./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 06:55:28,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 06:55:28,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 06:55:28,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 06:55:28,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 06:55:28,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 06:55:28,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 06:55:28,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 06:55:28,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 06:55:28,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 06:55:28,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 06:55:28,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 06:55:28,195 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 06:55:28,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 06:55:28,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 06:55:28,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 06:55:28,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 06:55:28,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 06:55:28,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 06:55:28,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 06:55:28,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 06:55:28,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 06:55:28,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 06:55:28,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 06:55:28,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 06:55:28,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 06:55:28,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 06:55:28,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 06:55:28,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 06:55:28,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 06:55:28,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 06:55:28,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 06:55:28,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 06:55:28,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 06:55:28,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 06:55:28,203 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 06:55:28,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 06:55:28,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 06:55:28,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 06:55:28,205 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 06:55:28,205 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 06:55:28,205 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 06:55:28,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 06:55:28,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 06:55:28,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 06:55:28,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 06:55:28,448 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 06:55:28,453 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 06:55:28,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml [2024-08-27 06:55:28,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 06:55:28,593 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 06:55:28,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-08-27 06:55:29,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 06:55:30,144 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 06:55:30,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-08-27 06:55:30,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7ecdd02b7/af346c1b314548fdad5c3592b93a04c4/FLAG289ce324f [2024-08-27 06:55:30,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7ecdd02b7/af346c1b314548fdad5c3592b93a04c4 [2024-08-27 06:55:30,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 06:55:30,165 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 06:55:30,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 06:55:30,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 06:55:30,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 06:55:30,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 06:55:28" (1/2) ... [2024-08-27 06:55:30,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fe7e67 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 06:55:30, skipping insertion in model container [2024-08-27 06:55:30,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 06:55:28" (1/2) ... [2024-08-27 06:55:30,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50db09ab and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 06:55:30, skipping insertion in model container [2024-08-27 06:55:30,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:55:30" (2/2) ... [2024-08-27 06:55:30,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fe7e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30, skipping insertion in model container [2024-08-27 06:55:30,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:55:30" (2/2) ... [2024-08-27 06:55:30,178 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 06:55:30,204 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 06:55:30,205 INFO L1541 ArrayList]: Location invariant before [L145-L145] ((((! 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) && (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 )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 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 )j) - (long long )q1_front >= 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 )q1_back) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-08-27 06:55:30,208 INFO L1541 ArrayList]: Location invariant before [L146-L146] ((((! 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) && (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 )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 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 )j) - (long long )q1_front >= 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 )q1_back) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-08-27 06:55:30,212 INFO L1541 ArrayList]: Location invariant before [L148-L148] ((((! 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) && (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 )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 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 )j) - (long long )q1_front >= 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 )q1_back) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-08-27 06:55:30,213 INFO L1541 ArrayList]: Location invariant before [L147-L147] ((((! 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) && (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 )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 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 )j) - (long long )q1_front >= 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 )q1_back) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-08-27 06:55:30,213 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 06:55:30,213 INFO L1541 ArrayList]: ghost_update [L144-L144] multithreaded = 1; [2024-08-27 06:55:30,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 06:55:30,483 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-08-27 06:55:30,495 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 06:55:30,502 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 06:55:30,680 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-08-27 06:55:30,683 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 06:55:30,700 INFO L206 MainTranslator]: Completed translation [2024-08-27 06:55:30,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30 WrapperNode [2024-08-27 06:55:30,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 06:55:30,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 06:55:30,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 06:55:30,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 06:55:30,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,770 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 322 [2024-08-27 06:55:30,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 06:55:30,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 06:55:30,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 06:55:30,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 06:55:30,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 06:55:30,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 06:55:30,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 06:55:30,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 06:55:30,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (1/1) ... [2024-08-27 06:55:30,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 06:55:30,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:55:30,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-27 06:55:30,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-27 06:55:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 06:55:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 06:55:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 06:55:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 06:55:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 06:55:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-27 06:55:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-27 06:55:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-27 06:55:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-27 06:55:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 06:55:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 06:55:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 06:55:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 06:55:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 06:55:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 06:55:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 06:55:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 06:55:30,929 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 06:55:31,047 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 06:55:31,049 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 06:55:31,594 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 06:55:31,595 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 06:55:31,905 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 06:55:31,906 