./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.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-bad-dot-product-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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.2024-08-08_07-59-58.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 22:59:17,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 22:59:17,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 22:59:17,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 22:59:17,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 22:59:17,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 22:59:17,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 22:59:17,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 22:59:17,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 22:59:17,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 22:59:17,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 22:59:17,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 22:59:17,387 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 22:59:17,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 22:59:17,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 22:59:17,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 22:59:17,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 22:59:17,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 22:59:17,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 22:59:17,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 22:59:17,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 22:59:17,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 22:59:17,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 22:59:17,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 22:59:17,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 22:59:17,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 22:59:17,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 22:59:17,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 22:59:17,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 22:59:17,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 22:59:17,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 22:59:17,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 22:59:17,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 22:59:17,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 22:59:17,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 22:59:17,396 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 22:59:17,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 22:59:17,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 22:59:17,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 22:59:17,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 22:59:17,398 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 22:59:17,398 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 22:59:17,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-22 22:59:17,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 22:59:17,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 22:59:17,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 22:59:17,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 22:59:17,640 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 22:59:17,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-08-22 22:59:18,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 22:59:19,063 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 22:59:19,065 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-08-22 22:59:19,074 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da33b207d/6e15bef6f3394644a7f8df8f4bfe4633/FLAG2545d099a [2024-08-22 22:59:19,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da33b207d/6e15bef6f3394644a7f8df8f4bfe4633 [2024-08-22 22:59:19,092 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 22:59:19,092 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 22:59:19,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-bad-dot-product-alt.wvr.yml/witness.yml [2024-08-22 22:59:19,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 22:59:19,167 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 22:59:19,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 22:59:19,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 22:59:19,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 22:59:19,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:59:19" (1/2) ... [2024-08-22 22:59:19,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ee07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:59:19, skipping insertion in model container [2024-08-22 22:59:19,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:59:19" (1/2) ... [2024-08-22 22:59:19,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@113a0d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:59:19, skipping insertion in model container [2024-08-22 22:59:19,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 10:59:19" (2/2) ... [2024-08-22 22:59:19,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ee07b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19, skipping insertion in model container [2024-08-22 22:59:19,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 10:59:19" (2/2) ... [2024-08-22 22:59:19,178 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-22 22:59:19,194 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 22:59:19,195 INFO L97 edCorrectnessWitness]: 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) [2024-08-22 22:59:19,195 INFO L97 edCorrectnessWitness]: 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) [2024-08-22 22:59:19,195 INFO L97 edCorrectnessWitness]: 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) [2024-08-22 22:59:19,200 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 22:59:19,201 INFO L106 edCorrectnessWitness]: ghost_update [L102-L102] multithreaded = 1; [2024-08-22 22:59:19,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 22:59:19,381 WARN L247 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] [2024-08-22 22:59:19,388 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 22:59:19,395 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-22 22:59:19,525 WARN L247 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] [2024-08-22 22:59:19,550 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 22:59:19,574 INFO L206 MainTranslator]: Completed translation [2024-08-22 22:59:19,575 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19 WrapperNode [2024-08-22 22:59:19,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 22:59:19,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 22:59:19,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 22:59:19,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 22:59:19,586 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 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,600 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 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,633 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 366 [2024-08-22 22:59:19,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 22:59:19,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 22:59:19,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 22:59:19,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 22:59:19,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 22:59:19,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 22:59:19,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 22:59:19,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 22:59:19,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (1/1) ... [2024-08-22 22:59:19,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 22:59:19,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:19,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-22 22:59:19,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-22 22:59:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 22:59:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-08-22 22:59:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-22 22:59:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-22 22:59:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-08-22 22:59:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-22 22:59:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-22 22:59:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-22 22:59:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-22 22:59:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-22 22:59:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-22 22:59:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 22:59:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 22:59:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 22:59:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-22 22:59:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 22:59:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 22:59:19,743 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 22:59:19,863 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 22:59:19,865 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 22:59:20,303 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 22:59:20,303 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 22:59:20,664 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 22:59:20,685 INFO L319 CfgBuilder]: Removed 7 assume(true) statements. [2024-08-22 22:59:20,686 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:59:20 BoogieIcfgContainer [2024-08-22 22:59:20,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 22:59:20,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 22:59:20,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 22:59:20,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 22:59:20,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:59:19" (1/4) ... [2024-08-22 22:59:20,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cf17c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:59:20, skipping insertion in model container [2024-08-22 22:59:20,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 10:59:19" (2/4) ... [2024-08-22 22:59:20,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cf17c9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 10:59:20, skipping insertion in model container [2024-08-22 22:59:20,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:59:19" (3/4) ... [2024-08-22 22:59:20,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cf17c9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 10:59:20, skipping insertion in model container [2024-08-22 22:59:20,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:59:20" (4/4) ... [2024-08-22 22:59:20,696 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-08-22 22:59:20,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 22:59:20,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-22 22:59:20,717 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 22:59:20,769 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-22 22:59:20,800 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 22:59:20,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 22:59:20,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:20,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-22 22:59:20,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-22 22:59:20,834 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 22:59:20,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 22:59:20,850 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e078c29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 22:59:20,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-22 22:59:20,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:20,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:20,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1599134084, now seen corresponding path program 1 times [2024-08-22 22:59:20,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:20,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867319624] [2024-08-22 22:59:20,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:20,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:59:21,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867319624] [2024-08-22 22:59:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867319624] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:59:21,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:59:21,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 22:59:21,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391668299] [2024-08-22 22:59:21,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:59:21,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 22:59:21,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:21,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 22:59:21,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 22:59:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:21,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:21,322 INFO L496 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) [2024-08-22 22:59:21,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:21,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:21,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 22:59:21,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:21,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:21,391 INFO L85 PathProgramCache]: Analyzing trace with hash 797052952, now seen corresponding path program 1 times [2024-08-22 22:59:21,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:21,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141345571] [2024-08-22 22:59:21,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:21,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 22:59:22,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141345571] [2024-08-22 22:59:22,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141345571] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552239561] [2024-08-22 22:59:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:22,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:22,229 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) [2024-08-22 22:59:22,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-22 22:59:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:22,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-22 22:59:22,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 22:59:22,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 22:59:24,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552239561] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 22:59:24,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 22:59:24,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2024-08-22 22:59:24,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040231101] [2024-08-22 22:59:24,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 22:59:24,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-22 22:59:24,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-22 22:59:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-08-22 22:59:24,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:24,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:24,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 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) [2024-08-22 22:59:24,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:24,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:24,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-22 22:59:24,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-22 22:59:24,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:24,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:24,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1070025261, now seen corresponding path program 1 times [2024-08-22 22:59:24,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:24,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459326948] [2024-08-22 22:59:24,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 22:59:24,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:24,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459326948] [2024-08-22 22:59:24,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459326948] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:24,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183648254] [2024-08-22 