./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-local/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.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/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i ./goblint.2024-08-20_10-08-36.files/protection-local/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 02:15:17,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 02:15:17,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 02:15:17,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 02:15:17,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 02:15:17,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 02:15:17,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 02:15:17,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 02:15:17,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 02:15:17,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 02:15:17,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 02:15:17,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 02:15:17,436 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 02:15:17,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 02:15:17,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 02:15:17,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 02:15:17,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 02:15:17,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 02:15:17,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 02:15:17,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 02:15:17,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 02:15:17,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 02:15:17,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 02:15:17,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 02:15:17,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 02:15:17,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 02:15:17,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 02:15:17,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 02:15:17,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 02:15:17,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 02:15:17,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 02:15:17,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 02:15:17,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 02:15:17,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 02:15:17,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 02:15:17,442 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 02:15:17,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 02:15:17,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 02:15:17,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 02:15:17,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 02:15:17,443 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 02:15:17,444 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 02:15:17,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-27 02:15:17,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 02:15:17,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 02:15:17,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 02:15:17,703 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 02:15:17,708 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 02:15:17,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-local/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.yml/witness.yml [2024-08-27 02:15:17,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 02:15:17,925 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 02:15:17,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-08-27 02:15:19,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 02:15:19,552 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 02:15:19,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-08-27 02:15:19,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/32885f81a/60eb06c82b4f477f8d96389122f9229b/FLAG61d7c1b70 [2024-08-27 02:15:19,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/32885f81a/60eb06c82b4f477f8d96389122f9229b [2024-08-27 02:15:19,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 02:15:19,580 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 02:15:19,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 02:15:19,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 02:15:19,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 02:15:19,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 02:15:17" (1/2) ... [2024-08-27 02:15:19,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f6649a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 02:15:19, skipping insertion in model container [2024-08-27 02:15:19,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 02:15:17" (1/2) ... [2024-08-27 02:15:19,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67a8ed86 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 02:15:19, skipping insertion in model container [2024-08-27 02:15:19,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:15:19" (2/2) ... [2024-08-27 02:15:19,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f6649a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:19, skipping insertion in model container [2024-08-27 02:15:19,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:15:19" (2/2) ... [2024-08-27 02:15:19,589 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 02:15:19,712 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 02:15:19,712 INFO L1541 ArrayList]: Location invariant before [L819-L819] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,712 INFO L1541 ArrayList]: Location invariant before [L772-L772] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,712 INFO L1541 ArrayList]: Location invariant before [L815-L815] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,712 INFO L1541 ArrayList]: Location invariant before [L738-L738] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L769-L769] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L752-L752] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L788-L788] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L795-L795] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L749-L749] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L766-L766] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L826-L826] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,713 INFO L1541 ArrayList]: Location invariant before [L759-L759] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-08-27 02:15:19,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 02:15:20,089 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 02:15:20,097 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 02:15:20,209 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 02:15:20,248 INFO L206 MainTranslator]: Completed translation [2024-08-27 02:15:20,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20 WrapperNode [2024-08-27 02:15:20,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 02:15:20,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 02:15:20,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 02:15:20,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 02:15:20,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,306 INFO L138 Inliner]: procedures = 174, calls = 36, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 122 [2024-08-27 02:15:20,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 02:15:20,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 02:15:20,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 02:15:20,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 02:15:20,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 02:15:20,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 02:15:20,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 02:15:20,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 02:15:20,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (1/1) ... [2024-08-27 02:15:20,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 02:15:20,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 02:15:20,393 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 02:15:20,401 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 02:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 02:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 02:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-27 02:15:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-27 02:15:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-27 02:15:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-27 02:15:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 02:15:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 02:15:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 02:15:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 02:15:20,445 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 02:15:20,576 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 02:15:20,579 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 02:15:20,966 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 02:15:20,967 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 02:15:21,197 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 02:15:21,200 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-27 02:15:21,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:15:21 BoogieIcfgContainer [2024-08-27 02:15:21,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 02:15:21,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 02:15:21,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 02:15:21,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 02:15:21,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 02:15:17" (1/4) ... [2024-08-27 02:15:21,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc0affd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 02:15:21, skipping insertion in model container [2024-08-27 02:15:21,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 02:15:19" (2/4) ... [2024-08-27 02:15:21,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc0affd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 02:15:21, skipping insertion in model container [2024-08-27 02:15:21,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:15:20" (3/4) ... [2024-08-27 02:15:21,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc0affd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 02:15:21, skipping insertion in model container [2024-08-27 02:15:21,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:15:21" (4/4) ... [2024-08-27 02:15:21,209 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-08-27 02:15:21,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 02:15:21,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-08-27 02:15:21,226 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 02:15:21,328 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-27 02:15:21,364 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 02:15:21,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 02:15:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 02:15:21,369 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 02:15:21,374 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 02:15:21,408 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 02:15:21,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 02:15:21,444 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;@13267a17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 02:15:21,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-27 02:15:21,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:21,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:21,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1155392592, now seen corresponding path program 1 times [2024-08-27 02:15:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:21,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401020284] [2024-08-27 02:15:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:22,486 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 02:15:22,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:22,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401020284] [2024-08-27 02:15:22,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401020284] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:22,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:22,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 02:15:22,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042151272] [2024-08-27 02:15:22,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:22,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 02:15:22,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:22,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 02:15:22,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 02:15:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:22,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:22,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:22,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:22,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 02:15:22,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:22,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1457488240, now seen corresponding path program 1 times [2024-08-27 02:15:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:22,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809219332] [2024-08-27 02:15:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:22,909 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 02:15:22,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:22,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809219332] [2024-08-27 02:15:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809219332] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:22,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:22,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 02:15:22,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210617672] [2024-08-27 02:15:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:22,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 02:15:22,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:22,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 02:15:22,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-27 02:15:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:22,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:22,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:22,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:22,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:23,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 02:15:23,300 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:23,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2062446638, now seen corresponding path program 1 times [2024-08-27 02:15:23,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:23,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101672627] [2024-08-27 02:15:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:23,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:23,613 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 02:15:23,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:23,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101672627] [2024-08-27 