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-08-27 06:55:31,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:55:31 BoogieIcfgContainer [2024-08-27 06:55:31,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 06:55:31,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 06:55:31,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 06:55:31,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 06:55:31,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 06:55:28" (1/4) ... [2024-08-27 06:55:31,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f3c77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 06:55:31, skipping insertion in model container [2024-08-27 06:55:31,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:55:30" (2/4) ... [2024-08-27 06:55:31,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f3c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:55:31, skipping insertion in model container [2024-08-27 06:55:31,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:55:30" (3/4) ... [2024-08-27 06:55:31,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f3c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:55:31, skipping insertion in model container [2024-08-27 06:55:31,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:55:31" (4/4) ... [2024-08-27 06:55:31,916 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-08-27 06:55:31,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 06:55:31,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-27 06:55:31,932 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 06:55:32,029 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-27 06:55:32,067 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 06:55:32,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 06:55:32,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:55:32,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 06:55:32,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-27 06:55:32,099 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 06:55:32,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 06:55:32,116 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26b5ab85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 06:55:32,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-08-27 06:55:32,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:55:32,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:55:32,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1820052237, now seen corresponding path program 1 times [2024-08-27 06:55:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:55:32,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043641474] [2024-08-27 06:55:32,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:55:32,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:55:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:55:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:35,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:55:35,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043641474] [2024-08-27 06:55:35,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043641474] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 06:55:35,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 06:55:35,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 06:55:35,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923197291] [2024-08-27 06:55:35,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 06:55:35,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 06:55:35,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:55:35,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 06:55:35,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-27 06:55:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:55:35,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:55:35,083 INFO L496 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) [2024-08-27 06:55:35,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:55:35,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:55:35,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 06:55:35,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:55:35,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:55:35,145 INFO L85 PathProgramCache]: Analyzing trace with hash -280230053, now seen corresponding path program 1 times [2024-08-27 06:55:35,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:55:35,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891945570] [2024-08-27 06:55:35,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:55:35,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:55:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:55:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:36,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:55:36,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891945570] [2024-08-27 06:55:36,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891945570] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:55:36,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698230129] [2024-08-27 06:55:36,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:55:36,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:55:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:55:36,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:55:36,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-27 06:55:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:55:36,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-27 06:55:36,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:55:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:37,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:55:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:45,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698230129] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:55:45,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:55:45,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-08-27 06:55:45,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804892930] [2024-08-27 06:55:45,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:55:45,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-27 06:55:45,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:55:45,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-27 06:55:45,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-08-27 06:55:45,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:55:45,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:55:45,740 INFO L496 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) [2024-08-27 06:55:45,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:55:45,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:55:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:55:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:55:46,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-27 06:55:46,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-27 06:55:46,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:55:46,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:55:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1479598221, now seen corresponding path program 1 times [2024-08-27 06:55:46,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:55:46,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656344147] [2024-08-27 06:55:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:55:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:55:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:55:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:48,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:55:48,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656344147] [2024-08-27 06:55:48,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656344147] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:55:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438531832] [2024-08-27 06:55:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:55:48,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:55:48,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:55:48,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:55:48,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-27 06:55:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:55:49,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 44 conjunts are in the unsatisfiable core [2024-08-27 06:55:49,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:55:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:49,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:55:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:55:59,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438531832] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:55:59,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:55:59,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-08-27 06:55:59,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215536783] [2024-08-27 06:55:59,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:55:59,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-08-27 06:55:59,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:55:59,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-08-27 06:55:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=642, Unknown=0, NotChecked=0, Total=812 [2024-08-27 06:55:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:55:59,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:55:59,753 INFO L496 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) [2024-08-27 06:55:59,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:55:59,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:55:59,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:04,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-27 06:56:04,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:04,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:04,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:04,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1248707123, now seen corresponding path program 2 times [2024-08-27 06:56:04,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:04,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484287922] [2024-08-27 06:56:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 