22:59:24,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:24,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:24,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:24,957 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) [2024-08-22 22:59:24,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-22 22:59:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:25,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-22 22:59:25,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 22:59:25,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 22:59:25,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183648254] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 22:59:25,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 22:59:25,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-08-22 22:59:25,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68609379] [2024-08-22 22:59:25,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 22:59:25,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-22 22:59:25,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:25,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-22 22:59:25,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-08-22 22:59:25,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:25,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:25,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 22:59:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:25,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:25,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:25,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:25,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-22 22:59:25,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:25,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:25,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:25,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1867773688, now seen corresponding path program 2 times [2024-08-22 22:59:25,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:25,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709125914] [2024-08-22 22:59:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:25,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-22 22:59:26,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709125914] [2024-08-22 22:59:26,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709125914] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801800733] [2024-08-22 22:59:26,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 22:59:26,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:26,158 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) [2024-08-22 22:59:26,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-22 22:59:26,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 22:59:26,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 22:59:26,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-22 22:59:26,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-22 22:59:26,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-22 22:59:28,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801800733] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 22:59:28,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 22:59:28,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 24 [2024-08-22 22:59:28,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387283540] [2024-08-22 22:59:28,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 22:59:28,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-08-22 22:59:28,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:28,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-08-22 22:59:28,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2024-08-22 22:59:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:28,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:28,039 INFO L496 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) [2024-08-22 22:59:28,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:28,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:28,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:28,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:28,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:28,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:28,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:28,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:28,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-22 22:59:29,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:29,071 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:29,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:29,072 INFO L85 PathProgramCache]: Analyzing trace with hash -533602163, now seen corresponding path program 3 times [2024-08-22 22:59:29,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:29,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409365223] [2024-08-22 22:59:29,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:29,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-22 22:59:29,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409365223] [2024-08-22 22:59:29,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409365223] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:29,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824413645] [2024-08-22 22:59:29,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 22:59:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:29,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:29,289 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) [2024-08-22 22:59:29,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-22 22:59:29,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-22 22:59:29,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 22:59:29,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 29 conjunts are in the unsatisfiable core [2024-08-22 22:59:29,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 22:59:29,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 22:59:31,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824413645] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 22:59:31,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 22:59:31,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 22 [2024-08-22 22:59:31,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993674198] [2024-08-22 22:59:31,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 22:59:31,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-22 22:59:31,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:31,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-22 22:59:31,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-08-22 22:59:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:31,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:31,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.0) internal successors, (46), 22 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 22:59:31,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:31,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:31,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:31,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:31,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:32,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:32,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:32,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:32,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:32,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:32,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-22 22:59:32,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:32,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:32,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1236765236, now seen corresponding path program 1 times [2024-08-22 22:59:32,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:32,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337257310] [2024-08-22 22:59:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-08-22 22:59:33,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:33,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337257310] [2024-08-22 22:59:33,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337257310] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:33,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361595998] [2024-08-22 22:59:33,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:33,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:33,090 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) [2024-08-22 22:59:33,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-22 22:59:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:33,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-22 22:59:33,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-22 22:59:33,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-22 22:59:33,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361595998] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:33,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-22 22:59:33,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 6] total 14 [2024-08-22 22:59:33,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862661731] [2024-08-22 22:59:33,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:59:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 22:59:33,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 22:59:33,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-08-22 22:59:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:33,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:33,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) 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) [2024-08-22 22:59:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:33,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:33,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:33,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-22 22:59:33,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:33,744 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:33,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:33,745 INFO L85 PathProgramCache]: Analyzing trace with hash 779012692, now seen corresponding path program 1 times [2024-08-22 22:59:33,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:33,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81548550] [2024-08-22 22:59:33,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:33,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-22 22:59:33,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:33,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81548550] [2024-08-22 22:59:33,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81548550] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:33,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381405274] [2024-08-22 22:59:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:33,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:33,979 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) [2024-08-22 22:59:33,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-22 22:59:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:34,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-22 22:59:34,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-22 22:59:34,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 22:59:34,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381405274] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:59:34,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 22:59:34,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-08-22 22:59:34,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078566396] [2024-08-22 22:59:34,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:59:34,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 22:59:34,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:34,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 22:59:34,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-08-22 22:59:34,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:34,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:34,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 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) [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:34,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:34,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-22 22:59:34,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-22 22:59:34,605 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:34,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:34,605 INFO L85 PathProgramCache]: Analyzing trace with hash 647425726, now seen corresponding path program 1 times [2024-08-22 22:59:34,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:34,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218268776] [2024-08-22 22:59:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:34,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-22 22:59:34,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:34,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218268776] [2024-08-22 22:59:34,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218268776] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:34,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476839243] [2024-08-22 22:59:34,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:34,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:34,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:34,795 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) [2024-08-22 22:59:34,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-22 22:59:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:34,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-22 22:59:34,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-22 22:59:35,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-22 22:59:35,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476839243] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 22:59:35,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 22:59:35,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-08-22 22:59:35,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718185816] [2024-08-22 22:59:35,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 22:59:35,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-22 22:59:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:35,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-22 22:59:35,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-08-22 22:59:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:35,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:35,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.055555555555555) internal successors, (91), 17 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:35,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-22 22:59:35,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:35,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:35,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:35,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1468294112, now seen corresponding path program 2 times [2024-08-22 22:59:35,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:35,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241266366] [2024-08-22 22:59:35,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:35,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-22 22:59:35,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:35,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241266366] [2024-08-22 22:59:35,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241266366] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:35,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614947578] [2024-08-22 22:59:35,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 22:59:35,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:35,765 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) [2024-08-22 22:59:35,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-22 22:59:35,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 22:59:35,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 22:59:35,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 11 conjunts are in the unsatisfiable core [2024-08-22 22:59:35,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-22 