02:15:23,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101672627] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:23,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:23,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 02:15:23,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095449589] [2024-08-27 02:15:23,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:23,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 02:15:23,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:23,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 02:15:23,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-27 02:15:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:23,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:23,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 02:15:23,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:23,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:23,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:24,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:24,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 02:15:24,320 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:24,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:24,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1357637770, now seen corresponding path program 1 times [2024-08-27 02:15:24,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:24,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567082567] [2024-08-27 02:15:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:24,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:25,232 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 02:15:25,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567082567] [2024-08-27 02:15:25,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567082567] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:25,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-27 02:15:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217324515] [2024-08-27 02:15:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:25,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 02:15:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 02:15:25,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-08-27 02:15:25,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:25,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:25,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:26,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:26,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:26,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:26,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 02:15:26,168 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:26,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:26,168 INFO L85 PathProgramCache]: Analyzing trace with hash -230926482, now seen corresponding path program 1 times [2024-08-27 02:15:26,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:26,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259926716] [2024-08-27 02:15:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:26,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:26,901 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 02:15:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259926716] [2024-08-27 02:15:26,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259926716] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:26,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:26,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:26,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275813498] [2024-08-27 02:15:26,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:26,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:15:26,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:26,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:15:26,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:15:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:26,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:26,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 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 02:15:26,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:26,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:26,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:26,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:26,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:27,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:27,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-27 02:15:27,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:27,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:27,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1472071636, now seen corresponding path program 1 times [2024-08-27 02:15:27,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:27,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670608172] [2024-08-27 02:15:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:27,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:28,079 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 02:15:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:28,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670608172] [2024-08-27 02:15:28,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670608172] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:28,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:28,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:28,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001806756] [2024-08-27 02:15:28,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:28,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-27 02:15:28,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:28,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-27 02:15:28,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-08-27 02:15:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:28,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:28,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 02:15:28,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:28,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:28,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:28,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:28,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:28,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:28,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-27 02:15:28,760 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:28,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1685139308, now seen corresponding path program 1 times [2024-08-27 02:15:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:28,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530873222] [2024-08-27 02:15:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:29,192 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 02:15:29,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:29,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530873222] [2024-08-27 02:15:29,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530873222] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:29,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:29,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:29,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621355331] [2024-08-27 02:15:29,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:29,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:15:29,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:29,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:15:29,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:15:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:29,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:29,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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 02:15:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:29,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:29,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:29,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:29,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-27 02:15:29,476 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:29,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:29,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1071738838, now seen corresponding path program 2 times [2024-08-27 02:15:29,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:29,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074948647] [2024-08-27 02:15:29,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:29,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:30,209 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 02:15:30,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:30,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074948647] [2024-08-27 02:15:30,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074948647] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:30,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:30,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-27 02:15:30,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963027615] [2024-08-27 02:15:30,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:30,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 02:15:30,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:30,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 02:15:30,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-08-27 02:15:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:30,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:30,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:30,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-27 02:15:30,974 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:30,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:30,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1597474958, now seen corresponding path program 2 times [2024-08-27 02:15:30,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:30,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742268241] [2024-08-27 02:15:30,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:30,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:32,257 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 02:15:32,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:32,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742268241] [2024-08-27 02:15:32,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742268241] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:32,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:32,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-27 02:15:32,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416784127] [2024-08-27 02:15:32,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:32,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 02:15:32,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:32,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 02:15:32,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-08-27 02:15:32,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:32,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:32,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 02:15:32,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:32,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:32,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:32,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:32,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:32,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:32,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:32,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:32,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:32,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-27 02:15:32,986 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:32,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:32,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1977025868, now seen corresponding path program 2 times [2024-08-27 02:15:32,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:32,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234302182] [2024-08-27 02:15:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:32,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:33,618 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 02:15:33,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:33,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234302182] [2024-08-27 02:15:33,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234302182] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:33,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:33,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:33,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415665807] [2024-08-27 02:15:33,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:33,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-27 02:15:33,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:33,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-27 02:15:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-08-27 02:15:33,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:33,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:33,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:33,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:34,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-27 02:15:34,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:34,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:34,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1494133043, now seen corresponding path program 1 times [2024-08-27 02:15:34,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:34,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9017142] [2024-08-27 02:15:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:34,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:34,476 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 02:15:34,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9017142] [2024-08-27 02:15:34,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9017142] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:34,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:34,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:34,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772526272] [2024-08-27 02:15:34,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:34,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:15:34,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:34,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:15:34,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:15:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:34,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:34,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:34,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:34,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-27 02:15:35,265 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:35,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash 526512142, now seen corresponding path program 1 times [2024-08-27 02:15:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:35,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143762467] [2024-08-27 