024-09-22 18:16:09,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100857175] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:16:09,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:16:09,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17] total 39 [2024-09-22 18:16:09,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119085471] [2024-09-22 18:16:09,408 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:16:09,408 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-09-22 18:16:09,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:16:09,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-09-22 18:16:09,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1217, Unknown=0, NotChecked=0, Total=1482 [2024-09-22 18:16:09,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:09,410 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:16:09,410 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.9743589743589745) internal successors, (116), 39 states have internal predecessors, (116), 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 18:16:09,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:16:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:16:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:16:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:16:23,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-09-22 18:16:23,632 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:16:23,633 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 18:16:23,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:16:23,633 INFO L85 PathProgramCache]: Analyzing trace with hash -952779777, now seen corresponding path program 6 times [2024-09-22 18:16:23,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:16:23,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798953784] [2024-09-22 18:16:23,634 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 18:16:23,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:16:23,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:16:23,635 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:16:23,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-09-22 18:16:27,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-09-22 18:16:27,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:16:27,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-22 18:16:27,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:16:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 50 proven. 118 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-09-22 18:16:28,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:16:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 50 proven. 118 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-09-22 18:16:33,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:16:33,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798953784] [2024-09-22 18:16:33,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798953784] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:16:33,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:16:33,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25] total 46 [2024-09-22 18:16:33,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454124509] [2024-09-22 18:16:33,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:16:33,586 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-22 18:16:33,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:16:33,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-22 18:16:33,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=1734, Unknown=0, NotChecked=0, Total=2162 [2024-09-22 18:16:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:33,587 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:16:33,588 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.872340425531915) internal successors, (135), 46 states have internal predecessors, (135), 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 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:16:33,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:16:33,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:16:33,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:16:33,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:16:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:16:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:16:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:16:56,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-09-22 18:16:56,927 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:16:56,927 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 18:16:56,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:16:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1136151094, now seen corresponding path program 7 times [2024-09-22 18:16:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:16:56,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226659611] [2024-09-22 18:16:56,929 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 18:16:56,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:16:56,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:16:56,930 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:16:56,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-09-22 18:16:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:16:57,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-22 18:16:57,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:16:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-09-22 18:16:58,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:17:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-09-22 18:17:01,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:17:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226659611] [2024-09-22 18:17:01,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226659611] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:17:01,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:17:01,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2024-09-22 18:17:01,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904332414] [2024-09-22 18:17:01,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:17:01,026 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-22 18:17:01,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:17:01,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-22 18:17:01,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1520, Unknown=0, NotChecked=0, Total=1892 [2024-09-22 18:17:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:17:01,028 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:17:01,028 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.340909090909091) internal successors, (147), 43 states have internal predecessors, (147), 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 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:17:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:17:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:17:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:17:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:17:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:17:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:17:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:17:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:17:09,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:17:09,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-09-22 18:17:09,437 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:17:09,438 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 18:17:09,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:17:09,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1449095874, now seen corresponding path program 8 times [2024-09-22 18:17:09,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:17:09,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738845196] [2024-09-22 18:17:09,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:17:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:17:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:17:09,440 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:17:09,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-09-22 18:17:10,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:17:10,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:17:10,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-22 18:17:10,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:17:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-09-22 18:17:11,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:17:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-09-22 18:17:17,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:17:17,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738845196] [2024-09-22 18:17:17,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738845196] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:17:17,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:17:17,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27] total 51 [2024-09-22 18:17:17,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095106114] [2024-09-22 18:17:17,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:17:17,208 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-09-22 18:17:17,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:17:17,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-09-22 18:17:17,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=2089, Unknown=0, NotChecked=0, Total=2652 [2024-09-22 18:17:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:17:17,210 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:17:17,210 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.0961538461538463) internal successors, (161), 51 states have internal predecessors, (161), 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 18:17:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:17:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:17:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:17:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:17:17,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:17:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:17:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:17:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:17:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:17:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:17:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-22 18:17:34,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-09-22 18:17:34,794 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:17:34,795 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 18:17:34,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:17:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1547678295, now seen corresponding path program 9 times [2024-09-22 18:17:34,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:17:34,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702198907] [2024-09-22 18:17:34,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:17:34,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:17:34,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:17:34,797 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:17:34,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-09-22 18:17:40,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-09-22 18:17:40,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:17:40,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-22 18:17:40,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:17:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-09-22 18:17:42,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:17:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-09-22 18:17:45,492 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:17:45,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702198907] [2024-09-22 18:17:45,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702198907] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:17:45,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:17:45,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 53 [2024-09-22 18:17:45,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530131879] [2024-09-22 18:17:45,493 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:17:45,493 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-22 18:17:45,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:17:45,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-22 18:17:45,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=2304, Unknown=0, NotChecked=0, Total=2862 [2024-09-22 18:17:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:17:45,495 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:17:45,495 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.1296296296296298) internal successors, (169), 53 states have internal predecessors, (169), 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 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:45,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-22 18:17:45,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:17:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-22 18:17:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-22 18:17:58,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-09-22 18:17:58,399 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:17:58,399 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)] === [2024-09-22 18:17:58,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:17:58,400 INFO L85 PathProgramCache]: Analyzing trace with hash -876757474, now seen corresponding path program 10 times [2024-09-22 18:17:58,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:17:58,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282036392] [2024-09-22 18:17:58,400 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 18:17:58,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:17:58,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:17:58,402 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:17:58,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-09-22 18:17:58,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 18:17:58,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:17:58,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-22 18:17:58,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:18:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 50 proven. 127 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-09-22 18:18:00,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:18:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-09-22 18:18:07,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 18:18:07,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282036392] [2024-09-22 18:18:07,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282036392] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:18:07,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 18:18:07,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28] total 51 [2024-09-22 18:18:07,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788584089] [2024-09-22 18:18:07,318 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 18:18:07,319 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-09-22 18:18:07,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 18:18:07,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-09-22 18:18:07,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=2059, Unknown=0, NotChecked=0, Total=2550 [2024-09-22 18:18:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:18:07,320 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:18:07,321 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.7254901960784315) internal successors, (139), 51 states have internal predecessors, (139), 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 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:18:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:18:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:18:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:18:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:18:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:18:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-09-22 18:18:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:18:07,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:18:07,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-22 18:18:07,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-09-22 18:18:07,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-22 18:18:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:18:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 18:18:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-22 18:18:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-22 18:18:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-09-22 18:18:37,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-09-22 18:18:37,239 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:18:37,239 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)] === [2024-09-22 18:18:37,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:18:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1442189141, now seen corresponding path program 11 times [2024-09-22 18:18:37,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 18:18:37,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524389876] [2024-09-22 18:18:37,240 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 18:18:37,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 18:18:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 18:18:37,242 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 18:18:37,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process Killed by 15