22:59:36,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-22 22:59:36,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614947578] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 22:59:36,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 22:59:36,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-08-22 22:59:36,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225496894] [2024-08-22 22:59:36,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 22:59:36,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-22 22:59:36,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:36,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-22 22:59:36,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-08-22 22:59:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:36,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:36,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 23 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) [2024-08-22 22:59:36,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:36,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:36,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 22:59:36,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-22 22:59:36,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:36,709 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:36,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:36,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1450740566, now seen corresponding path program 3 times [2024-08-22 22:59:36,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:36,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137243563] [2024-08-22 22:59:36,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:36,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-08-22 22:59:37,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:37,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137243563] [2024-08-22 22:59:37,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137243563] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:37,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939207539] [2024-08-22 22:59:37,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 22:59:37,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:37,143 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) [2024-08-22 22:59:37,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-22 22:59:37,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-08-22 22:59:37,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 22:59:37,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-22 22:59:37,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-08-22 22:59:37,414 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 22:59:37,430 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 25 treesize of output 9 [2024-08-22 22:59:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-08-22 22:59:37,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939207539] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:37,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-22 22:59:37,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 6 [2024-08-22 22:59:37,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508630923] [2024-08-22 22:59:37,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:59:37,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 22:59:37,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:59:37,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 22:59:37,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-22 22:59:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:37,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:59:37,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-22 22:59:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:59:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 22:59:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 22:59:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:59:37,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-22 22:59:37,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-22 22:59:37,762 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 22:59:37,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:59:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1686395522, now seen corresponding path program 1 times [2024-08-22 22:59:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:59:37,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332141440] [2024-08-22 22:59:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:37,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:59:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-22 22:59:53,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:59:53,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332141440] [2024-08-22 22:59:53,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332141440] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 22:59:53,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672656455] [2024-08-22 22:59:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:59:53,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 22:59:53,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:59:53,312 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) [2024-08-22 22:59:53,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-22 22:59:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:59:53,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 158 conjunts are in the unsatisfiable core [2024-08-22 22:59:53,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 22:59:53,795 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 [2024-08-22 22:59:53,864 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-08-22 22:59:53,864 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 [2024-08-22 22:59:53,940 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 19 treesize of output 1 [2024-08-22 22:59:54,031 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 [2024-08-22 22:59:54,035 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 [2024-08-22 22:59:54,041 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 [2024-08-22 22:59:54,111 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-08-22 22:59:54,111 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 [2024-08-22 22:59:54,198 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 [2024-08-22 22:59:54,207 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 [2024-08-22 22:59:54,211 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 [2024-08-22 22:59:54,293 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 [2024-08-22 22:59:54,301 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 [2024-08-22 22:59:54,313 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 [2024-08-22 22:59:57,568 INFO L349 Elim1Store]: treesize reduction 32, result has 73.6 percent of original size [2024-08-22 22:59:57,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 185 treesize of output 197 [2024-08-22 22:59:57,617 INFO L349 Elim1Store]: treesize reduction 53, result has 56.2 percent of original size [2024-08-22 22:59:57,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 111 treesize of output 110 [2024-08-22 22:59:57,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 22:59:57,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 224 treesize of output 344 [2024-08-22 23:00:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-22 23:00:03,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:00:09,383 WARN L854 $PredicateComparison]: unable to prove that (or (= c_~res2~0 c_~res1~0) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~nondet56#1_352| Int) (v_ArrVal_1021 (Array Int Int)) (~B~0.base Int) (~A~0.base Int)) (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* |c_ULTIMATE.start_create_fresh_int_array_~i~4#1| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) |v_ULTIMATE.start_create_fresh_int_array_#t~nondet56#1_352|)) c_~mult~0.base v_ArrVal_1021))) (let ((.cse4 (select .cse5 ~B~0.base))) (let ((.cse3 (select .cse4 (+ 4 c_~B~0.offset))) (.cse1 (select (select .cse5 ~A~0.base) (+ c_~A~0.offset 4))) (.cse0 (select .cse4 c_~B~0.offset)) (.cse2 (select .cse4 (+ 8 c_~B~0.offset)))) (or (< c_~maxB~0 (+ .cse0 1)) (< .cse1 0) (< c_~maxB~0 (+ .cse2 1)) (< .cse3 0) (< c_~maxB~0 (+ .cse3 1)) (< |c_ULTIMATE.start_main_~i~3#1| .cse1) (< .cse0 0) (< .cse2 0))))))) is different from false [2024-08-22 23:00:10,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:00:10,745 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 381 treesize of output 201 [2024-08-22 23:00:10,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:00:10,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1273 treesize of output 1241 [2024-08-22 23:00:10,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:00:10,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 547 treesize of output 547 [2024-08-22 23:00:10,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:00:10,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 377 treesize of output 349 [2024-08-22 23:00:11,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 21 [2024-08-22 23:00:14,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:00:14,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3994 treesize of output 3318 [2024-08-22 23:00:16,550 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-08-22 23:00:16,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2888 treesize of output 1 [2024-08-22 23:00:16,611 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-08-22 23:00:16,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 448 treesize of output 1 [2024-08-22 23:00:16,651 INFO L349 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2024-08-22 23:00:16,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2158 treesize of output 1 [2024-08-22 23:00:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 28 refuted. 2 times theorem prover too weak. 12 trivial. 3 not checked. [2024-08-22 23:00:16,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672656455] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:00:16,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 23:00:16,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 29] total 95 [2024-08-22 23:00:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046221947] [2024-08-22 23:00:16,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 23:00:16,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-08-22 23:00:16,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 23:00:16,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-08-22 23:00:16,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=8247, Unknown=21, NotChecked=186, Total=9120 [2024-08-22 23:00:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:00:16,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:00:16,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 1.5104166666666667) internal successors, (145), 95 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:00:16,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:00:16,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:00:16,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:00:19,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-22 23:00:21,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-22 23:00:23,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-22 23:00:26,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-22 23:00:30,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-22 23:00:48,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-22 23:01:07,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:07,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:07,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-22 23:01:08,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:01:08,140 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:01:08,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:01:08,140 INFO L85 PathProgramCache]: Analyzing trace with hash 24136962, now seen corresponding path program 2 times [2024-08-22 23:01:08,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 23:01:08,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930444005] [2024-08-22 23:01:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:01:08,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 23:01:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:01:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-08-22 23:01:08,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 23:01:08,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930444005] [2024-08-22 23:01:08,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930444005] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 23:01:08,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562641519] [2024-08-22 23:01:08,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 23:01:08,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:01:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:01:08,641 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) [2024-08-22 23:01:08,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-22 23:01:08,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 23:01:08,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:01:08,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-22 23:01:08,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:01:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-08-22 23:01:09,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:01:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-08-22 23:01:09,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562641519] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:01:09,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 23:01:09,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-08-22 23:01:09,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606858140] [2024-08-22 23:01:09,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 23:01:09,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-22 23:01:09,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 23:01:09,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-22 23:01:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-08-22 23:01:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:09,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:01:09,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:10,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-22 23:01:10,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-22 23:01:10,434 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:01:10,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:01:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash 8507564, now seen corresponding path program 3 times [2024-08-22 23:01:10,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 23:01:10,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34105730] [2024-08-22 23:01:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:01:10,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 23:01:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:01:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-08-22 23:01:11,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 23:01:11,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34105730] [2024-08-22 23:01:11,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34105730] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 23:01:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625483501] [2024-08-22 23:01:11,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 23:01:11,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:01:11,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:01:11,016 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) [2024-08-22 23:01:11,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-22 23:01:11,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-08-22 23:01:11,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:01:11,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-22 23:01:11,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:01:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-08-22 23:01:12,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:01:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-08-22 