02:15:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:35,582 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 02:15:35,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:35,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143762467] [2024-08-27 02:15:35,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143762467] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:35,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:35,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 02:15:35,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175947897] [2024-08-27 02:15:35,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:35,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 02:15:35,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:35,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 02:15:35,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-27 02:15:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:35,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:35,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:35,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:35,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:35,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:35,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-08-27 02:15:35,787 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:35,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:35,787 INFO L85 PathProgramCache]: Analyzing trace with hash 286085516, now seen corresponding path program 2 times [2024-08-27 02:15:35,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:35,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921903479] [2024-08-27 02:15:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:35,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:36,113 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 02:15:36,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:36,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921903479] [2024-08-27 02:15:36,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921903479] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:36,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:36,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:36,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127950789] [2024-08-27 02:15:36,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:36,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:15:36,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:36,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:15:36,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:15:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:36,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:36,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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 02:15:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:36,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-08-27 02:15:36,482 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:36,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1920615926, now seen corresponding path program 3 times [2024-08-27 02:15:36,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:36,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300228272] [2024-08-27 02:15:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:37,116 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 02:15:37,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:37,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300228272] [2024-08-27 02:15:37,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300228272] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:37,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:37,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-27 02:15:37,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540565303] [2024-08-27 02:15:37,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:37,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 02:15:37,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:37,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 02:15:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-08-27 02:15:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:37,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:37,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:37,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:37,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:37,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:37,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:37,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-08-27 02:15:37,574 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:37,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:37,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1176480366, now seen corresponding path program 3 times [2024-08-27 02:15:37,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:37,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535387369] [2024-08-27 02:15:37,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:37,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:38,121 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 02:15:38,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:38,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535387369] [2024-08-27 02:15:38,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535387369] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:38,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:38,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670544589] [2024-08-27 02:15:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:38,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:15:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:38,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:15:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:15:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:38,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:38,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 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 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:38,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:38,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-08-27 02:15:38,643 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:38,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:38,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2142956332, now seen corresponding path program 3 times [2024-08-27 02:15:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:38,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3453737] [2024-08-27 02:15:38,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:39,387 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 02:15:39,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:39,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3453737] [2024-08-27 02:15:39,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3453737] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:39,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:39,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-27 02:15:39,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759590144] [2024-08-27 02:15:39,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:39,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 02:15:39,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:39,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 02:15:39,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-08-27 02:15:39,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:39,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:39,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:39,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:39,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:39,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:39,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:39,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:39,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-08-27 02:15:39,795 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:39,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:39,795 INFO L85 PathProgramCache]: Analyzing trace with hash 555141293, now seen corresponding path program 1 times [2024-08-27 02:15:39,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:39,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872338750] [2024-08-27 02:15:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:39,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:40,219 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 02:15:40,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:40,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872338750] [2024-08-27 02:15:40,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872338750] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:40,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:40,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 02:15:40,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675742846] [2024-08-27 02:15:40,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:40,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:15:40,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:40,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:15:40,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:15:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:40,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:40,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:40,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:40,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-08-27 02:15:40,612 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:40,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:40,612 INFO L85 PathProgramCache]: Analyzing trace with hash 980386029, now seen corresponding path program 2 times [2024-08-27 02:15:40,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:40,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661740160] [2024-08-27 02:15:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:41,060 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 02:15:41,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:41,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661740160] [2024-08-27 02:15:41,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661740160] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:41,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:41,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:41,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851190279] [2024-08-27 02:15:41,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:41,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:15:41,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:41,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:15:41,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:15:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:41,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:41,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:41,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:41,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:41,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:41,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-08-27 02:15:41,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-27 02:15:41,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-08-27 02:15:41,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-27 02:15:41,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-27 02:15:41,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-08-27 02:15:41,369 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-08-27 02:15:41,370 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-08-27 02:15:41,376 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 02:15:41,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 02:15:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 02:15:41,398 INFO L229 MonitoredProcess]: Starting monitored process 3 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 02:15:41,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-27 02:15:41,402 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 02:15:41,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork1 ======== [2024-08-27 02:15:41,402 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;@13267a17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 02:15:41,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-27 02:15:41,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:41,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:41,457 INFO L85 PathProgramCache]: Analyzing trace with hash 68241300, now seen corresponding path program 1 times [2024-08-27 02:15:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:41,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529293835] [2024-08-27 02:15:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:41,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:41,567 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 02:15:41,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:41,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529293835] [2024-08-27 02:15:41,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529293835] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:41,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:41,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 02:15:41,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994425558] [2024-08-27 02:15:41,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:41,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 02:15:41,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:41,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 02:15:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 02:15:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:41,568 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:41,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 02:15:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:41,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-08-27 02:15:41,612 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:41,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:41,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2115480756, now seen corresponding path program 1 times [2024-08-27 02:15:41,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:41,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669973945] [2024-08-27 02:15:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:41,720 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 02:15:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:41,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669973945] [2024-08-27 02:15:41,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669973945] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:41,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:41,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 02:15:41,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913442020] [2024-08-27 02:15:41,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:41,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 