06:56:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:07,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484287922] [2024-08-27 06:56:07,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484287922] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:07,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926789473] [2024-08-27 06:56:07,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 06:56:07,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:07,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:07,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-27 06:56:08,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 06:56:08,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:08,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjunts are in the unsatisfiable core [2024-08-27 06:56:08,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-08-27 06:56:08,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 06:56:08,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926789473] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 06:56:08,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 06:56:08,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 18 [2024-08-27 06:56:08,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092126774] [2024-08-27 06:56:08,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 06:56:08,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 06:56:08,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:08,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 06:56:08,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2024-08-27 06:56:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:08,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:08,842 INFO L496 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) [2024-08-27 06:56:08,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:08,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:08,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:08,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:10,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:10,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-27 06:56:10,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:10,802 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:10,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash -13306337, now seen corresponding path program 1 times [2024-08-27 06:56:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:10,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387075561] [2024-08-27 06:56:10,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 486 proven. 657 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-08-27 06:56:12,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:12,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387075561] [2024-08-27 06:56:12,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387075561] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:12,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094013406] [2024-08-27 06:56:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:12,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:12,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-27 06:56:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:12,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-27 06:56:12,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 362 proven. 2 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2024-08-27 06:56:12,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 354 proven. 20 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2024-08-27 06:56:13,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094013406] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:13,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:13,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 5, 7] total 32 [2024-08-27 06:56:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119498116] [2024-08-27 06:56:13,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:13,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-27 06:56:13,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:13,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-27 06:56:13,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=808, Unknown=0, NotChecked=0, Total=992 [2024-08-27 06:56:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:13,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:13,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.40625) internal successors, (269), 32 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:13,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:13,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:13,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:13,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:13,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-27 06:56:13,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:13,673 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:13,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2146585443, now seen corresponding path program 2 times [2024-08-27 06:56:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:13,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061819756] [2024-08-27 06:56:13,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-08-27 06:56:14,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:14,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061819756] [2024-08-27 06:56:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061819756] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:14,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961041813] [2024-08-27 06:56:14,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 06:56:14,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:14,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:14,049 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:14,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-27 06:56:14,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-27 06:56:14,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:14,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-27 06:56:14,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-08-27 06:56:14,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 88 proven. 31 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-08-27 06:56:14,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961041813] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:14,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:14,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-08-27 06:56:14,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009380017] [2024-08-27 06:56:14,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:14,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-27 06:56:14,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:14,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-27 06:56:14,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-08-27 06:56:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:14,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:14,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.055555555555555) internal successors, (145), 18 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:14,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:14,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:14,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:14,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:14,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:14,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:14,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-27 06:56:14,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:14,911 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:14,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1379439057, now seen corresponding path program 3 times [2024-08-27 06:56:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:14,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011627212] [2024-08-27 06:56:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 38 proven. 86 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-08-27 06:56:15,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:15,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011627212] [2024-08-27 06:56:15,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011627212] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:15,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803006472] [2024-08-27 06:56:15,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 06:56:15,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:15,484 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:15,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-27 06:56:15,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-08-27 06:56:15,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:15,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-27 06:56:15,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 118 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-08-27 06:56:16,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 23 proven. 101 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-08-27 06:56:16,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803006472] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:16,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:16,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-08-27 06:56:16,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273906498] [2024-08-27 06:56:16,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:16,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-27 06:56:16,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:16,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-27 06:56:16,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-08-27 06:56:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:16,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:16,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.875) internal successors, (165), 24 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:16,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:16,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-27 06:56:16,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-27 06:56:16,672 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:16,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:16,672 INFO L85 PathProgramCache]: Analyzing trace with hash -982951139, now seen corresponding path program 4 times [2024-08-27 06:56:16,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494988502] [2024-08-27 06:56:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 61 proven. 