23:01:13,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625483501] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:01:13,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 23:01:13,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-08-22 23:01:13,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109600061] [2024-08-22 23:01:13,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 23:01:13,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-22 23:01:13,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 23:01:13,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-22 23:01:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2024-08-22 23:01:13,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:13,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:01:13,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:13,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:14,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:14,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:14,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-08-22 23:01:14,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-22 23:01:14,226 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:01:14,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:01:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash 880829184, now seen corresponding path program 4 times [2024-08-22 23:01:14,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 23:01:14,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034057935] [2024-08-22 23:01:14,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:01:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 23:01:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:01:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-22 23:01:14,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 23:01:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034057935] [2024-08-22 23:01:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034057935] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 23:01:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137034340] [2024-08-22 23:01:14,750 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-22 23:01:14,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:01:14,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:01:14,752 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 23:01:14,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-22 23:01:14,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-22 23:01:14,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:01:14,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2024-08-22 23:01:14,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:01:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-08-22 23:01:16,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:01:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-08-22 23:01:17,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137034340] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:01:17,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 23:01:17,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 32 [2024-08-22 23:01:17,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288636117] [2024-08-22 23:01:17,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 23:01:17,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-22 23:01:17,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 23:01:17,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-22 23:01:17,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=822, Unknown=0, NotChecked=0, Total=992 [2024-08-22 23:01:17,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:17,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:01:17,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:01:17,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:17,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:17,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:17,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:17,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:17,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:22,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:01:22,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-08-22 23:01:22,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-22 23:01:22,244 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:01:22,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:01:22,244 INFO L85 PathProgramCache]: Analyzing trace with hash 623648838, now seen corresponding path program 5 times [2024-08-22 23:01:22,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 23:01:22,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35231437] [2024-08-22 23:01:22,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:01:22,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 23:01:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:01:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-08-22 23:01:23,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 23:01:23,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35231437] [2024-08-22 23:01:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35231437] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 23:01:23,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521590911] [2024-08-22 23:01:23,001 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-22 23:01:23,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:01:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:01:23,006 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 23:01:23,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-22 23:01:29,931 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-08-22 23:01:29,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:01:29,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-22 23:01:29,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:01:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-08-22 23:01:31,034 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:01:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-08-22 23:01:31,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521590911] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:01:31,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 23:01:31,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 9] total 29 [2024-08-22 23:01:31,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231107038] [2024-08-22 23:01:31,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 23:01:31,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-08-22 23:01:31,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 23:01:31,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-08-22 23:01:31,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2024-08-22 23:01:31,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:31,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:01:31,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 29 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:01:31,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:01:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-22 23:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-22 23:01:35,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-22 23:01:36,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:01:36,032 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:01:36,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:01:36,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2117370996, now seen corresponding path program 6 times [2024-08-22 23:01:36,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 23:01:36,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788496445] [2024-08-22 23:01:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:01:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 23:01:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:02:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 77 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 23:02:17,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 23:02:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788496445] [2024-08-22 23:02:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788496445] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 23:02:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161090928] [2024-08-22 23:02:17,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-22 23:02:17,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 23:02:17,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:02:17,919 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 23:02:17,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-22 23:02:18,568 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-08-22 23:02:18,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:02:18,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 90 conjunts are in the unsatisfiable core [2024-08-22 23:02:18,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:02:29,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:02:29,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 271 treesize of output 287 [2024-08-22 23:02:29,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:02:29,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 207 [2024-08-22 23:02:30,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:02:30,910 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 16 new quantified variables, introduced 66 case distinctions, treesize of input 310 treesize of output 630 [2024-08-22 23:05:02,543 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-08-22 23:05:02,544 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 101 [2024-08-22 23:05:02,545 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-08-22 23:05:02,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-08-22 23:05:02,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-22 23:05:02,750 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) 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.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) 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.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) 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.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) 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:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) 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) ... 68 more [2024-08-22 23:05:02,755 INFO L158 Benchmark]: Toolchain (without parser) took 343587.18ms. Allocated memory was 159.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 81.8MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-08-22 23:05:02,755 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 23:05:02,755 INFO L158 Benchmark]: Witness Parser took 0.43ms. Allocated memory is still 159.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 23:05:02,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.27ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 81.6MB in the beginning and 183.1MB in the end (delta: -101.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-08-22 23:05:02,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 213.9MB. Free memory was 183.1MB in the beginning and 180.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-22 23:05:02,755 INFO L158 Benchmark]: Boogie Preprocessor took 42.93ms. Allocated memory is still 213.9MB. Free memory was 180.0MB in the beginning and 176.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 23:05:02,755 INFO L158 Benchmark]: RCFGBuilder took 1007.83ms. Allocated memory is still 213.9MB. Free memory was 176.8MB in the beginning and 163.3MB in the end (delta: 13.6MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2024-08-22 23:05:02,756 INFO L158 Benchmark]: TraceAbstraction took 342067.06ms. Allocated memory was 213.9MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 162.2MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-08-22 23:05:02,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.43ms. Allocated memory is still 159.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.27ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 81.6MB in the beginning and 183.1MB in the end (delta: -101.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 213.9MB. Free memory was 183.1MB in the beginning and 180.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.93ms. Allocated memory is still 213.9MB. Free memory was 180.0MB in the beginning and 176.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.83ms. Allocated memory is still 213.9MB. Free memory was 176.8MB in the beginning and 163.3MB in the end (delta: 13.6MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * TraceAbstraction took 342067.06ms. Allocated memory was 213.9MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 162.2MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-22 23:05:02,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 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.2024-08-08_07-59-58.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 23:05:04,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 23:05:04,931 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-22 23:05:04,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 23:05:04,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 23:05:04,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 23:05:04,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 23:05:04,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 23:05:04,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 23:05:04,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 23:05:04,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 23:05:04,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 23:05:04,964 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 23:05:04,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 23:05:04,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 23:05:04,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 23:05:04,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 23:05:04,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 23:05:04,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 23:05:04,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 23:05:04,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 23:05:04,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-22 23:05:04,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 23:05:04,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-22 23:05:04,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 23:05:04,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 23:05:04,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 23:05:04,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 23:05:04,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 23:05:04,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 23:05:04,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 23:05:04,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 23:05:04,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 23:05:04,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 23:05:04,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 23:05:04,971 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-22 23:05:04,971 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 23:05:04,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-22 23:05:04,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 23:05:04,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 23:05:04,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 23:05:04,973 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 23:05:04,973 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 23:05:04,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-22 23:05:04,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-22 23:05:05,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 23:05:05,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 23:05:05,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 23:05:05,269 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 23:05:05,270 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 23:05:05,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-bad-dot-product-alt.wvr.yml/witness.yml [2024-08-22 23:05:05,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 23:05:05,338 