02:15:41,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:41,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 02:15:41,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-27 02:15:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:41,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:41,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 02:15:41,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:41,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:41,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-08-27 02:15:41,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:41,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:41,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1155394454, now seen corresponding path program 1 times [2024-08-27 02:15:41,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:41,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694096055] [2024-08-27 02:15:41,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:41,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:42,089 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 02:15:42,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:42,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694096055] [2024-08-27 02:15:42,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694096055] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:42,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:42,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 02:15:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045040658] [2024-08-27 02:15:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:42,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 02:15:42,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:42,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 02:15:42,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-27 02:15:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:42,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:42,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:42,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:42,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:43,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-08-27 02:15:43,078 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:43,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:43,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1963122210, now seen corresponding path program 1 times [2024-08-27 02:15:43,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:43,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962379385] [2024-08-27 02:15:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:43,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:43,203 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 02:15:43,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:43,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962379385] [2024-08-27 02:15:43,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962379385] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:43,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:43,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 02:15:43,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701859216] [2024-08-27 02:15:43,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:43,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 02:15:43,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 02:15:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-27 02:15:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:43,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:43,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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 02:15:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:43,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:43,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-08-27 02:15:43,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:43,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:43,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1006201655, now seen corresponding path program 1 times [2024-08-27 02:15:43,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:43,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522254338] [2024-08-27 02:15:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:43,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:44,370 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 02:15:44,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:44,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522254338] [2024-08-27 02:15:44,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522254338] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:44,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:44,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 02:15:44,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757017166] [2024-08-27 02:15:44,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:44,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:15:44,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:15:44,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:15:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:44,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:44,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:44,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-08-27 02:15:44,631 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:44,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1471850317, now seen corresponding path program 1 times [2024-08-27 02:15:44,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:44,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875572220] [2024-08-27 02:15:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:45,018 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 02:15:45,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:45,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875572220] [2024-08-27 02:15:45,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875572220] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:45,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:45,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 02:15:45,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480451084] [2024-08-27 02:15:45,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:45,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:15:45,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:15:45,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:15:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:45,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:45,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:45,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:45,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:45,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:45,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:45,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:45,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:45,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-08-27 02:15:45,263 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:45,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1403919301, now seen corresponding path program 2 times [2024-08-27 02:15:45,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:45,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814910899] [2024-08-27 02:15:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:45,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:46,196 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 02:15:46,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814910899] [2024-08-27 02:15:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814910899] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:46,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:46,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 02:15:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346802224] [2024-08-27 02:15:46,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:46,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:15:46,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:46,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:15:46,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:15:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:46,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:46,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:46,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:46,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-08-27 02:15:46,601 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:46,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:46,602 INFO L85 PathProgramCache]: Analyzing trace with hash -237432721, now seen corresponding path program 1 times [2024-08-27 02:15:46,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:46,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126081994] [2024-08-27 02:15:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:46,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:46,858 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 02:15:46,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:46,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126081994] [2024-08-27 02:15:46,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126081994] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:46,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:46,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 02:15:46,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663670976] [2024-08-27 02:15:46,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:46,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:15:46,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:46,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:15:46,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:15:46,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:46,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:46,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:46,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:47,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-08-27 02:15:47,036 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:47,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:47,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1229520699, now seen corresponding path program 2 times [2024-08-27 02:15:47,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:47,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007481613] [2024-08-27 02:15:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:47,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:47,359 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 02:15:47,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:47,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007481613] [2024-08-27 02:15:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007481613] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:47,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:47,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570488341] [2024-08-27 02:15:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:47,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:15:47,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:15:47,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:15:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:47,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:47,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:47,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-08-27 02:15:47,657 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-08-27 02:15:47,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:47,657 INFO L85 PathProgramCache]: Analyzing trace with hash 453390387, now seen corresponding path program 3 times [2024-08-27 02:15:47,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:47,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987776328] [2024-08-27 02:15:47,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:47,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:48,775 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 02:15:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987776328] [2024-08-27 02:15:48,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987776328] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:48,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:48,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:48,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326351271] [2024-08-27 02:15:48,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:48,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-27 02:15:48,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-27 02:15:48,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-08-27 02:15:48,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:48,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:48,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:48,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:48,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:48,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:48,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:49,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-08-27 02:15:49,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-27 02:15:49,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-08-27 02:15:49,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 5 remaining) [2024-08-27 02:15:49,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 5 remaining) [2024-08-27 02:15:49,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-08-27 02:15:49,195 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-08-27 02:15:49,195 INFO L308 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-08-27 02:15:49,199 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 02:15:49,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 02:15:49,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 02:15:49,201 INFO L229 MonitoredProcess]: Starting monitored process 4 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 02:15:49,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-08-27 02:15:49,210 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 02:15:49,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork0 ======== [2024-08-27 02:15:49,212 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;@13267a17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 02:15:49,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-27 02:15:49,324 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:49,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:49,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2064235567, now seen corresponding path program 1 times [2024-08-27 02:15:49,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:49,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086861629] [2024-08-27 02:15:49,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:49,521 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 02:15:49,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:49,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086861629] [2024-08-27 