84 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-08-27 06:56:17,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:17,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494988502] [2024-08-27 06:56:17,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494988502] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:17,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441031943] [2024-08-27 06:56:17,167 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-27 06:56:17,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:17,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:17,169 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:17,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-27 06:56:17,340 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-27 06:56:17,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:17,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-27 06:56:17,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 74 proven. 18 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-08-27 06:56:17,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 57 proven. 86 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-08-27 06:56:17,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441031943] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:17,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:17,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 11] total 24 [2024-08-27 06:56:17,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936699591] [2024-08-27 06:56:17,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:17,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-27 06:56:17,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:17,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-27 06:56:17,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2024-08-27 06:56:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:17,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:17,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.083333333333334) internal successors, (242), 24 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:18,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:18,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-27 06:56:18,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:18,224 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:18,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:18,225 INFO L85 PathProgramCache]: Analyzing trace with hash -403440202, now seen corresponding path program 5 times [2024-08-27 06:56:18,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638407304] [2024-08-27 06:56:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:18,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2810 backedges. 540 proven. 1409 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-08-27 06:56:20,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:20,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638407304] [2024-08-27 06:56:20,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638407304] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:20,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762719799] [2024-08-27 06:56:20,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-27 06:56:20,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:20,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:20,090 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:20,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-27 06:56:22,061 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-08-27 06:56:22,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:22,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 37 conjunts are in the unsatisfiable core [2024-08-27 06:56:22,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2810 backedges. 2675 proven. 66 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-08-27 06:56:23,636 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2810 backedges. 2018 proven. 723 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-08-27 06:56:25,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762719799] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:25,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:25,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 33, 33] total 88 [2024-08-27 06:56:25,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141807393] [2024-08-27 06:56:25,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:25,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-08-27 06:56:25,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:25,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-08-27 06:56:25,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1703, Invalid=6129, Unknown=0, NotChecked=0, Total=7832 [2024-08-27 06:56:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:25,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:25,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.382022471910112) internal successors, (657), 88 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:25,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:25,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:25,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:25,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:25,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:25,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:25,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:25,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:25,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:25,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:25,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:25,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:25,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:25,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:25,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-27 06:56:25,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:25,871 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:25,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1102340868, now seen corresponding path program 6 times [2024-08-27 06:56:25,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:25,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139533742] [2024-08-27 06:56:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:25,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 309 proven. 760 refuted. 0 times theorem prover too weak. 1885 trivial. 0 not checked. [2024-08-27 06:56:27,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:27,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139533742] [2024-08-27 06:56:27,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139533742] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:27,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992179728] [2024-08-27 06:56:27,270 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-27 06:56:27,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:27,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:27,272 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:27,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-27 06:56:28,520 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-08-27 06:56:28,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:28,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-27 06:56:28,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 1486 proven. 15 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2024-08-27 06:56:28,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 1310 proven. 191 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2024-08-27 06:56:29,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992179728] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:29,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:29,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2024-08-27 06:56:29,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122911446] [2024-08-27 06:56:29,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:29,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-08-27 06:56:29,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:29,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-08-27 06:56:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=971, Unknown=0, NotChecked=0, Total=1260 [2024-08-27 06:56:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:29,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:29,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.027777777777778) internal successors, (253), 36 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:29,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:29,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-27 06:56:29,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-27 06:56:29,867 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:29,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:29,868 INFO L85 PathProgramCache]: Analyzing trace with hash -493204108, now seen corresponding path program 7 times [2024-08-27 06:56:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:29,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50000350] [2024-08-27 06:56:29,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:29,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2960 backedges. 345 proven. 865 refuted. 0 times theorem prover too weak. 1750 trivial. 0 not checked. [2024-08-27 06:56:31,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:31,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50000350] [2024-08-27 06:56:31,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50000350] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:31,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924425221] [2024-08-27 06:56:31,574 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-27 06:56:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:31,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:31,576 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:31,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-27 06:56:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:31,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 1489 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-27 06:56:31,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2960 backedges. 