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 23:05:05,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-08-22 23:05:06,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 23:05:06,875 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 23:05:06,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c [2024-08-22 23:05:06,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7ccbb9ad9/950fce6781db466b97ff271ae4051b72/FLAG6d99424e0 [2024-08-22 23:05:07,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7ccbb9ad9/950fce6781db466b97ff271ae4051b72 [2024-08-22 23:05:07,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 23:05:07,294 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 23:05:07,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 23:05:07,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 23:05:07,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 23:05:07,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 11:05:05" (1/2) ... [2024-08-22 23:05:07,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b35f32c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 11:05:07, skipping insertion in model container [2024-08-22 23:05:07,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 11:05:05" (1/2) ... [2024-08-22 23:05:07,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c75b316 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 11:05:07, skipping insertion in model container [2024-08-22 23:05:07,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:05:07" (2/2) ... [2024-08-22 23:05:07,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b35f32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07, skipping insertion in model container [2024-08-22 23:05:07,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:05:07" (2/2) ... [2024-08-22 23:05:07,305 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-22 23:05:07,323 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 23:05:07,323 INFO L97 edCorrectnessWitness]: 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) [2024-08-22 23:05:07,324 INFO L97 edCorrectnessWitness]: 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) [2024-08-22 23:05:07,324 INFO L97 edCorrectnessWitness]: 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) [2024-08-22 23:05:07,324 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 23:05:07,324 INFO L106 edCorrectnessWitness]: ghost_update [L102-L102] multithreaded = 1; [2024-08-22 23:05:07,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 23:05:07,521 WARN L247 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] [2024-08-22 23:05:07,533 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 23:05:07,544 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-22 23:05:07,658 WARN L247 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] [2024-08-22 23:05:07,666 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 23:05:07,684 INFO L206 MainTranslator]: Completed translation [2024-08-22 23:05:07,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07 WrapperNode [2024-08-22 23:05:07,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 23:05:07,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 23:05:07,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 23:05:07,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 23:05:07,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,755 INFO L138 Inliner]: procedures = 29, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 356 [2024-08-22 23:05:07,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 23:05:07,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 23:05:07,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 23:05:07,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 23:05:07,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 23:05:07,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 23:05:07,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 23:05:07,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 23:05:07,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (1/1) ... [2024-08-22 23:05:07,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 23:05:07,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:05:07,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-22 23:05:07,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-22 23:05:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-22 23:05:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-22 23:05:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-22 23:05:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-22 23:05:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 23:05:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 23:05:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-22 23:05:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 23:05:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 23:05:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-22 23:05:07,869 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 23:05:07,969 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 23:05:07,970 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 23:05:08,881 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 23:05:08,881 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 23:05:09,281 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 23:05:09,282 INFO L319 CfgBuilder]: Removed 7 assume(true) statements. [2024-08-22 23:05:09,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:05:09 BoogieIcfgContainer [2024-08-22 23:05:09,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 23:05:09,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 23:05:09,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 23:05:09,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 23:05:09,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 11:05:05" (1/4) ... [2024-08-22 23:05:09,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7741d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 11:05:09, skipping insertion in model container [2024-08-22 23:05:09,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 11:05:07" (2/4) ... [2024-08-22 23:05:09,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:05:09, skipping insertion in model container [2024-08-22 23:05:09,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:05:07" (3/4) ... [2024-08-22 23:05:09,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:05:09, skipping insertion in model container [2024-08-22 23:05:09,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:05:09" (4/4) ... [2024-08-22 23:05:09,295 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-08-22 23:05:09,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 23:05:09,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-22 23:05:09,319 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 23:05:09,385 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-22 23:05:09,421 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 23:05:09,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 23:05:09,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 23:05:09,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-22 23:05:09,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-22 23:05:09,446 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 23:05:09,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 23:05:09,460 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@325672a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 23:05:09,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-22 23:05:09,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:05:09,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:05:09,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1730083506, now seen corresponding path program 1 times [2024-08-22 23:05:09,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:05:09,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564154852] [2024-08-22 23:05:09,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:05:09,958 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 [2024-08-22 23:05:09,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:05:09,980 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) [2024-08-22 23:05:09,985 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 [2024-08-22 23:05:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:05:10,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-22 23:05:10,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:05:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 23:05:10,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 23:05:10,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:05:10,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564154852] [2024-08-22 23:05:10,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564154852] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 23:05:10,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 23:05:10,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 23:05:10,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496030345] [2024-08-22 23:05:10,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 23:05:10,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 23:05:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:05:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 23:05:10,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 23:05:10,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:05:10,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:05:10,351 INFO L496 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) [2024-08-22 23:05:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:05:10,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:05:10,696 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 (3)] Forceful destruction successful, exit code 0 [2024-08-22 23:05:10,888 WARN L477 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 [2024-08-22 23:05:10,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:05:10,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:05:10,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2142593990, now seen corresponding path program 1 times [2024-08-22 23:05:10,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:05:10,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36122219] [2024-08-22 23:05:10,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:05:10,890 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 [2024-08-22 23:05:10,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:05:10,893 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) [2024-08-22 23:05:10,894 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 [2024-08-22 23:05:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:05:11,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-22 23:05:11,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:05:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 23:05:11,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:05:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 23:05:28,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:05:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36122219] [2024-08-22 23:05:28,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36122219] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:05:28,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:05:28,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2024-08-22 23:05:28,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50316133] [2024-08-22 23:05:28,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:05:28,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-22 23:05:28,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:05:28,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-22 23:05:28,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-08-22 23:05:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:05:28,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:05:28,790 INFO L496 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) [2024-08-22 23:05:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:05:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:05:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:05:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:05:36,091 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 [2024-08-22 23:05:36,286 WARN L477 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 [2024-08-22 23:05:36,286 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:05:36,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:05:36,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1366724625, now seen corresponding path program 1 times [2024-08-22 23:05:36,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:05:36,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177516590] [2024-08-22 23:05:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:05:36,287 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 [2024-08-22 23:05:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:05:36,294 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) [2024-08-22 23:05:36,295 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 [2024-08-22 23:05:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:05:36,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2024-08-22 23:05:36,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:05:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 23:05:36,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:05:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 23:05:36,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:05:36,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177516590] [2024-08-22 23:05:36,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177516590] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:05:36,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:05:36,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-08-22 23:05:36,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204098825] [2024-08-22 23:05:36,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:05:36,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-22 23:05:36,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:05:36,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-22 23:05:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-08-22 23:05:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:05:36,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:05:36,784 INFO L496 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) [2024-08-22 23:05:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:05:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:05:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:05:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:05:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:05:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:05:37,666 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 [2024-08-22 23:05:37,861 WARN L477 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 [2024-08-22 23:05:37,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:05:37,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:05:37,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1442269402, now seen corresponding path program 2 times [2024-08-22 23:05:37,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:05:37,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163147430] [2024-08-22 23:05:37,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 23:05:37,863 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 [2024-08-22 23:05:37,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:05:37,869 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) [2024-08-22 23:05:37,881 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 [2024-08-22 23:05:38,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 23:05:38,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:05:38,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-22 23:05:38,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:05:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-08-22 23:05:38,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-08-22 23:06:03,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:03,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163147430] [2024-08-22 23:06:03,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163147430] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-22 23:06:03,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 23:06:03,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-08-22 23:06:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78410416] [2024-08-22 23:06:03,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 23:06:03,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 23:06:03,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:03,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 23:06:03,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-08-22 23:06:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:03,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:03,691 INFO L496 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) [2024-08-22 23:06:03,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:03,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:03,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:03,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:18,663 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 [2024-08-22 23:06:18,855 WARN L477 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 [2024-08-22 23:06:18,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:18,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash -416987474, now seen corresponding path program 1 times [2024-08-22 23:06:18,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:18,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979645468] [2024-08-22 23:06:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:06:18,856 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 [2024-08-22 23:06:18,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:18,858 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) [2024-08-22 23:06:18,859 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 [2024-08-22 23:06:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:06:19,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-22 23:06:19,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-08-22 23:06:19,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 23:06:19,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:19,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979645468] [2024-08-22 23:06:19,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979645468] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 23:06:19,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 23:06:19,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-22 23:06:19,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729718101] [2024-08-22 23:06:19,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 23:06:19,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-22 23:06:19,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:19,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-22 23:06:19,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-22 23:06:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:19,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:19,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:06:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:21,629 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 (7)] Forceful destruction successful, exit code 0 [2024-08-22 23:06:21,821 WARN L477 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 [2024-08-22 23:06:21,822 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:21,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:21,822 INFO L85 PathProgramCache]: Analyzing trace with hash -805127660, now seen corresponding path program 1 times [2024-08-22 23:06:21,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:21,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831423724] [2024-08-22 23:06:21,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:06:21,823 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 [2024-08-22 23:06:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:21,829 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) [2024-08-22 23:06:21,834 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 [2024-08-22 23:06:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:06:22,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-22 23:06:22,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-22 23:06:22,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-22 23:06:23,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:23,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831423724] [2024-08-22 23:06:23,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831423724] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:06:23,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:06:23,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-08-22 23:06:23,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310022392] [2024-08-22 23:06:23,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:06:23,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-22 23:06:23,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:23,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-22 23:06:23,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-08-22 23:06:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:23,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:23,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 19 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:06:23,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:23,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:29,113 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 (8)] Ended with exit code 0 [2024-08-22 23:06:29,305 WARN L477 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 [2024-08-22 23:06:29,306 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:29,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:29,306 INFO L85 PathProgramCache]: Analyzing trace with hash 585502984, now seen corresponding path program 1 times [2024-08-22 23:06:29,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:29,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960209214] [2024-08-22 23:06:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:06:29,307 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 [2024-08-22 23:06:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:29,310 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) [2024-08-22 23:06:29,315 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 [2024-08-22 23:06:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:06:29,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-22 23:06:29,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-22 23:06:30,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-08-22 23:06:30,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:30,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960209214] [2024-08-22 23:06:30,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960209214] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-22 23:06:30,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 23:06:30,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 19 [2024-08-22 23:06:30,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033784606] [2024-08-22 23:06:30,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 23:06:30,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 23:06:30,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:30,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 23:06:30,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-08-22 23:06:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:30,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:30,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:31,994 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 [2024-08-22 23:06:32,190 WARN L477 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 [2024-08-22 23:06:32,191 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:32,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:32,191 INFO L85 PathProgramCache]: Analyzing trace with hash -354193930, now seen corresponding path program 1 times [2024-08-22 23:06:32,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:32,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648802834] [2024-08-22 23:06:32,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:06:32,192 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 [2024-08-22 23:06:32,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:32,194 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) [2024-08-22 23:06:32,195 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 (10)] Waiting until timeout for monitored process [2024-08-22 23:06:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:06:32,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-22 23:06:32,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-22 23:06:33,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-22 23:06:33,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:33,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648802834] [2024-08-22 23:06:33,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648802834] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:06:33,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:06:33,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-08-22 23:06:33,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331121551] [2024-08-22 23:06:33,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:06:33,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-22 23:06:33,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:33,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-22 23:06:33,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-08-22 23:06:33,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:33,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:33,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.1666666666666665) internal successors, (76), 23 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) [2024-08-22 23:06:33,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:33,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:37,834 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 (10)] Forceful destruction successful, exit code 0 [2024-08-22 23:06:38,023 WARN L477 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 [2024-08-22 23:06:38,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:38,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash -885862938, now seen corresponding path program 2 times [2024-08-22 23:06:38,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:38,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839914941] [2024-08-22 23:06:38,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 23:06:38,025 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 [2024-08-22 23:06:38,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:38,028 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) [2024-08-22 23:06:38,032 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 [2024-08-22 23:06:38,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 23:06:38,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:06:38,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-22 23:06:38,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-22 23:06:38,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-22 23:06:40,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:40,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839914941] [2024-08-22 23:06:40,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839914941] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:06:40,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:06:40,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-08-22 23:06:40,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702624217] [2024-08-22 23:06:40,624 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:06:40,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-08-22 23:06:40,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:40,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-08-22 23:06:40,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-08-22 23:06:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:40,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:40,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0357142857142856) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:06:45,065 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 (11)] Ended with exit code 0 [2024-08-22 23:06:45,252 WARN L477 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 [2024-08-22 23:06:45,253 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:45,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash 422969496, now seen corresponding path program 3 times [2024-08-22 23:06:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379281011] [2024-08-22 23:06:45,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 23:06:45,254 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 [2024-08-22 23:06:45,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:45,255 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) [2024-08-22 23:06:45,256 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 [2024-08-22 23:06:45,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-22 23:06:45,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:06:45,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-22 23:06:45,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-08-22 23:06:45,604 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 23:06:45,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:45,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379281011] [2024-08-22 23:06:45,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379281011] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 23:06:45,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 23:06:45,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 23:06:45,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204192659] [2024-08-22 23:06:45,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 23:06:45,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 23:06:45,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:45,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 23:06:45,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 23:06:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:45,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:45,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:06:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:06:46,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:06:46,513 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 [2024-08-22 23:06:46,706 WARN L477 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 [2024-08-22 23:06:46,706 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:46,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:46,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1355051838, now seen corresponding path program 1 times [2024-08-22 23:06:46,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:46,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9859480] [2024-08-22 23:06:46,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 23:06:46,707 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 [2024-08-22 23:06:46,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:46,711 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) [2024-08-22 23:06:46,712 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 [2024-08-22 23:06:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:06:47,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-22 23:06:47,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-08-22 23:06:47,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-08-22 23:06:49,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:49,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9859480] [2024-08-22 23:06:49,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9859480] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:06:49,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:06:49,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-08-22 23:06:49,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190521198] [2024-08-22 23:06:49,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:06:49,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-22 23:06:49,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:49,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-22 23:06:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=760, Unknown=0, NotChecked=0, Total=992 [2024-08-22 23:06:49,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:49,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:49,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.96875) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:49,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:06:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:06:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:06:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:06:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:06:55,348 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 (13)] Forceful destruction successful, exit code 0 [2024-08-22 23:06:55,541 WARN L477 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 [2024-08-22 23:06:55,541 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:06:55,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:06:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2128446936, now seen corresponding path program 2 times [2024-08-22 23:06:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:06:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31992098] [2024-08-22 23:06:55,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 23:06:55,542 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 [2024-08-22 23:06:55,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:06:55,544 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) [2024-08-22 23:06:55,544 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 [2024-08-22 23:06:56,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 23:06:56,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:06:56,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 22 conjunts are in the unsatisfiable core [2024-08-22 23:06:56,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:06:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-08-22 23:06:57,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:06:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-08-22 23:06:58,582 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:06:58,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31992098] [2024-08-22 23:06:58,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31992098] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:06:58,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:06:58,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-08-22 23:06:58,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139563590] [2024-08-22 23:06:58,583 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:06:58,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-08-22 23:06:58,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:06:58,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-08-22 23:06:58,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2024-08-22 23:06:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:06:58,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:06:58,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.861111111111111) internal successors, (103), 35 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:06:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:06:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:06:58,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:07:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:07:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:07:03,197 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 [2024-08-22 23:07:03,388 WARN L477 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 [2024-08-22 23:07:03,389 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:07:03,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:07:03,390 INFO L85 PathProgramCache]: Analyzing trace with hash -546474562, now seen corresponding path program 3 times [2024-08-22 23:07:03,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:07:03,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424251409] [2024-08-22 23:07:03,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 23:07:03,390 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 [2024-08-22 23:07:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:07:03,391 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) [2024-08-22 23:07:03,394 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 [2024-08-22 23:07:04,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-22 23:07:04,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:07:04,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 19 conjunts are in the unsatisfiable core [2024-08-22 23:07:04,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:07:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-08-22 23:07:04,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:07:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-08-22 23:07:06,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:07:06,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424251409] [2024-08-22 23:07:06,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424251409] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:07:06,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:07:06,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 27 [2024-08-22 23:07:06,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825820659] [2024-08-22 23:07:06,895 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:07:06,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-22 23:07:06,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:07:06,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-22 23:07:06,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-08-22 23:07:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:07:06,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:07:06,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.2962962962962963) 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) [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:07:06,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:07:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:07:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:07:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:07:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:07:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-08-22 23:07:15,737 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 (15)] Ended with exit code 0 [2024-08-22 23:07:15,924 WARN L477 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 [2024-08-22 23:07:15,925 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:07:15,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:07:15,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1563682698, now seen corresponding path program 4 times [2024-08-22 23:07:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:07:15,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100551346] [2024-08-22 23:07:15,926 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-22 23:07:15,926 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 [2024-08-22 23:07:15,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:07:15,931 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) [2024-08-22 23:07:15,932 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 [2024-08-22 23:07:16,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-22 23:07:16,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:07:16,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-22 23:07:16,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:07:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-08-22 23:07:17,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:07:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-08-22 23:07:18,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:07:18,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100551346] [2024-08-22 23:07:18,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100551346] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:07:18,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:07:18,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2024-08-22 23:07:18,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780989653] [2024-08-22 23:07:18,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:07:18,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-08-22 23:07:18,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:07:18,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-08-22 23:07:18,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=1236, Unknown=0, NotChecked=0, Total=1560 [2024-08-22 23:07:18,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:07:18,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:07:18,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.925) internal successors, (117), 39 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:07:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:07:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:07:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:07:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:07:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:07:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-08-22 23:07:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:07:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:07:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:07:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:07:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-22 23:07:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:07:24,847 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 (16)] Forceful destruction successful, exit code 0 [2024-08-22 23:07:25,037 WARN L477 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 [2024-08-22 23:07:25,038 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:07:25,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:07:25,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1462018462, now seen corresponding path program 5 times [2024-08-22 23:07:25,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:07:25,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381418631] [2024-08-22 23:07:25,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-22 23:07:25,038 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 [2024-08-22 23:07:25,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:07:25,041 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) [2024-08-22 23:07:25,042 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 [2024-08-22 23:07:28,056 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-08-22 23:07:28,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:07:28,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 45 conjunts are in the unsatisfiable core [2024-08-22 23:07:28,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:07:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 19 proven. 69 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-08-22 23:07:31,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:07:34,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-22 23:07:34,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 79 [2024-08-22 23:07:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-08-22 23:07:37,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:07:37,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381418631] [2024-08-22 23:07:37,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381418631] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:07:37,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:07:37,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 43 [2024-08-22 23:07:37,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684858365] [2024-08-22 23:07:37,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:07:37,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-08-22 23:07:37,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:07:37,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-08-22 23:07:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1509, Unknown=0, NotChecked=0, Total=1806 [2024-08-22 23:07:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:07:37,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:07:37,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.558139534883721) internal successors, (110), 43 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:07:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:07:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-08-22 23:08:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:08:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:08:21,943 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 (17)] Ended with exit code 0 [2024-08-22 23:08:22,117 WARN L477 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 [2024-08-22 23:08:22,118 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:08:22,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:08:22,118 INFO L85 PathProgramCache]: Analyzing trace with hash 710961478, now seen corresponding path program 6 times [2024-08-22 23:08:22,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:08:22,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713133261] [2024-08-22 23:08:22,119 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-22 23:08:22,119 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 [2024-08-22 23:08:22,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:08:22,120 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) [2024-08-22 23:08:22,120 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 [2024-08-22 23:08:28,434 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-08-22 23:08:28,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:08:28,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 27 conjunts are in the unsatisfiable core [2024-08-22 23:08:28,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:08:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-08-22 23:08:30,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:08:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 12 proven. 163 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-08-22 23:08:33,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:08:33,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713133261] [2024-08-22 23:08:33,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713133261] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:08:33,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:08:33,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24] total 46 [2024-08-22 23:08:33,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634852306] [2024-08-22 23:08:33,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:08:33,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-08-22 23:08:33,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:08:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-08-22 23:08:33,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=1736, Unknown=0, NotChecked=0, Total=2162 [2024-08-22 23:08:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:08:33,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:08:33,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 46 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:08:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:08:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:08:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:08:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:08:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-08-22 23:08:33,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:08:33,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:08:33,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:08:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:08:45,903 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 (18)] Ended with exit code 0 [2024-08-22 23:08:46,075 WARN L477 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 [2024-08-22 23:08:46,075 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:08:46,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:08:46,076 INFO L85 PathProgramCache]: Analyzing trace with hash -465006650, now seen corresponding path program 7 times [2024-08-22 23:08:46,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:08:46,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661994121] [2024-08-22 23:08:46,077 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-22 23:08:46,077 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 [2024-08-22 23:08:46,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:08:46,078 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) [2024-08-22 23:08:46,080 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 [2024-08-22 23:08:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 23:08:47,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-22 23:08:47,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:08:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 84 proven. 92 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-08-22 23:08:48,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:08:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 84 proven. 92 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-08-22 23:08:52,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:08:52,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661994121] [2024-08-22 23:08:52,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661994121] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:08:52,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:08:52,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2024-08-22 23:08:52,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175252648] [2024-08-22 23:08:52,479 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:08:52,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-08-22 23:08:52,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:08:52,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-08-22 23:08:52,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1358, Unknown=0, NotChecked=0, Total=1722 [2024-08-22 23:08:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:08:52,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:08:52,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 41 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:08:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:08:52,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:09:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:09:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:09:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:09:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:09:09,590 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 (19)] Forceful destruction successful, exit code 0 [2024-08-22 23:09:09,767 WARN L477 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 [2024-08-22 23:09:09,767 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:09:09,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:09:09,768 INFO L85 PathProgramCache]: Analyzing trace with hash 90890074, now seen corresponding path program 8 times [2024-08-22 23:09:09,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:09:09,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419689469] [2024-08-22 23:09:09,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 23:09:09,769 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 [2024-08-22 23:09:09,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:09:09,771 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) [2024-08-22 23:09:09,772 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 [2024-08-22 23:09:10,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 23:09:10,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:09:10,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 41 conjunts are in the unsatisfiable core [2024-08-22 23:09:10,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:09:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-08-22 23:09:13,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:09:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-08-22 23:09:17,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:09:17,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419689469] [2024-08-22 23:09:17,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419689469] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:09:17,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:09:17,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 57 [2024-08-22 23:09:17,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323281497] [2024-08-22 23:09:17,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:09:17,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-08-22 23:09:17,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:09:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-08-22 23:09:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=2759, Unknown=0, NotChecked=0, Total=3306 [2024-08-22 23:09:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:09:17,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:09:17,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.913793103448276) internal successors, (169), 57 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) [2024-08-22 23:09:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:09:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:09:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:09:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:09:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:09:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:09:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:09:36,941 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 (20)] Ended with exit code 0 [2024-08-22 23:09:37,116 WARN L477 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 [2024-08-22 23:09:37,116 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:09:37,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:09:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1565923268, now seen corresponding path program 9 times [2024-08-22 23:09:37,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:09:37,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661674181] [2024-08-22 23:09:37,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 23:09:37,117 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 [2024-08-22 23:09:37,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:09:37,119 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) [2024-08-22 23:09:37,119 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 [2024-08-22 23:09:41,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-08-22 23:09:41,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:09:42,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-22 23:09:42,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:09:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 117 proven. 34 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-08-22 23:09:43,422 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:09:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 117 proven. 34 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-08-22 23:09:44,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:09:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661674181] [2024-08-22 23:09:44,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661674181] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:09:44,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:09:44,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 28 [2024-08-22 23:09:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373043629] [2024-08-22 23:09:44,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:09:44,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-08-22 23:09:44,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:09:44,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-08-22 23:09:44,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2024-08-22 23:09:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:09:44,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:09:44,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.607142857142857) internal successors, (101), 28 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:09:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:09:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:09:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:09:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:09:44,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:09:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:09:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:09:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:09:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:09:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:09:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:09:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:09:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:09:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:09:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:09:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-08-22 23:09:58,046 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 (21)] Forceful destruction successful, exit code 0 [2024-08-22 23:09:58,218 WARN L477 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 [2024-08-22 23:09:58,218 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:09:58,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:09:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash -723676012, now seen corresponding path program 10 times [2024-08-22 23:09:58,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:09:58,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637611267] [2024-08-22 23:09:58,219 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-22 23:09:58,219 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 [2024-08-22 23:09:58,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:09:58,222 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) [2024-08-22 23:09:58,222 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 [2024-08-22 23:09:59,277 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-22 23:09:59,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:09:59,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 41 conjunts are in the unsatisfiable core [2024-08-22 23:09:59,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:10:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-08-22 23:10:01,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:10:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-08-22 23:10:10,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:10:10,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637611267] [2024-08-22 23:10:10,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637611267] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:10:10,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:10:10,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33] total 63 [2024-08-22 23:10:10,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601440841] [2024-08-22 23:10:10,526 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:10:10,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-08-22 23:10:10,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:10:10,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-08-22 23:10:10,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=817, Invalid=3215, Unknown=0, NotChecked=0, Total=4032 [2024-08-22 23:10:10,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:10:10,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:10:10,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.140625) internal successors, (201), 63 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:10:10,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-08-22 23:10:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:10:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:10:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-08-22 23:10:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-08-22 23:10:40,269 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 (22)] Ended with exit code 0 [2024-08-22 23:10:40,441 WARN L477 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 [2024-08-22 23:10:40,441 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:10:40,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:10:40,442 INFO L85 PathProgramCache]: Analyzing trace with hash 515854210, now seen corresponding path program 11 times [2024-08-22 23:10:40,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:10:40,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596663674] [2024-08-22 23:10:40,443 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-22 23:10:40,443 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 [2024-08-22 23:10:40,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:10:40,444 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) [2024-08-22 23:10:40,449 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 [2024-08-22 23:11:19,103 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-08-22 23:11:19,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 23:11:19,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 42 conjunts are in the unsatisfiable core [2024-08-22 23:11:19,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 23:11:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 140 proven. 202 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-08-22 23:11:22,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 23:11:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-08-22 23:11:31,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-22 23:11:31,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596663674] [2024-08-22 23:11:31,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596663674] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 23:11:31,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-22 23:11:31,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34] total 64 [2024-08-22 23:11:31,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146771784] [2024-08-22 23:11:31,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-22 23:11:31,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-08-22 23:11:31,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-22 23:11:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-08-22 23:11:31,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=3329, Unknown=0, NotChecked=0, Total=4032 [2024-08-22 23:11:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:11:31,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 23:11:31,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.671875) internal successors, (171), 64 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 23:11:31,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:11:31,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:11:31,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:11:31,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:11:31,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:11:31,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-08-22 23:11:31,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-08-22 23:11:31,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-22 23:12:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-08-22 23:12:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-08-22 23:12:37,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-08-22 23:12:37,958 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 (23)] Forceful destruction successful, exit code 0 [2024-08-22 23:12:38,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /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 [2024-08-22 23:12:38,108 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-22 23:12:38,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 23:12:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1546806046, now seen corresponding path program 12 times [2024-08-22 23:12:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-22 23:12:38,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505211992] [2024-08-22 23:12:38,109 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-22 23:12:38,109 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 [2024-08-22 23:12:38,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-22 23:12:38,112 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-08-22 23:12:38,112 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 (24)] Waiting until timeout for monitored process Killed by 15