02:15:49,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086861629] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:49,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:49,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 02:15:49,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070235621] [2024-08-27 02:15:49,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:49,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 02:15:49,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:49,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 02:15:49,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 02:15:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:49,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:49,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 02:15:49,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:49,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-08-27 02:15:49,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:49,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:49,582 INFO L85 PathProgramCache]: Analyzing trace with hash 486873329, now seen corresponding path program 1 times [2024-08-27 02:15:49,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:49,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290478106] [2024-08-27 02:15:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:49,710 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 02:15:49,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:49,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290478106] [2024-08-27 02:15:49,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290478106] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:49,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:49,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 02:15:49,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392659906] [2024-08-27 02:15:49,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:49,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 02:15:49,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:49,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 02:15:49,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-27 02:15:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:49,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:49,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 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 02:15:49,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:49,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:49,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:49,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-08-27 02:15:49,975 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:49,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:49,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2031282477, now seen corresponding path program 1 times [2024-08-27 02:15:49,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:49,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571464171] [2024-08-27 02:15:49,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:49,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:50,163 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 02:15:50,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:50,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571464171] [2024-08-27 02:15:50,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571464171] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:50,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:50,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 02:15:50,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413889437] [2024-08-27 02:15:50,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:50,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 02:15:50,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:50,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 02:15:50,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-27 02:15:50,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:50,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:50,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 02:15:50,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:50,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:50,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:50,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:50,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-08-27 02:15:50,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:50,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:50,550 INFO L85 PathProgramCache]: Analyzing trace with hash 931328957, now seen corresponding path program 1 times [2024-08-27 02:15:50,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:50,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501717914] [2024-08-27 02:15:50,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:50,693 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 02:15:50,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:50,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501717914] [2024-08-27 02:15:50,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501717914] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:50,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:50,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 02:15:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324779450] [2024-08-27 02:15:50,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:50,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 02:15:50,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:50,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 02:15:50,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 02:15:50,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:50,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:50,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:50,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:50,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:50,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:50,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:50,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-08-27 02:15:50,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:50,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:50,824 INFO L85 PathProgramCache]: Analyzing trace with hash 409107784, now seen corresponding path program 1 times [2024-08-27 02:15:50,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:50,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369805783] [2024-08-27 02:15:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:50,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:51,433 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 02:15:51,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:51,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369805783] [2024-08-27 02:15:51,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369805783] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:51,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:51,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:51,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963358012] [2024-08-27 02:15:51,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:51,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-27 02:15:51,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:51,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-27 02:15:51,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-08-27 02:15:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:51,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:51,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 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 02:15:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:51,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-08-27 02:15:51,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:51,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:51,600 INFO L85 PathProgramCache]: Analyzing trace with hash -202560136, now seen corresponding path program 1 times [2024-08-27 02:15:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:51,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927495132] [2024-08-27 02:15:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:52,061 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 02:15:52,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:52,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927495132] [2024-08-27 02:15:52,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927495132] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:52,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:52,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-27 02:15:52,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746954739] [2024-08-27 02:15:52,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:52,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 02:15:52,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:52,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 02:15:52,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-08-27 02:15:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:52,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:52,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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 02:15:52,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:52,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:52,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:52,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:52,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:52,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:52,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:52,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:52,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:52,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-08-27 02:15:52,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:52,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:52,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2058136597, now seen corresponding path program 1 times [2024-08-27 02:15:52,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:52,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864646470] [2024-08-27 02:15:52,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:52,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:52,834 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 02:15:52,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:52,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864646470] [2024-08-27 02:15:52,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864646470] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:52,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:52,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 02:15:52,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239756563] [2024-08-27 02:15:52,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:52,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 02:15:52,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:52,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 02:15:52,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-27 02:15:52,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:52,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:52,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:52,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:53,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-08-27 02:15:53,005 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:53,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:53,005 INFO L85 PathProgramCache]: Analyzing trace with hash 622275381, now seen corresponding path program 1 times [2024-08-27 02:15:53,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:53,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068289092] [2024-08-27 02:15:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:53,267 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 02:15:53,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:53,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068289092] [2024-08-27 02:15:53,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068289092] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:53,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:53,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 02:15:53,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268046332] [2024-08-27 02:15:53,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:53,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:15:53,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:53,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:15:53,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:15:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:53,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:53,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:15:53,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:53,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:53,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:53,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:53,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:53,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:53,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:53,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:53,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:53,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:53,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-08-27 02:15:53,507 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:53,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:53,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1127480652, now seen corresponding path program 1 times [2024-08-27 02:15:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:53,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38517573] [2024-08-27 02:15:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:54,618 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 02:15:54,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:54,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38517573] [2024-08-27 02:15:54,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38517573] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:54,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:54,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:54,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598625333] [2024-08-27 02:15:54,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:54,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-27 02:15:54,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:54,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-27 02:15:54,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-08-27 02:15:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:54,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:54,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 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 02:15:54,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:54,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:54,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-08-27 