1497 proven. 21 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2024-08-27 06:56:32,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2960 backedges. 1355 proven. 163 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2024-08-27 06:56:33,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924425221] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:33,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:33,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-08-27 06:56:33,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977520622] [2024-08-27 06:56:33,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:33,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-08-27 06:56:33,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:33,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-08-27 06:56:33,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2024-08-27 06:56:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:33,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:33,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.857142857142857) internal successors, (288), 42 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:33,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:33,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-27 06:56:33,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:33,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:33,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:33,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1584509188, now seen corresponding path program 8 times [2024-08-27 06:56:33,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:33,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870697624] [2024-08-27 06:56:33,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:33,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 421 proven. 1080 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2024-08-27 06:56:35,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:35,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870697624] [2024-08-27 06:56:35,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870697624] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:35,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445267007] [2024-08-27 06:56:35,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 06:56:35,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:35,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:35,289 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:35,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-27 06:56:35,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-27 06:56:35,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:35,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-27 06:56:35,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 1630 proven. 28 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-08-27 06:56:36,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 1482 proven. 176 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-08-27 06:56:36,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445267007] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:36,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:36,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2024-08-27 06:56:36,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509932531] [2024-08-27 06:56:36,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:36,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-08-27 06:56:36,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:36,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-08-27 06:56:36,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=1759, Unknown=0, NotChecked=0, Total=2256 [2024-08-27 06:56:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:36,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:36,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.8125) internal successors, (327), 48 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:56:37,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-27 06:56:37,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-27 06:56:37,248 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:37,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:37,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1569111924, now seen corresponding path program 9 times [2024-08-27 06:56:37,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:37,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220255897] [2024-08-27 06:56:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 550 proven. 1239 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2024-08-27 06:56:38,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220255897] [2024-08-27 06:56:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220255897] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030240754] [2024-08-27 06:56:38,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 06:56:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:38,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:38,827 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:38,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-27 06:56:40,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-08-27 06:56:40,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:40,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-27 06:56:40,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 1388 proven. 123 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2024-08-27 06:56:41,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 1313 proven. 74 refuted. 0 times theorem prover too weak. 1588 trivial. 0 not checked. [2024-08-27 06:56:41,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030240754] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:41,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:41,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22, 7] total 46 [2024-08-27 06:56:41,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571546182] [2024-08-27 06:56:41,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:41,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-08-27 06:56:41,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:41,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-08-27 06:56:41,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1754, Unknown=0, NotChecked=0, Total=2070 [2024-08-27 06:56:41,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:41,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:41,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 7.913043478260869) internal successors, (364), 46 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:56:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:56:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-27 06:56:42,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-08-27 06:56:43,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-27 06:56:43,107 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:43,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:43,107 INFO L85 PathProgramCache]: Analyzing trace with hash 554930975, now seen corresponding path program 10 times [2024-08-27 06:56:43,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:43,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196765271] [2024-08-27 06:56:43,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:43,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 412 proven. 476 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-08-27 06:56:44,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196765271] [2024-08-27 06:56:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196765271] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656993347] [2024-08-27 06:56:44,424 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-27 06:56:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:44,426 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:44,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-27 06:56:44,750 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-27 06:56:44,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:56:44,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-27 06:56:44,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:56:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 584 proven. 90 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2024-08-27 06:56:44,890 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:56:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 497 proven. 288 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-08-27 06:56:45,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656993347] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:56:45,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:56:45,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 6, 15] total 39 [2024-08-27 06:56:45,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899277104] [2024-08-27 06:56:45,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:56:45,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-08-27 06:56:45,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:56:45,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-08-27 06:56:45,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=1223, Unknown=0, NotChecked=0, Total=1482 [2024-08-27 06:56:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:45,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:56:45,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 8.820512820512821) internal successors, (344), 39 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:56:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:56:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-27 06:56:45,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:56:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:56:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-27 06:56:45,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:56:45,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-08-27 06:56:45,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-27 06:56:45,810 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:56:45,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:56:45,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1365361855, now seen corresponding path program 11 times [2024-08-27 06:56:45,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:56:45,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23252698] [2024-08-27 06:56:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:56:45,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:56:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:56:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 458 proven. 156 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-08-27 06:56:47,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:56:47,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23252698] [2024-08-27 06:56:47,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23252698] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:56:47,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475573213] [2024-08-27 06:56:47,044 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-27 06:56:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:56:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:56:47,046 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:56:47,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-27 06:57:10,780 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-08-27 06:57:10,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:57:10,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 30 conjunts are in the unsatisfiable core [2024-08-27 06:57:10,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:57:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 560 proven. 55 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-08-27 06:57:12,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:57:13,488 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-08-27 06:57:13,489 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 [2024-08-27 06:57:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 388 proven. 227 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-08-27 06:57:13,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475573213] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:57:13,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:57:13,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 66 [2024-08-27 06:57:13,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68783199] [2024-08-27 06:57:13,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:57:13,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-08-27 06:57:13,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:57:13,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-08-27 06:57:13,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=804, Invalid=3486, Unknown=0, NotChecked=0, Total=4290 [2024-08-27 06:57:13,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:13,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:57:13,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 5.954545454545454) internal successors, (393), 66 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:57:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:13,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-27 06:57:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:14,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-08-27 06:57:14,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:14,550 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:57:14,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:57:14,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1678032305, now seen corresponding path program 12 times [2024-08-27 06:57:14,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:57:14,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357666276] [2024-08-27 06:57:14,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:57:14,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:57:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:16,280 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 469 proven. 163 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-08-27 06:57:16,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:57:16,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357666276] [2024-08-27 06:57:16,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357666276] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:16,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798380048] [2024-08-27 06:57:16,281 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-27 06:57:16,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:16,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:57:16,283 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:57:16,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-27 06:57:18,062 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-08-27 06:57:18,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:57:18,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-27 06:57:18,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:57:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 140 proven. 30 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2024-08-27 06:57:18,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:57:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 160 proven. 4 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-08-27 06:57:18,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798380048] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:57:18,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:57:18,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 10, 6] total 40 [2024-08-27 06:57:18,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304023630] [2024-08-27 06:57:18,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:57:18,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-08-27 06:57:18,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:57:18,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-08-27 06:57:18,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1336, Unknown=0, NotChecked=0, Total=1560 [2024-08-27 06:57:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:18,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:57:18,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 7.475) internal successors, (299), 40 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:18,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:20,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-08-27 06:57:20,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-27 06:57:20,759 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:57:20,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:57:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1865786588, now seen corresponding path program 13 times [2024-08-27 06:57:20,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:57:20,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554324851] [2024-08-27 06:57:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:57:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:57:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 720 proven. 204 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-08-27 06:57:22,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:57:22,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554324851] [2024-08-27 06:57:22,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554324851] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:22,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205568201] [2024-08-27 06:57:22,383 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-27 06:57:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:57:22,385 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:57:22,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-27 06:57:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:22,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-27 06:57:22,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:57:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 718 proven. 209 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-08-27 06:57:24,184 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:57:24,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-08-27 06:57:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 790 proven. 137 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-08-27 06:57:25,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205568201] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:57:25,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:57:25,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 30] total 85 [2024-08-27 06:57:25,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838528599] [2024-08-27 06:57:25,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:57:25,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-27 06:57:25,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:57:25,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-27 06:57:25,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=5667, Unknown=0, NotChecked=0, Total=7140 [2024-08-27 06:57:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:25,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:57:25,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 6.764705882352941) internal successors, (575), 85 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:25,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:25,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:25,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:25,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:25,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:26,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-27 06:57:26,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-27 06:57:26,213 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:57:26,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:57:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash 336013604, now seen corresponding path program 14 times [2024-08-27 06:57:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:57:26,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782049883] [2024-08-27 06:57:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:57:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:57:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:27,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 283 proven. 275 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2024-08-27 06:57:27,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:57:27,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782049883] [2024-08-27 06:57:27,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782049883] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:27,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291803443] [2024-08-27 06:57:27,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 06:57:27,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:27,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:57:27,753 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:57:27,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-27 06:57:28,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-27 06:57:28,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:57:28,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-27 06:57:28,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:57:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 179 proven. 1 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2024-08-27 06:57:28,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:57:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 157 proven. 1 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2024-08-27 06:57:28,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291803443] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:57:28,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:57:28,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 7] total 23 [2024-08-27 06:57:28,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115190138] [2024-08-27 06:57:28,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:57:28,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-27 06:57:28,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:57:28,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-27 06:57:28,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2024-08-27 06:57:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:28,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:57:28,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.130434782608695) internal successors, (164), 23 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:57:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:28,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:28,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:57:31,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-08-27 06:57:32,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-27 06:57:32,013 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:57:32,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:57:32,014 INFO L85 PathProgramCache]: Analyzing trace with hash 635897183, now seen corresponding path program 15 times [2024-08-27 06:57:32,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:57:32,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106463832] [2024-08-27 06:57:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:57:32,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:57:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 1001 proven. 788 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-08-27 06:57:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:57:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106463832] [2024-08-27 06:57:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106463832] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544990819] [2024-08-27 06:57:33,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 06:57:33,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:33,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:57:33,995 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:57:33,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-27 06:57:34,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-08-27 06:57:34,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:57:34,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-27 06:57:34,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:57:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 117 proven. 49 refuted. 0 times theorem prover too weak. 1969 trivial. 0 not checked. [2024-08-27 06:57:34,858 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:57:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-08-27 06:57:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544990819] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:34,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-27 06:57:34,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [32, 9] total 44 [2024-08-27 06:57:34,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434017605] [2024-08-27 06:57:34,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 06:57:34,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 06:57:34,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:57:34,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 06:57:34,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=1596, Unknown=0, NotChecked=0, Total=1892 [2024-08-27 06:57:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:34,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:57:34,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:57:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:57:35,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:57:35,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-08-27 06:57:35,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:35,880 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:57:35,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:57:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1080575876, now seen corresponding path program 16 times [2024-08-27 06:57:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:57:35,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12117] [2024-08-27 06:57:35,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:57:35,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:57:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2066 backedges. 936 proven. 788 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-08-27 06:57:37,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:57:37,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12117] [2024-08-27 06:57:37,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12117] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:37,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628614089] [2024-08-27 06:57:37,821 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-27 06:57:37,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:37,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:57:37,822 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:57:37,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-27 06:57:38,271 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-27 06:57:38,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:57:38,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-27 06:57:38,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:57:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2066 backedges. 1708 proven. 105 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-08-27 06:57:39,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:57:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2066 backedges. 1455 proven. 358 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-08-27 06:57:41,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628614089] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:57:41,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:57:41,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 34] total 95 [2024-08-27 06:57:41,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431925222] [2024-08-27 06:57:41,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:57:41,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-08-27 06:57:41,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:57:41,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-08-27 06:57:41,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1966, Invalid=6964, Unknown=0, NotChecked=0, Total=8930 [2024-08-27 06:57:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:41,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:57:41,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 6.431578947368421) internal successors, (611), 95 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:57:41,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:57:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:57:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:57:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:57:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:57:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:57:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:57:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:57:42,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-08-27 06:57:42,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-08-27 06:57:42,372 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:57:42,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:57:42,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1470956044, now seen corresponding path program 17 times [2024-08-27 06:57:42,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:57:42,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476114135] [2024-08-27 06:57:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:57:42,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:57:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:57:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 342 proven. 873 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2024-08-27 06:57:44,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:57:44,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476114135] [2024-08-27 06:57:44,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476114135] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:57:44,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907969148] [2024-08-27 06:57:44,128 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-27 06:57:44,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:57:44,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:57:44,129 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:57:44,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-27 06:58:09,464 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-08-27 06:58:09,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:58:09,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-27 06:58:09,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:58:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 268 proven. 11 refuted. 0 times theorem prover too weak. 1835 trivial. 0 not checked. [2024-08-27 06:58:09,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:58:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-08-27 06:58:09,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907969148] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:58:09,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:58:09,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 5] total 15 [2024-08-27 06:58:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095178197] [2024-08-27 06:58:09,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:58:09,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-27 06:58:09,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:58:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-27 06:58:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-08-27 06:58:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:58:09,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:58:09,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.666666666666666) internal successors, (160), 15 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:58:09,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:58:09,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:58:09,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:58:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:58:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:58:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:58:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:58:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:58:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:58:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:58:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:58:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:58:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:58:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-08-27 06:58:11,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-08-27 06:58:11,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:58:11,565 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:58:11,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:58:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1292577350, now seen corresponding path program 18 times [2024-08-27 06:58:11,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:58:11,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968096218] [2024-08-27 06:58:11,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:58:11,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:58:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:58:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 182 proven. 88 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2024-08-27 06:58:13,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:58:13,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968096218] [2024-08-27 06:58:13,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968096218] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:58:13,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042439348] [2024-08-27 06:58:13,127 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-27 06:58:13,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:58:13,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:58:13,128 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:58:13,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-27 06:59:05,670 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-08-27 06:59:05,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 06:59:05,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-27 06:59:05,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:59:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 182 proven. 195 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-08-27 06:59:06,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:59:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 182 proven. 195 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-08-27 06:59:07,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042439348] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:59:07,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:59:07,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 19, 20] total 48 [2024-08-27 06:59:07,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345396476] [2024-08-27 06:59:07,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:59:07,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-08-27 06:59:07,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:59:07,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-08-27 06:59:07,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=1895, Unknown=0, NotChecked=0, Total=2352 [2024-08-27 06:59:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:59:07,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:59:07,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.1020408163265305) internal successors, (299), 48 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:59:07,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:59:07,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:59:07,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:59:07,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-08-27 06:59:07,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:59:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-08-27 06:59:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-27 06:59:10,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-08-27 06:59:10,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-08-27 06:59:10,558 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:59:10,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:59:10,558 INFO L85 PathProgramCache]: Analyzing trace with hash 550267982, now seen corresponding path program 19 times [2024-08-27 06:59:10,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:59:10,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675661401] [2024-08-27 06:59:10,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:59:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:59:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:59:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 469 proven. 1 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2024-08-27 06:59:11,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 06:59:11,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675661401] [2024-08-27 06:59:11,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675661401] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 06:59:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310642383] [2024-08-27 06:59:11,616 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-27 06:59:11,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 06:59:11,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 06:59:11,617 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 06:59:11,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-08-27 06:59:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 06:59:12,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-27 06:59:12,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 06:59:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 534 proven. 34 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2024-08-27 06:59:12,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 06:59:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 505 proven. 21 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2024-08-27 06:59:12,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310642383] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 06:59:12,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 06:59:12,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 27 [2024-08-27 06:59:12,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691565052] [2024-08-27 06:59:12,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 06:59:12,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-27 06:59:12,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 06:59:12,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-27 06:59:12,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-08-27 06:59:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:59:12,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 06:59:12,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 27 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 06:59:12,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:59:12,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-08-27 06:59:12,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 06:59:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 06:59:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 06:59:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-27 06:59:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-27 06:59:13,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-08-27 06:59:13,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-08-27 06:59:13,315 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 06:59:13,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 06:59:13,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1170558456, now seen corresponding path program 20 times [2024-08-27 06:59:13,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 06:59:13,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482833230] [2024-08-27 06:59:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 06:59:13,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 06:59:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat