./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 18:03:34,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 18:03:34,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 18:03:34,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 18:03:34,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 18:03:34,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 18:03:34,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 18:03:34,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 18:03:34,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 18:03:34,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 18:03:34,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 18:03:34,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 18:03:34,566 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 18:03:34,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 18:03:34,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 18:03:34,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 18:03:34,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 18:03:34,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 18:03:34,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 18:03:34,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 18:03:34,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 18:03:34,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 18:03:34,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 18:03:34,575 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 18:03:34,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 18:03:34,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 18:03:34,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 18:03:34,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 18:03:34,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 18:03:34,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 18:03:34,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:03:34,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 18:03:34,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 18:03:34,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 18:03:34,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 18:03:34,579 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 18:03:34,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 18:03:34,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 18:03:34,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 18:03:34,580 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 18:03:34,581 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 18:03:34,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 18:03:34,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 18:03:34,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 18:03:34,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 18:03:34,900 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 18:03:34,901 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 18:03:34,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml [2024-09-22 18:03:35,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 18:03:35,029 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 18:03:35,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-09-22 18:03:36,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 18:03:36,710 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 18:03:36,711 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-09-22 18:03:36,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/574de54e4/cfc58edaef5d4c83b3ef822847c10b14/FLAGa4a40cbf9 [2024-09-22 18:03:37,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/574de54e4/cfc58edaef5d4c83b3ef822847c10b14 [2024-09-22 18:03:37,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 18:03:37,089 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 18:03:37,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 18:03:37,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 18:03:37,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 18:03:37,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:03:35" (1/2) ... [2024-09-22 18:03:37,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4cbe3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:03:37, skipping insertion in model container [2024-09-22 18:03:37,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:03:35" (1/2) ... [2024-09-22 18:03:37,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@343b2aa9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:03:37, skipping insertion in model container [2024-09-22 18:03:37,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:03:37" (2/2) ... [2024-09-22 18:03:37,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4cbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37, skipping insertion in model container [2024-09-22 18:03:37,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:03:37" (2/2) ... [2024-09-22 18:03:37,122 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 18:03:37,123 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )i) + (long long )j >= 0LL) && (4294967295LL - (long long )i) + (long long )n1 >= 0LL) && (4294967295LL - (long long )i) + (long long )n2 >= 0LL) && (4294967295LL - (long long )j) + (long long )n1 >= 0LL) && (4294967295LL - (long long )j) + (long long )n2 >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )i) - (long long )j >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (6442450941LL + (long long )C) - (long long )i >= 0LL) && (6442450941LL + (long long )C) - (long long )j >= 0LL) && (6442450942LL + (long long )N) - (long long )i >= 0LL) && (6442450942LL + (long long )N) - (long long )j >= 0LL) && (6442450942LL + (long long )M) - (long long )i >= 0LL) && (6442450942LL + (long long )M) - (long long )j >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (5368709118LL - (long long )i) - (long long )n1 >= 0LL) && (5368709118LL - (long long )i) - (long long )n2 >= 0LL) && (5368709118LL - (long long )j) - (long long )n1 >= 0LL) && (5368709118LL - (long long )j) - (long long )n2 >= 0LL) && (6442450941LL - (long long )M) - (long long )i >= 0LL) && (6442450941LL - (long long )M) - (long long )j >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )C) - (long long )i >= 0LL) && (6442450942LL - (long long )C) - (long long )j >= 0LL) && (6442450942LL - (long long )N) - (long long )i >= 0LL) && (6442450942LL - (long long )N) - (long long )j >= 0LL) && (8589934590LL - (long long )i) - (long long )j >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-22 18:03:37,124 INFO L1541 ArrayList]: Location invariant before [L142-L142] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )i) + (long long )j >= 0LL) && (4294967295LL - (long long )i) + (long long )n1 >= 0LL) && (4294967295LL - (long long )i) + (long long )n2 >= 0LL) && (4294967295LL - (long long )j) + (long long )n1 >= 0LL) && (4294967295LL - (long long )j) + (long long )n2 >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )i) - (long long )j >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (6442450941LL + (long long )C) - (long long )i >= 0LL) && (6442450941LL + (long long )C) - (long long )j >= 0LL) && (6442450942LL + (long long )N) - (long long )i >= 0LL) && (6442450942LL + (long long )N) - (long long )j >= 0LL) && (6442450942LL + (long long )M) - (long long )i >= 0LL) && (6442450942LL + (long long )M) - (long long )j >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (5368709118LL - (long long )i) - (long long )n1 >= 0LL) && (5368709118LL - (long long )i) - (long long )n2 >= 0LL) && (5368709118LL - (long long )j) - (long long )n1 >= 0LL) && (5368709118LL - (long long )j) - (long long )n2 >= 0LL) && (6442450941LL - (long long )M) - (long long )i >= 0LL) && (6442450941LL - (long long )M) - (long long )j >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )C) - (long long )i >= 0LL) && (6442450942LL - (long long )C) - (long long )j >= 0LL) && (6442450942LL - (long long )N) - (long long )i >= 0LL) && (6442450942LL - (long long )N) - (long long )j >= 0LL) && (8589934590LL - (long long )i) - (long long )j >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-22 18:03:37,124 INFO L1541 ArrayList]: Location invariant before [L143-L143] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )i) + (long long )j >= 0LL) && (4294967295LL - (long long )i) + (long long )n1 >= 0LL) && (4294967295LL - (long long )i) + (long long )n2 >= 0LL) && (4294967295LL - (long long )j) + (long long )n1 >= 0LL) && (4294967295LL - (long long )j) + (long long )n2 >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )i) - (long long )j >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (6442450941LL + (long long )C) - (long long )i >= 0LL) && (6442450941LL + (long long )C) - (long long )j >= 0LL) && (6442450942LL + (long long )N) - (long long )i >= 0LL) && (6442450942LL + (long long )N) - (long long )j >= 0LL) && (6442450942LL + (long long )M) - (long long )i >= 0LL) && (6442450942LL + (long long )M) - (long long )j >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (5368709118LL - (long long )i) - (long long )n1 >= 0LL) && (5368709118LL - (long long )i) - (long long )n2 >= 0LL) && (5368709118LL - (long long )j) - (long long )n1 >= 0LL) && (5368709118LL - (long long )j) - (long long )n2 >= 0LL) && (6442450941LL - (long long )M) - (long long )i >= 0LL) && (6442450941LL - (long long )M) - (long long )j >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )C) - (long long )i >= 0LL) && (6442450942LL - (long long )C) - (long long )j >= 0LL) && (6442450942LL - (long long )N) - (long long )i >= 0LL) && (6442450942LL - (long long )N) - (long long )j >= 0LL) && (8589934590LL - (long long )i) - (long long )j >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-22 18:03:37,125 INFO L1541 ArrayList]: Location invariant before [L141-L141] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )i) + (long long )j >= 0LL) && (4294967295LL - (long long )i) + (long long )n1 >= 0LL) && (4294967295LL - (long long )i) + (long long )n2 >= 0LL) && (4294967295LL - (long long )j) + (long long )n1 >= 0LL) && (4294967295LL - (long long )j) + (long long )n2 >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )i) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )j) + (long long )q1_back >= 0LL) && (6442450943LL - (long long )j) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )i) - (long long )j >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (6442450941LL + (long long )C) - (long long )i >= 0LL) && (6442450941LL + (long long )C) - (long long )j >= 0LL) && (6442450942LL + (long long )N) - (long long )i >= 0LL) && (6442450942LL + (long long )N) - (long long )j >= 0LL) && (6442450942LL + (long long )M) - (long long )i >= 0LL) && (6442450942LL + (long long )M) - (long long )j >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (5368709118LL - (long long )i) - (long long )n1 >= 0LL) && (5368709118LL - (long long )i) - (long long )n2 >= 0LL) && (5368709118LL - (long long )j) - (long long )n1 >= 0LL) && (5368709118LL - (long long )j) - (long long )n2 >= 0LL) && (6442450941LL - (long long )M) - (long long )i >= 0LL) && (6442450941LL - (long long )M) - (long long )j >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )i) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )j) - (long long )q2_back >= 0LL) && (6442450942LL - (long long )C) - (long long )i >= 0LL) && (6442450942LL - (long long )C) - (long long )j >= 0LL) && (6442450942LL - (long long )N) - (long long )i >= 0LL) && (6442450942LL - (long long )N) - (long long )j >= 0LL) && (8589934590LL - (long long )i) - (long long )j >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-22 18:03:37,125 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 18:03:37,125 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-09-22 18:03:37,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 18:03:37,362 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-09-22 18:03:37,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:03:37,385 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 18:03:37,672 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-09-22 18:03:37,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:03:37,711 INFO L204 MainTranslator]: Completed translation [2024-09-22 18:03:37,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37 WrapperNode [2024-09-22 18:03:37,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 18:03:37,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 18:03:37,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 18:03:37,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 18:03:37,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,809 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 318 [2024-09-22 18:03:37,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 18:03:37,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 18:03:37,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 18:03:37,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 18:03:37,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 18:03:37,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 18:03:37,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 18:03:37,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 18:03:37,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (1/1) ... [2024-09-22 18:03:37,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:03:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:03:37,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-22 18:03:37,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-22 18:03:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 18:03:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 18:03:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 18:03:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 18:03:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 18:03:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 18:03:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 18:03:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-22 18:03:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-22 18:03:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 18:03:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 18:03:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 18:03:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 18:03:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 18:03:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 18:03:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 18:03:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 18:03:38,039 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 18:03:38,161 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 18:03:38,163 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 18:03:39,028 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 18:03:39,028 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 18:03:39,528 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 18:03:39,529 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-22 18:03:39,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:03:39 BoogieIcfgContainer [2024-09-22 18:03:39,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 18:03:39,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 18:03:39,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 18:03:39,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 18:03:39,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:03:35" (1/4) ... [2024-09-22 18:03:39,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660b07f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:03:39, skipping insertion in model container [2024-09-22 18:03:39,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 06:03:37" (2/4) ... [2024-09-22 18:03:39,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:03:39, skipping insertion in model container [2024-09-22 18:03:39,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:03:37" (3/4) ... [2024-09-22 18:03:39,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:03:39, skipping insertion in model container [2024-09-22 18:03:39,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:03:39" (4/4) ... [2024-09-22 18:03:39,566 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-09-22 18:03:39,586 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 18:03:39,586 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-22 18:03:39,586 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 18:03:39,707 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-22 18:03:39,754 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:03:39,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 18:03:39,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:03:39,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-22 18:03:39,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-22 18:03:39,791 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 18:03:39,808 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 18:03:39,819 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58ee0966, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:03:39,820 INFO L337 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-09-22 18:03:40,372 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:03:40,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:03:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash -252022195, now seen corresponding path program 1 times [2024-09-22 18:03:40,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:03:40,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998273451] [2024-09-22 18:03:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:03:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:03:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:03:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:03:45,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:03:45,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998273451] [2024-09-22 18:03:45,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998273451] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:03:45,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:03:45,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 18:03:45,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068339429] [2024-09-22 18:03:45,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:03:45,195 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 18:03:45,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:03:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 18:03:45,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-22 18:03:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:03:45,223 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:03:45,224 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:03:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:03:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:03:45,306 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 18:03:45,306 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:03:45,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:03:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash 313618282, now seen corresponding path program 1 times [2024-09-22 18:03:45,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:03:45,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950804677] [2024-09-22 18:03:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:03:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:03:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:03:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:03:48,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:03:48,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950804677] [2024-09-22 18:03:48,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950804677] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:03:48,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230794213] [2024-09-22 18:03:48,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:03:48,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:03:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:03:48,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:03:48,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 18:03:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:03:48,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-22 18:03:48,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:03:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:03:49,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:03:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:03:59,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230794213] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:03:59,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:03:59,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-09-22 18:03:59,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042653150] [2024-09-22 18:03:59,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:03:59,428 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-22 18:03:59,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:03:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-22 18:03:59,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-09-22 18:03:59,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:03:59,431 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:03:59,431 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:03:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:03:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:00,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-22 18:04:00,263 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-22 18:04:00,263 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:04:00,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:04:00,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1019203443, now seen corresponding path program 1 times [2024-09-22 18:04:00,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:04:00,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125009802] [2024-09-22 18:04:00,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:00,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:04:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:04:05,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:04:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125009802] [2024-09-22 18:04:05,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125009802] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:04:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475198292] [2024-09-22 18:04:05,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:05,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:05,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:04:05,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:04:05,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 18:04:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:05,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-22 18:04:05,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:04:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:04:06,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:04:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:04:16,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475198292] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:04:16,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:04:16,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-09-22 18:04:16,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812843990] [2024-09-22 18:04:16,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:04:16,741 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-22 18:04:16,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:04:16,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-22 18:04:16,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2024-09-22 18:04:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:16,744 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:04:16,744 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 28 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:04:16,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:16,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:16,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:21,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:21,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-22 18:04:21,662 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:21,662 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:04:21,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:04:21,663 INFO L85 PathProgramCache]: Analyzing trace with hash 562668453, now seen corresponding path program 2 times [2024-09-22 18:04:21,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:04:21,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637342138] [2024-09-22 18:04:21,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:21,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:04:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:04:28,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:04:28,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637342138] [2024-09-22 18:04:28,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637342138] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:04:28,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519776263] [2024-09-22 18:04:28,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:04:28,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:04:28,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:04:28,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 18:04:28,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-22 18:04:28,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:04:28,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-22 18:04:28,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:04:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-22 18:04:29,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:04:29,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519776263] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:04:29,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:04:29,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 21 [2024-09-22 18:04:29,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069889022] [2024-09-22 18:04:29,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:04:29,829 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 18:04:29,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:04:29,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 18:04:29,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-09-22 18:04:29,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:29,830 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:04:29,830 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:04:29,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:29,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:29,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:29,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:31,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-22 18:04:31,781 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:31,782 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:04:31,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:04:31,782 INFO L85 PathProgramCache]: Analyzing trace with hash 10635950, now seen corresponding path program 1 times [2024-09-22 18:04:31,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:04:31,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580919286] [2024-09-22 18:04:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:04:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 297 proven. 30 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-09-22 18:04:33,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:04:33,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580919286] [2024-09-22 18:04:33,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580919286] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:04:33,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506237312] [2024-09-22 18:04:33,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:33,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:33,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:04:33,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:04:33,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 18:04:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:33,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 18:04:33,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:04:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 193 proven. 13 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-09-22 18:04:33,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:04:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 182 proven. 51 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-09-22 18:04:34,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506237312] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:04:34,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:04:34,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 9] total 25 [2024-09-22 18:04:34,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446618934] [2024-09-22 18:04:34,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:04:34,144 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-22 18:04:34,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:04:34,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-22 18:04:34,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-09-22 18:04:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:34,146 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:04:34,146 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.32) internal successors, (233), 25 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:04:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 18:04:34,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-22 18:04:34,765 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:34,766 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:04:34,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:04:34,767 INFO L85 PathProgramCache]: Analyzing trace with hash -326740443, now seen corresponding path program 2 times [2024-09-22 18:04:34,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:04:34,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234199544] [2024-09-22 18:04:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:34,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:04:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-09-22 18:04:35,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:04:35,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234199544] [2024-09-22 18:04:35,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234199544] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:04:35,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:04:35,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 18:04:35,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011751855] [2024-09-22 18:04:35,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:04:35,125 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:04:35,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:04:35,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:04:35,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-22 18:04:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:35,126 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:04:35,126 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:04:35,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:35,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:35,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:35,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:35,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 18:04:35,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:04:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:35,835 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-22 18:04:35,836 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:04:35,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:04:35,836 INFO L85 PathProgramCache]: Analyzing trace with hash -895295853, now seen corresponding path program 3 times [2024-09-22 18:04:35,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:04:35,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828763417] [2024-09-22 18:04:35,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:35,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:04:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:04:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-09-22 18:04:37,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:04:37,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828763417] [2024-09-22 18:04:37,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828763417] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:04:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814481739] [2024-09-22 18:04:37,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:04:37,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:37,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:04:37,018 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:04:37,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 18:04:37,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-22 18:04:37,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:04:37,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-22 18:04:37,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:04:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-22 18:04:37,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:04:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-22 18:04:38,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814481739] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:04:38,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:04:38,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 13] total 31 [2024-09-22 18:04:38,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229500655] [2024-09-22 18:04:38,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:04:38,642 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-22 18:04:38,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:04:38,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-22 18:04:38,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=869, Unknown=0, NotChecked=0, Total=992 [2024-09-22 18:04:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:38,647 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:04:38,647 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.875) internal successors, (156), 31 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:38,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:04:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-22 18:04:41,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-22 18:04:42,108 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:04:42,109 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:04:42,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:04:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash 923756279, now seen corresponding path program 4 times [2024-09-22 18:04:42,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:04:42,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2784518] [2024-09-22 18:04:42,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:04:42,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:04:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:05:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:05:48,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:05:48,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2784518] [2024-09-22 18:05:48,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2784518] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:05:48,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352157862] [2024-09-22 18:05:48,297 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 18:05:48,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:05:48,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:05:48,299 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:05:48,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 18:05:48,526 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 18:05:48,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:05:48,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-09-22 18:05:48,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:05:59,342 INFO L349 Elim1Store]: treesize reduction 149, result has 49.1 percent of original size [2024-09-22 18:05:59,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 274 treesize of output 187 [2024-09-22 18:05:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 195 refuted. 3 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 18:05:59,375 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:06:06,198 INFO L349 Elim1Store]: treesize reduction 339, result has 79.1 percent of original size [2024-09-22 18:06:06,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 212 treesize of output 1339 [2024-09-22 18:06:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 147 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-22 18:06:38,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352157862] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:06:38,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:06:38,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 30, 21] total 85 [2024-09-22 18:06:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96133173] [2024-09-22 18:06:38,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:06:38,410 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-09-22 18:06:38,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:06:38,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-09-22 18:06:38,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=539, Invalid=6769, Unknown=2, NotChecked=0, Total=7310 [2024-09-22 18:06:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:06:38,415 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:06:38,415 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.4302325581395348) internal successors, (295), 85 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:06:38,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:06:38,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:06:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:06:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:06:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:06:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:06:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-22 18:06:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:06:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:06:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:06:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:06:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:06:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:06:58,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-22 18:06:58,298 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-22 18:06:58,298 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:06:58,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:06:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash 503562840, now seen corresponding path program 5 times [2024-09-22 18:06:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:06:58,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890155696] [2024-09-22 18:06:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:06:58,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:06:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:07:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 638 proven. 1010 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-09-22 18:07:00,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:07:00,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890155696] [2024-09-22 18:07:00,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890155696] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:07:00,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132724721] [2024-09-22 18:07:00,741 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 18:07:00,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:07:00,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:07:00,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:07:00,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 18:07:18,206 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-09-22 18:07:18,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:07:18,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-22 18:07:18,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:07:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 2192 proven. 66 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-09-22 18:07:19,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:07:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1755 proven. 503 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-09-22 18:07:21,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132724721] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:07:21,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:07:21,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 35, 35] total 92 [2024-09-22 18:07:21,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970902985] [2024-09-22 18:07:21,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:07:21,510 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-09-22 18:07:21,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:07:21,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-09-22 18:07:21,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2257, Invalid=6299, Unknown=0, NotChecked=0, Total=8556 [2024-09-22 18:07:21,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:07:21,515 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:07:21,516 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 6.279569892473118) internal successors, (584), 92 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:07:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:07:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:07:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:07:21,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-22 18:07:22,132 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:07:22,133 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:07:22,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:07:22,133 INFO L85 PathProgramCache]: Analyzing trace with hash 336257237, now seen corresponding path program 6 times [2024-09-22 18:07:22,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:07:22,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118158988] [2024-09-22 18:07:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:07:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:07:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:07:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 374 proven. 1076 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-09-22 18:07:23,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:07:23,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118158988] [2024-09-22 18:07:23,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118158988] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:07:23,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517285278] [2024-09-22 18:07:23,991 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 18:07:23,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:07:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:07:23,993 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:07:23,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 18:07:49,723 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-09-22 18:07:49,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:07:49,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-22 18:07:49,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:07:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 1500 proven. 45 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-09-22 18:07:50,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:07:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 408 proven. 1138 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-09-22 18:07:51,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517285278] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:07:51,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:07:51,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 24] total 64 [2024-09-22 18:07:51,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489727434] [2024-09-22 18:07:51,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:07:51,336 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-09-22 18:07:51,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:07:51,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-09-22 18:07:51,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=3118, Unknown=0, NotChecked=0, Total=4032 [2024-09-22 18:07:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:07:51,339 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:07:51,339 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.34375) internal successors, (342), 64 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:07:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:07:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:07:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:51,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-22 18:07:51,841 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-22 18:07:51,842 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:07:51,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:07:51,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1123699997, now seen corresponding path program 7 times [2024-09-22 18:07:51,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:07:51,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426674655] [2024-09-22 18:07:51,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:07:51,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:07:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:07:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 589 proven. 1152 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2024-09-22 18:07:53,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:07:53,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426674655] [2024-09-22 18:07:53,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426674655] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:07:53,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338382990] [2024-09-22 18:07:53,871 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 18:07:53,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:07:53,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:07:53,874 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:07:53,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 18:07:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:07:54,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-22 18:07:54,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:07:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1942 proven. 78 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-09-22 18:07:55,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:07:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1684 proven. 336 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-09-22 18:07:56,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338382990] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:07:56,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:07:56,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 78 [2024-09-22 18:07:56,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634152754] [2024-09-22 18:07:56,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:07:56,309 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-09-22 18:07:56,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:07:56,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-09-22 18:07:56,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1274, Invalid=4732, Unknown=0, NotChecked=0, Total=6006 [2024-09-22 18:07:56,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:07:56,313 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:07:56,314 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 5.628205128205129) internal successors, (439), 78 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:07:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:07:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:07:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:07:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:07:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:07:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:07:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:07:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:07:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:07:56,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-22 18:07:56,800 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-22 18:07:56,801 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:07:56,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:07:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1430385365, now seen corresponding path program 8 times [2024-09-22 18:07:56,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:07:56,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019144845] [2024-09-22 18:07:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:07:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:07:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:07:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2571 backedges. 694 proven. 1150 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-09-22 18:07:58,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:07:58,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019144845] [2024-09-22 18:07:58,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019144845] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:07:58,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064462765] [2024-09-22 18:07:58,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:07:58,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:07:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:07:58,900 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:07:58,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-22 18:07:59,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:07:59,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:07:59,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-22 18:07:59,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:08:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2571 backedges. 2035 proven. 91 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-09-22 18:08:00,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:08:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2571 backedges. 1696 proven. 430 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-09-22 18:08:01,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064462765] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:08:01,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:08:01,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 84 [2024-09-22 18:08:01,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287959962] [2024-09-22 18:08:01,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:08:01,529 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-09-22 18:08:01,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:08:01,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-09-22 18:08:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1470, Invalid=5502, Unknown=0, NotChecked=0, Total=6972 [2024-09-22 18:08:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:08:01,534 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:08:01,534 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.595238095238095) internal successors, (470), 84 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:08:01,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:08:01,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:01,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:08:01,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:08:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:08:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:08:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:01,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-22 18:08:02,039 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:08:02,039 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:08:02,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:08:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1947270115, now seen corresponding path program 9 times [2024-09-22 18:08:02,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:08:02,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264402124] [2024-09-22 18:08:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:08:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:08:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:08:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 813 proven. 1143 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2024-09-22 18:08:04,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:08:04,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264402124] [2024-09-22 18:08:04,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264402124] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:08:04,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963484254] [2024-09-22 18:08:04,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:08:04,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:08:04,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:08:04,346 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:08:04,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-22 18:08:12,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-09-22 18:08:12,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:08:12,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-22 18:08:12,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:08:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 1808 proven. 323 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-09-22 18:08:13,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:08:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 964 proven. 1167 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-09-22 18:08:15,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963484254] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:08:15,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:08:15,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 34] total 95 [2024-09-22 18:08:15,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054673008] [2024-09-22 18:08:15,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:08:15,432 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-09-22 18:08:15,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:08:15,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-09-22 18:08:15,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1679, Invalid=7251, Unknown=0, NotChecked=0, Total=8930 [2024-09-22 18:08:15,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:08:15,438 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:08:15,439 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.336842105263158) internal successors, (507), 95 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:08:15,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:15,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:08:15,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:15,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:15,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:08:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:08:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:15,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-22 18:08:16,142 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-22 18:08:16,143 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:08:16,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:08:16,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1787951901, now seen corresponding path program 10 times [2024-09-22 18:08:16,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:08:16,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459344613] [2024-09-22 18:08:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:08:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:08:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:08:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2616 backedges. 1137 proven. 1038 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-09-22 18:08:18,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:08:18,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459344613] [2024-09-22 18:08:18,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459344613] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:08:18,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731574353] [2024-09-22 18:08:18,614 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 18:08:18,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:08:18,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:08:18,615 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:08:18,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-22 18:08:19,079 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 18:08:19,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:08:19,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-09-22 18:08:19,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:08:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2616 backedges. 2154 proven. 136 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-09-22 18:08:22,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:08:24,866 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-09-22 18:08:24,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-09-22 18:08:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2616 backedges. 1804 proven. 486 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-09-22 18:08:25,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731574353] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:08:25,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:08:25,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 37, 37] total 105 [2024-09-22 18:08:25,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034913384] [2024-09-22 18:08:25,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:08:25,609 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-09-22 18:08:25,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:08:25,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-09-22 18:08:25,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2025, Invalid=8895, Unknown=0, NotChecked=0, Total=10920 [2024-09-22 18:08:25,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:08:25,615 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:08:25,615 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 5.914285714285715) internal successors, (621), 105 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:25,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:08:25,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:25,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:25,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:08:26,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:26,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:08:26,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-22 18:08:26,248 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-22 18:08:26,248 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:08:26,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:08:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 743649821, now seen corresponding path program 11 times [2024-09-22 18:08:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:08:26,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584106110] [2024-09-22 18:08:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:08:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:08:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:08:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2651 backedges. 1471 proven. 839 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-09-22 18:08:29,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:08:29,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584106110] [2024-09-22 18:08:29,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584106110] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:08:29,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142527174] [2024-09-22 18:08:29,081 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 18:08:29,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:08:29,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:08:29,085 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:08:29,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-22 18:16:36,741 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-09-22 18:16:36,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:16:36,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 1571 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 18:16:36,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:16:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2651 backedges. 1131 proven. 147 refuted. 0 times theorem prover too weak. 1373 trivial. 0 not checked. [2024-09-22 18:16:37,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:16:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2651 backedges. 1081 proven. 673 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2024-09-22 18:16:38,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142527174] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:16:38,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:16:38,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 6, 25] total 67 [2024-09-22 18:16:38,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848837895] [2024-09-22 18:16:38,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:16:38,071 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-09-22 18:16:38,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:16:38,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-09-22 18:16:38,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=723, Invalid=3699, Unknown=0, NotChecked=0, Total=4422 [2024-09-22 18:16:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:38,074 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:16:38,074 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 67 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:16:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:16:38,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 18:16:38,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 18:16:38,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-22 18:16:38,594 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-22 18:16:38,594 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-22 18:16:38,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:16:38,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1473219937, now seen corresponding path program 12 times [2024-09-22 18:16:38,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:16:38,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221708141] [2024-09-22 18:16:38,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:16:38,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:16:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:16:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 522 proven. 34 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2024-09-22 18:16:40,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:16:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221708141] [2024-09-22 18:16:40,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221708141] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:16:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372822176] [2024-09-22 18:16:40,016 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 18:16:40,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:16:40,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:16:40,017 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 18:16:40,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process Killed by 15