02:15:54,839 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:54,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash 2110668077, now seen corresponding path program 1 times [2024-08-27 02:15:54,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:54,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115723096] [2024-08-27 02:15:54,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:54,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:55,244 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 02:15:55,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:55,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115723096] [2024-08-27 02:15:55,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115723096] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:55,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:55,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:55,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780432815] [2024-08-27 02:15:55,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:55,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:15:55,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:55,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:15:55,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:15:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:55,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:55,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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 02:15:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:55,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:55,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:55,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:55,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:55,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:55,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:55,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:55,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-08-27 02:15:55,576 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:55,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:55,577 INFO L85 PathProgramCache]: Analyzing trace with hash 461866251, now seen corresponding path program 1 times [2024-08-27 02:15:55,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:55,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282731594] [2024-08-27 02:15:55,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:55,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:55,835 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 02:15:55,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:55,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282731594] [2024-08-27 02:15:55,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282731594] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:55,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:55,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 02:15:55,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301187900] [2024-08-27 02:15:55,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:55,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 02:15:55,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:55,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 02:15:55,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 02:15:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:55,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:55,840 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 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:55,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:55,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:55,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:55,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:56,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-08-27 02:15:56,017 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:56,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:56,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1617280012, now seen corresponding path program 1 times [2024-08-27 02:15:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793527185] [2024-08-27 02:15:56,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:56,320 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 02:15:56,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:56,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793527185] [2024-08-27 02:15:56,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793527185] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:56,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:56,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:56,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002035782] [2024-08-27 02:15:56,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:56,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:15:56,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:56,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:15:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:15:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:56,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:56,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 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 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:56,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:56,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:56,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:56,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:56,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:56,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-08-27 02:15:56,540 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:56,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:56,541 INFO L85 PathProgramCache]: Analyzing trace with hash 57025058, now seen corresponding path program 1 times [2024-08-27 02:15:56,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:56,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700375007] [2024-08-27 02:15:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:56,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:57,251 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 02:15:57,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:57,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700375007] [2024-08-27 02:15:57,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700375007] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:57,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:57,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-27 02:15:57,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771227582] [2024-08-27 02:15:57,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:57,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 02:15:57,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:57,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 02:15:57,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-08-27 02:15:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:57,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:57,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 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 02:15:57,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:57,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:57,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:57,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:57,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:57,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-08-27 02:15:57,506 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:57,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:57,506 INFO L85 PathProgramCache]: Analyzing trace with hash 571825790, now seen corresponding path program 2 times [2024-08-27 02:15:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:57,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089897800] [2024-08-27 02:15:57,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:57,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:58,440 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 02:15:58,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:58,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089897800] [2024-08-27 02:15:58,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089897800] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:58,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:58,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-27 02:15:58,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826542132] [2024-08-27 02:15:58,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:58,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:15:58,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:15:58,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:15:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:58,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:58,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 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 02:15:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:58,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-08-27 02:15:58,682 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:58,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:58,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1617280289, now seen corresponding path program 2 times [2024-08-27 02:15:58,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:58,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219837297] [2024-08-27 02:15:58,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:58,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:59,084 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 02:15:59,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:59,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219837297] [2024-08-27 02:15:59,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219837297] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:59,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:59,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:15:59,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780793036] [2024-08-27 02:15:59,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:59,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:15:59,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:59,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:15:59,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:15:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:59,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:59,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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 02:15:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-08-27 02:15:59,396 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:59,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:59,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1432952341, now seen corresponding path program 1 times [2024-08-27 02:15:59,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:59,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597415097] [2024-08-27 02:15:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:59,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:15:59,649 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 02:15:59,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:15:59,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597415097] [2024-08-27 02:15:59,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597415097] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:15:59,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:15:59,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 02:15:59,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115768040] [2024-08-27 02:15:59,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:15:59,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 02:15:59,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:15:59,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 02:15:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-27 02:15:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:59,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:15:59,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:15:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:15:59,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-08-27 02:15:59,772 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:15:59,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:15:59,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1471850061, now seen corresponding path program 1 times [2024-08-27 02:15:59,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:15:59,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387181107] [2024-08-27 02:15:59,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:15:59,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:15:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:00,139 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 02:16:00,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:00,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387181107] [2024-08-27 02:16:00,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387181107] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:00,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:00,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 02:16:00,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118234856] [2024-08-27 02:16:00,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:00,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:16:00,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:16:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:16:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:00,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:00,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-08-27 02:16:00,392 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:00,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:00,393 INFO L85 PathProgramCache]: Analyzing trace with hash -2087395603, now seen corresponding path program 1 times [2024-08-27 02:16:00,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:00,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686356947] [2024-08-27 02:16:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:00,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:00,572 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 02:16:00,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:00,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686356947] [2024-08-27 02:16:00,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686356947] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:00,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:00,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 02:16:00,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749281614] [2024-08-27 02:16:00,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:00,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 02:16:00,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 02:16:00,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 02:16:00,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:00,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:00,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 02:16:00,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:00,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:00,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-08-27 02:16:00,790 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:00,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1229520658, now seen corresponding path program 1 times [2024-08-27 02:16:00,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:00,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035278891] [2024-08-27 02:16:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:01,072 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 02:16:01,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:01,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035278891] [2024-08-27 02:16:01,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035278891] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:01,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:01,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:16:01,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342545407] [2024-08-27 02:16:01,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:01,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 02:16:01,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:01,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 02:16:01,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-27 02:16:01,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:01,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:01,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:16:01,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:01,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-08-27 02:16:01,381 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:01,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:01,381 INFO L85 PathProgramCache]: Analyzing trace with hash -539563578, now seen corresponding path program 2 times [2024-08-27 02:16:01,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:01,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911359072] [2024-08-27 02:16:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:01,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:01,762 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 02:16:01,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:01,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911359072] [2024-08-27 02:16:01,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911359072] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:01,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:01,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 02:16:01,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315477860] [2024-08-27 02:16:01,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:01,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:16:01,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:01,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:16:01,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:16:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:01,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:01,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 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 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-08-27 02:16:02,112 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:02,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash -430469388, now seen corresponding path program 2 times [2024-08-27 02:16:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429547386] [2024-08-27 02:16:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:02,983 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 02:16:02,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:02,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429547386] [2024-08-27 02:16:02,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429547386] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:02,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:02,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-27 02:16:02,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159484803] [2024-08-27 02:16:02,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:02,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 02:16:02,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:02,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 02:16:02,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-08-27 02:16:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:02,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:02,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:02,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:03,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-08-27 02:16:03,322 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:03,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1170200528, now seen corresponding path program 3 times [2024-08-27 02:16:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:03,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110234007] [2024-08-27 02:16:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:04,444 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 02:16:04,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:04,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110234007] [2024-08-27 02:16:04,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110234007] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:04,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:04,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-27 02:16:04,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100178279] [2024-08-27 02:16:04,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:04,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-27 02:16:04,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:04,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-27 02:16:04,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-08-27 02:16:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:04,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:04,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 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 02:16:04,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:04,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:04,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:04,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:04,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:04,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-08-27 02:16:04,804 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:04,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:04,804 INFO L85 PathProgramCache]: Analyzing trace with hash -539563855, now seen corresponding path program 3 times [2024-08-27 02:16:04,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:04,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698826045] [2024-08-27 02:16:04,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:04,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:05,271 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 02:16:05,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:05,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698826045] [2024-08-27 02:16:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698826045] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:05,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:05,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 02:16:05,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100468727] [2024-08-27 02:16:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:05,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-27 02:16:05,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:05,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-27 02:16:05,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-08-27 02:16:05,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:05,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:05,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 02:16:05,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:05,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:05,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:05,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:05,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-08-27 02:16:05,569 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 02:16:05,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 02:16:05,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1229520443, now seen corresponding path program 2 times [2024-08-27 02:16:05,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 02:16:05,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34690280] [2024-08-27 02:16:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 02:16:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 02:16:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 02:16:06,056 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 02:16:06,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 02:16:06,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34690280] [2024-08-27 02:16:06,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34690280] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 02:16:06,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 02:16:06,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 02:16:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454411552] [2024-08-27 02:16:06,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 02:16:06,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 02:16:06,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 02:16:06,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 02:16:06,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-27 02:16:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:06,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 02:16:06,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 02:16:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 02:16:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 02:16:06,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 02:16:06,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-27 02:16:06,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-27 02:16:06,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-08-27 02:16:06,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-08-27 02:16:06,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-08-27 02:16:06,230 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-27 02:16:06,230 INFO L308 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (3/3) [2024-08-27 02:16:06,231 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-27 02:16:06,231 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-27 02:16:06,234 INFO L507 ceAbstractionStarter]: Automizer considered 12 witness invariants [2024-08-27 02:16:06,234 INFO L508 ceAbstractionStarter]: WitnessConsidered=12 [2024-08-27 02:16:06,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 02:16:06 BasicIcfg [2024-08-27 02:16:06,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-27 02:16:06,235 INFO L158 Benchmark]: Toolchain (without parser) took 46655.19ms. Allocated memory was 163.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 79.7MB in the beginning and 857.3MB in the end (delta: -777.6MB). Peak memory consumption was 800.7MB. Max. memory is 16.1GB. [2024-08-27 02:16:06,235 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 02:16:06,235 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 163.6MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 02:16:06,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.25ms. Allocated memory was 163.6MB in the beginning and 226.5MB in the end (delta: 62.9MB). Free memory was 79.5MB in the beginning and 173.8MB in the end (delta: -94.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-08-27 02:16:06,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 226.5MB. Free memory was 173.8MB in the beginning and 171.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 02:16:06,237 INFO L158 Benchmark]: Boogie Preprocessor took 55.09ms. Allocated memory is still 226.5MB. Free memory was 171.0MB in the beginning and 168.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 02:16:06,237 INFO L158 Benchmark]: RCFGBuilder took 837.87ms. Allocated memory is still 226.5MB. Free memory was 168.9MB in the beginning and 71.4MB in the end (delta: 97.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-08-27 02:16:06,237 INFO L158 Benchmark]: TraceAbstraction took 45032.53ms. Allocated memory was 226.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 70.3MB in the beginning and 857.3MB in the end (delta: -787.0MB). Peak memory consumption was 727.2MB. Max. memory is 16.1GB. [2024-08-27 02:16:06,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 163.6MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.25ms. Allocated memory was 163.6MB in the beginning and 226.5MB in the end (delta: 62.9MB). Free memory was 79.5MB in the beginning and 173.8MB in the end (delta: -94.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 226.5MB. Free memory was 173.8MB in the beginning and 171.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.09ms. Allocated memory is still 226.5MB. Free memory was 171.0MB in the beginning and 168.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 837.87ms. Allocated memory is still 226.5MB. Free memory was 168.9MB in the beginning and 71.4MB in the end (delta: 97.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * TraceAbstraction took 45032.53ms. Allocated memory was 226.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 70.3MB in the beginning and 857.3MB in the end (delta: -787.0MB). Peak memory consumption was 727.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24156, independent: 18764, independent conditional: 18115, independent unconditional: 649, dependent: 5392, dependent conditional: 5373, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19553, independent: 18764, independent conditional: 18115, independent unconditional: 649, dependent: 789, dependent conditional: 770, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19553, independent: 18764, independent conditional: 18115, independent unconditional: 649, dependent: 789, dependent conditional: 770, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23563, independent: 18764, independent conditional: 65, independent unconditional: 18699, dependent: 4799, dependent conditional: 3945, dependent unconditional: 854, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23563, independent: 18764, independent conditional: 65, independent unconditional: 18699, dependent: 4799, dependent conditional: 3917, dependent unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23563, independent: 18764, independent conditional: 65, independent unconditional: 18699, dependent: 4799, dependent conditional: 3917, dependent unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 854, independent: 663, independent conditional: 14, independent unconditional: 649, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 854, independent: 420, independent conditional: 0, independent unconditional: 420, dependent: 434, dependent conditional: 0, dependent unconditional: 434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 434, independent: 243, independent conditional: 14, independent unconditional: 229, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 434, independent: 243, independent conditional: 14, independent unconditional: 229, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3322, independent: 1567, independent conditional: 94, independent unconditional: 1473, dependent: 1755, dependent conditional: 1602, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23563, independent: 18101, independent conditional: 51, independent unconditional: 18050, dependent: 4608, dependent conditional: 3745, dependent unconditional: 863, unknown: 854, unknown conditional: 186, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 854, Positive cache size: 663, Positive conditional cache size: 14, Positive unconditional cache size: 649, Negative cache size: 191, Negative conditional cache size: 172, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 12, Independence queries for same thread: 4603 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.7s, Number of persistent set computation: 275, Number of trivial persistent sets: 146, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668, independent: 649, independent conditional: 0, independent unconditional: 649, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24156, independent: 18764, independent conditional: 18115, independent unconditional: 649, dependent: 5392, dependent conditional: 5373, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19553, independent: 18764, independent conditional: 18115, independent unconditional: 649, dependent: 789, dependent conditional: 770, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19553, independent: 18764, independent conditional: 18115, independent unconditional: 649, dependent: 789, dependent conditional: 770, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23563, independent: 18764, independent conditional: 65, independent unconditional: 18699, dependent: 4799, dependent conditional: 3945, dependent unconditional: 854, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23563, independent: 18764, independent conditional: 65, independent unconditional: 18699, dependent: 4799, dependent conditional: 3917, dependent unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23563, independent: 18764, independent conditional: 65, independent unconditional: 18699, dependent: 4799, dependent conditional: 3917, dependent unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 854, independent: 663, independent conditional: 14, independent unconditional: 649, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 854, independent: 420, independent conditional: 0, independent unconditional: 420, dependent: 434, dependent conditional: 0, dependent unconditional: 434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 434, independent: 243, independent conditional: 14, independent unconditional: 229, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 434, independent: 243, independent conditional: 14, independent unconditional: 229, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3322, independent: 1567, independent conditional: 94, independent unconditional: 1473, dependent: 1755, dependent conditional: 1602, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23563, independent: 18101, independent conditional: 51, independent unconditional: 18050, dependent: 4608, dependent conditional: 3745, dependent unconditional: 863, unknown: 854, unknown conditional: 186, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 854, Positive cache size: 663, Positive conditional cache size: 14, Positive unconditional cache size: 649, Negative cache size: 191, Negative conditional cache size: 172, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 12, Independence queries for same thread: 4603 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3658, independent: 3048, independent conditional: 2451, independent unconditional: 597, dependent: 610, dependent conditional: 593, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3127, independent: 3048, independent conditional: 2451, independent unconditional: 597, dependent: 79, dependent conditional: 62, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3127, independent: 3048, independent conditional: 2451, independent unconditional: 597, dependent: 79, dependent conditional: 62, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3481, independent: 3048, independent conditional: 58, independent unconditional: 2990, dependent: 433, dependent conditional: 296, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3481, independent: 3048, independent conditional: 58, independent unconditional: 2990, dependent: 433, dependent conditional: 293, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3481, independent: 3048, independent conditional: 58, independent unconditional: 2990, dependent: 433, dependent conditional: 293, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, independent: 600, independent conditional: 3, independent unconditional: 597, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 269, independent: 216, independent conditional: 3, independent unconditional: 213, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 269, independent: 216, independent conditional: 3, independent unconditional: 213, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1697, independent: 1086, independent conditional: 20, independent unconditional: 1067, dependent: 610, dependent conditional: 505, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3481, independent: 2448, independent conditional: 55, independent unconditional: 2393, dependent: 380, dependent conditional: 257, dependent unconditional: 123, unknown: 653, unknown conditional: 39, unknown unconditional: 614] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 600, Positive conditional cache size: 3, Positive unconditional cache size: 597, Negative cache size: 53, Negative conditional cache size: 36, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 6, Independence queries for same thread: 531 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 100, Number of trivial persistent sets: 71, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3658, independent: 3048, independent conditional: 2451, independent unconditional: 597, dependent: 610, dependent conditional: 593, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3127, independent: 3048, independent conditional: 2451, independent unconditional: 597, dependent: 79, dependent conditional: 62, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3127, independent: 3048, independent conditional: 2451, independent unconditional: 597, dependent: 79, dependent conditional: 62, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3481, independent: 3048, independent conditional: 58, independent unconditional: 2990, dependent: 433, dependent conditional: 296, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3481, independent: 3048, independent conditional: 58, independent unconditional: 2990, dependent: 433, dependent conditional: 293, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3481, independent: 3048, independent conditional: 58, independent unconditional: 2990, dependent: 433, dependent conditional: 293, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, independent: 600, independent conditional: 3, independent unconditional: 597, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 269, independent: 216, independent conditional: 3, independent unconditional: 213, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 269, independent: 216, independent conditional: 3, independent unconditional: 213, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1697, independent: 1086, independent conditional: 20, independent unconditional: 1067, dependent: 610, dependent conditional: 505, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3481, independent: 2448, independent conditional: 55, independent unconditional: 2393, dependent: 380, dependent conditional: 257, dependent unconditional: 123, unknown: 653, unknown conditional: 39, unknown unconditional: 614] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 600, Positive conditional cache size: 3, Positive unconditional cache size: 597, Negative cache size: 53, Negative conditional cache size: 36, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 6, Independence queries for same thread: 531 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8079, independent: 6125, independent conditional: 5511, independent unconditional: 614, dependent: 1954, dependent conditional: 1938, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6268, independent: 6125, independent conditional: 5511, independent unconditional: 614, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6268, independent: 6125, independent conditional: 5511, independent unconditional: 614, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7567, independent: 6125, independent conditional: 52, independent unconditional: 6073, dependent: 1442, dependent conditional: 1247, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7567, independent: 6125, independent conditional: 52, independent unconditional: 6073, dependent: 1442, dependent conditional: 1247, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7567, independent: 6125, independent conditional: 52, independent unconditional: 6073, dependent: 1442, dependent conditional: 1247, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 717, independent: 616, independent conditional: 2, independent unconditional: 614, dependent: 101, dependent conditional: 85, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 717, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 306, independent: 205, independent conditional: 2, independent unconditional: 203, dependent: 101, dependent conditional: 85, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 306, independent: 205, independent conditional: 2, independent unconditional: 203, dependent: 101, dependent conditional: 85, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2323, independent: 1108, independent conditional: 4, independent unconditional: 1104, dependent: 1215, dependent conditional: 1101, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7567, independent: 5509, independent conditional: 50, independent unconditional: 5459, dependent: 1341, dependent conditional: 1162, dependent unconditional: 179, unknown: 717, unknown conditional: 87, unknown unconditional: 630] , Statistics on independence cache: Total cache size (in pairs): 717, Positive cache size: 616, Positive conditional cache size: 2, Positive unconditional cache size: 614, Negative cache size: 101, Negative conditional cache size: 85, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 15, Independence queries for same thread: 1811 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 153, Number of trivial persistent sets: 153, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 630, independent: 614, independent conditional: 0, independent unconditional: 614, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8079, independent: 6125, independent conditional: 5511, independent unconditional: 614, dependent: 1954, dependent conditional: 1938, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6268, independent: 6125, independent conditional: 5511, independent unconditional: 614, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6268, independent: 6125, independent conditional: 5511, independent unconditional: 614, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7567, independent: 6125, independent conditional: 52, independent unconditional: 6073, dependent: 1442, dependent conditional: 1247, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7567, independent: 6125, independent conditional: 52, independent unconditional: 6073, dependent: 1442, dependent conditional: 1247, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7567, independent: 6125, independent conditional: 52, independent unconditional: 6073, dependent: 1442, dependent conditional: 1247, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 717, independent: 616, independent conditional: 2, independent unconditional: 614, dependent: 101, dependent conditional: 85, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 717, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 306, independent: 205, independent conditional: 2, independent unconditional: 203, dependent: 101, dependent conditional: 85, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 306, independent: 205, independent conditional: 2, independent unconditional: 203, dependent: 101, dependent conditional: 85, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2323, independent: 1108, independent conditional: 4, independent unconditional: 1104, dependent: 1215, dependent conditional: 1101, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7567, independent: 5509, independent conditional: 50, independent unconditional: 5459, dependent: 1341, dependent conditional: 1162, dependent unconditional: 179, unknown: 717, unknown conditional: 87, unknown unconditional: 630] , Statistics on independence cache: Total cache size (in pairs): 717, Positive cache size: 616, Positive conditional cache size: 2, Positive unconditional cache size: 614, Negative cache size: 101, Negative conditional cache size: 85, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 15, Independence queries for same thread: 1811 - PositiveResult [Line: 815]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 819]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 826]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 766]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 769]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 772]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 788]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 795]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 738]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 749]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 752]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 759]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 64 locations, 23 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 9.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 115, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 7853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 64 locations, 23 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 2821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 64 locations, 23 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 6.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 8779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-27 02:16:06,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-08-27 02:16:06,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-08-27 02:16:06,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-27 02:16:06,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE