./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-local/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i ./goblint.2024-09-02_08-21-23.files/protection-local/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-24 15:28:32,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 15:28:32,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 15:28:32,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 15:28:32,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 15:28:32,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 15:28:32,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 15:28:32,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 15:28:32,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 15:28:32,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 15:28:32,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 15:28:32,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 15:28:32,575 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 15:28:32,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 15:28:32,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 15:28:32,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 15:28:32,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 15:28:32,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 15:28:32,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 15:28:32,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 15:28:32,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 15:28:32,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 15:28:32,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 15:28:32,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 15:28:32,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 15:28:32,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 15:28:32,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 15:28:32,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 15:28:32,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 15:28:32,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 15:28:32,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 15:28:32,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 15:28:32,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 15:28:32,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 15:28:32,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 15:28:32,587 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 15:28:32,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 15:28:32,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 15:28:32,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 15:28:32,588 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 15:28:32,589 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 15:28:32,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 15:28:32,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 15:28:32,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 15:28:32,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 15:28:32,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 15:28:32,784 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 15:28:32,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-09-24 15:28:33,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 15:28:34,185 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 15:28:34,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-09-24 15:28:34,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a16f806a7/df0941ed043c470294376041db2caab9/FLAG7e176d713 [2024-09-24 15:28:34,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a16f806a7/df0941ed043c470294376041db2caab9 [2024-09-24 15:28:34,217 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 15:28:34,217 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 15:28:34,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-local/mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.yml/witness.yml [2024-09-24 15:28:34,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 15:28:34,335 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 15:28:34,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 15:28:34,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 15:28:34,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 15:28:34,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:28:34" (1/2) ... [2024-09-24 15:28:34,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495b9130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:28:34, skipping insertion in model container [2024-09-24 15:28:34,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:28:34" (1/2) ... [2024-09-24 15:28:34,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74881e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:28:34, skipping insertion in model container [2024-09-24 15:28:34,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 03:28:34" (2/2) ... [2024-09-24 15:28:34,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495b9130 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34, skipping insertion in model container [2024-09-24 15:28:34,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 03:28:34" (2/2) ... [2024-09-24 15:28:34,468 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 15:28:34,468 INFO L1541 ArrayList]: Location invariant before [L821-L821] (((((((((((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$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L750-L750] (((((((((((0 <= __unbuffered_cnt) && (y$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_EAX == 0 || __unbuffered_p1_EAX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L736-L736] (((((((((((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$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L810-L810] (((((((((((0 <= __unbuffered_cnt) && (y$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_EAX == 0 || __unbuffered_p1_EAX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L790-L790] (((((((((((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$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L814-L814] (((((((((((0 <= __unbuffered_cnt) && (y$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_EAX == 0 || __unbuffered_p1_EAX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L783-L783] (((((((((((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$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L767-L767] (((((((((((0 <= __unbuffered_cnt) && (y$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_EAX == 0 || __unbuffered_p1_EAX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L764-L764] (((((((((((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$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,469 INFO L1541 ArrayList]: Location invariant before [L747-L747] (((((((((((0 <= __unbuffered_cnt) && (y$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_EAX == 0 || __unbuffered_p1_EAX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,470 INFO L1541 ArrayList]: Location invariant before [L757-L757] (((((((((((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$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((x == 0 || x == 1) || x == 2) [2024-09-24 15:28:34,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 15:28:34,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 15:28:34,770 INFO L200 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 [2024-09-24 15:28:34,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 15:28:34,903 INFO L204 MainTranslator]: Completed translation [2024-09-24 15:28:34,903 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34 WrapperNode [2024-09-24 15:28:34,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 15:28:34,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 15:28:34,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 15:28:34,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 15:28:34,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,942 INFO L138 Inliner]: procedures = 174, calls = 34, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 121 [2024-09-24 15:28:34,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 15:28:34,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 15:28:34,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 15:28:34,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 15:28:34,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 15:28:34,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 15:28:34,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 15:28:34,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 15:28:34,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (1/1) ... [2024-09-24 15:28:34,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 15:28:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 15:28:35,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-24 15:28:35,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-24 15:28:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-24 15:28:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-24 15:28:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 15:28:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 15:28:35,049 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-24 15:28:35,148 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 15:28:35,149 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 15:28:35,441 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 15:28:35,441 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 15:28:35,639 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 15:28:35,639 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-24 15:28:35,640 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:28:35 BoogieIcfgContainer [2024-09-24 15:28:35,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 15:28:35,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 15:28:35,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 15:28:35,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 15:28:35,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:28:34" (1/4) ... [2024-09-24 15:28:35,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdd2fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:28:35, skipping insertion in model container [2024-09-24 15:28:35,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 03:28:34" (2/4) ... [2024-09-24 15:28:35,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdd2fb4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 03:28:35, skipping insertion in model container [2024-09-24 15:28:35,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 03:28:34" (3/4) ... [2024-09-24 15:28:35,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdd2fb4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 03:28:35, skipping insertion in model container [2024-09-24 15:28:35,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:28:35" (4/4) ... [2024-09-24 15:28:35,647 INFO L112 eAbstractionObserver]: Analyzing ICFG mix054_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-09-24 15:28:35,658 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 15:28:35,658 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-09-24 15:28:35,659 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 15:28:35,707 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-24 15:28:35,735 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 15:28:35,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 15:28:35,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 15:28:35,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 15:28:35,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-24 15:28:35,763 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 15:28:35,774 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-09-24 15:28:35,780 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60bf9c06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 15:28:35,780 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-24 15:28:35,894 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:35,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash -201652122, now seen corresponding path program 1 times [2024-09-24 15:28:35,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:35,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287988391] [2024-09-24 15:28:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:35,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:36,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287988391] [2024-09-24 15:28:36,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287988391] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:36,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:36,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 15:28:36,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176936564] [2024-09-24 15:28:36,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:36,461 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 15:28:36,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:36,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 15:28:36,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 15:28:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:36,480 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:36,481 INFO L475 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) [2024-09-24 15:28:36,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:36,794 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 15:28:36,795 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:36,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1956248043, now seen corresponding path program 1 times [2024-09-24 15:28:36,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:36,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866543341] [2024-09-24 15:28:36,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:37,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:37,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866543341] [2024-09-24 15:28:37,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866543341] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:37,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:37,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 15:28:37,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104443720] [2024-09-24 15:28:37,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:37,006 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 15:28:37,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 15:28:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 15:28:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:37,008 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:37,008 INFO L475 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) [2024-09-24 15:28:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:37,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:37,978 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 15:28:37,978 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:37,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:37,979 INFO L85 PathProgramCache]: Analyzing trace with hash 149207466, now seen corresponding path program 1 times [2024-09-24 15:28:37,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:37,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883902644] [2024-09-24 15:28:37,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:37,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:38,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:38,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883902644] [2024-09-24 15:28:38,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883902644] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:38,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:38,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 15:28:38,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623499715] [2024-09-24 15:28:38,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:38,267 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 15:28:38,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:38,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 15:28:38,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 15:28:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:38,268 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:38,268 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 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) [2024-09-24 15:28:38,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:38,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:38,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:38,428 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-24 15:28:38,428 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:38,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2057730450, now seen corresponding path program 1 times [2024-09-24 15:28:38,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:38,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396411239] [2024-09-24 15:28:38,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:38,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:39,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:39,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396411239] [2024-09-24 15:28:39,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396411239] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:39,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:39,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 15:28:39,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321520722] [2024-09-24 15:28:39,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:39,440 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 15:28:39,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:39,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 15:28:39,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-24 15:28:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:39,444 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:39,444 INFO L475 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) [2024-09-24 15:28:39,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:39,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:39,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:39,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:39,732 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-24 15:28:39,732 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:39,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:39,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1846846980, now seen corresponding path program 1 times [2024-09-24 15:28:39,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:39,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823528343] [2024-09-24 15:28:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:39,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:40,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:40,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823528343] [2024-09-24 15:28:40,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823528343] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:40,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:40,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 15:28:40,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676793785] [2024-09-24 15:28:40,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:40,022 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 15:28:40,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:40,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 15:28:40,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-24 15:28:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:40,023 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:40,024 INFO L475 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) [2024-09-24 15:28:40,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:40,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:40,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:40,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:40,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:40,260 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-24 15:28:40,260 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:40,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash -998448042, now seen corresponding path program 2 times [2024-09-24 15:28:40,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:40,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444382156] [2024-09-24 15:28:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:41,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:41,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444382156] [2024-09-24 15:28:41,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444382156] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:41,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:41,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 15:28:41,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524011401] [2024-09-24 15:28:41,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:41,128 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 15:28:41,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 15:28:41,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-09-24 15:28:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:41,130 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:41,130 INFO L475 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) [2024-09-24 15:28:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:41,400 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-24 15:28:41,401 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-24 15:28:41,401 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-24 15:28:41,401 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-24 15:28:41,401 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-24 15:28:41,406 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-09-24 15:28:41,410 INFO L312 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-09-24 15:28:41,412 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 15:28:41,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 15:28:41,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 15:28:41,425 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) [2024-09-24 15:28:41,427 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 [2024-09-24 15:28:41,430 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 15:28:41,430 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 15:28:41,430 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60bf9c06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 15:28:41,431 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-24 15:28:41,505 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:41,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:41,506 INFO L85 PathProgramCache]: Analyzing trace with hash -514148601, now seen corresponding path program 1 times [2024-09-24 15:28:41,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:41,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109863589] [2024-09-24 15:28:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:41,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:41,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:41,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:41,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109863589] [2024-09-24 15:28:41,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109863589] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:41,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:41,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 15:28:41,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836240940] [2024-09-24 15:28:41,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:41,647 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 15:28:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:41,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 15:28:41,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 15:28:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:41,650 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:41,650 INFO L475 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) [2024-09-24 15:28:41,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:41,842 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-24 15:28:41,842 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:41,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:41,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1241318646, now seen corresponding path program 1 times [2024-09-24 15:28:41,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:41,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252772914] [2024-09-24 15:28:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:41,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:41,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:41,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252772914] [2024-09-24 15:28:41,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252772914] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:41,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:41,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 15:28:41,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532697533] [2024-09-24 15:28:41,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:41,987 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 15:28:41,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:41,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 15:28:41,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 15:28:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:41,988 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:41,988 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 15:28:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:42,162 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-24 15:28:42,162 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:42,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash 513036747, now seen corresponding path program 1 times [2024-09-24 15:28:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:42,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120521844] [2024-09-24 15:28:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:42,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:42,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:42,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120521844] [2024-09-24 15:28:42,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120521844] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:42,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:42,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 15:28:42,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121763286] [2024-09-24 15:28:42,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:42,544 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 15:28:42,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:42,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 15:28:42,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-24 15:28:42,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:42,545 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:42,545 INFO L475 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) [2024-09-24 15:28:42,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:42,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:42,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:42,890 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-24 15:28:42,891 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:42,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:42,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1686484118, now seen corresponding path program 1 times [2024-09-24 15:28:42,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:42,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588343546] [2024-09-24 15:28:42,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:43,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:43,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588343546] [2024-09-24 15:28:43,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588343546] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:43,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:43,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-24 15:28:43,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797141055] [2024-09-24 15:28:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:43,364 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 15:28:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 15:28:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-09-24 15:28:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:43,365 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:43,365 INFO L475 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) [2024-09-24 15:28:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:43,992 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-24 15:28:43,993 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:43,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:43,993 INFO L85 PathProgramCache]: Analyzing trace with hash -261931154, now seen corresponding path program 1 times [2024-09-24 15:28:43,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:43,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619012078] [2024-09-24 15:28:43,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:43,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:44,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:44,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619012078] [2024-09-24 15:28:44,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619012078] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:44,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:44,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 15:28:44,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028800559] [2024-09-24 15:28:44,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:44,365 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 15:28:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:44,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 15:28:44,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-24 15:28:44,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:44,365 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:44,365 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 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) [2024-09-24 15:28:44,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:44,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:44,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:44,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:44,798 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-24 15:28:44,799 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:44,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:44,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1384813217, now seen corresponding path program 1 times [2024-09-24 15:28:44,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:44,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736529849] [2024-09-24 15:28:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:45,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:45,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736529849] [2024-09-24 15:28:45,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736529849] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:45,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:45,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 15:28:45,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056122939] [2024-09-24 15:28:45,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:45,026 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 15:28:45,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:45,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 15:28:45,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-24 15:28:45,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:45,026 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:45,026 INFO L475 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) [2024-09-24 15:28:45,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:45,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,263 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-24 15:28:45,263 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:45,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash 2132403210, now seen corresponding path program 2 times [2024-09-24 15:28:45,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:45,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008991338] [2024-09-24 15:28:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:45,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:45,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:45,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008991338] [2024-09-24 15:28:45,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008991338] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:45,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:45,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-24 15:28:45,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162557284] [2024-09-24 15:28:45,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:45,819 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 15:28:45,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:45,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 15:28:45,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-09-24 15:28:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:45,819 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:45,819 INFO L475 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) [2024-09-24 15:28:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:45,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:45,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:45,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:45,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:46,127 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-24 15:28:46,128 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:46,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:46,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1660984946, now seen corresponding path program 2 times [2024-09-24 15:28:46,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:46,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009666524] [2024-09-24 15:28:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:46,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:46,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009666524] [2024-09-24 15:28:46,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009666524] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:46,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:46,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-24 15:28:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523009758] [2024-09-24 15:28:46,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:46,894 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 15:28:46,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:46,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 15:28:46,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-09-24 15:28:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:46,895 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:46,895 INFO L475 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) [2024-09-24 15:28:46,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:46,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:46,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:46,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:47,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-24 15:28:47,416 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-24 15:28:47,416 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-24 15:28:47,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1570114384, now seen corresponding path program 3 times [2024-09-24 15:28:47,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:47,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063304388] [2024-09-24 15:28:47,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:47,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:47,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063304388] [2024-09-24 15:28:47,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063304388] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:47,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:47,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-24 15:28:47,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863513441] [2024-09-24 15:28:47,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:47,922 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 15:28:47,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:47,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 15:28:47,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-09-24 15:28:47,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:47,923 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:47,923 INFO L475 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) [2024-09-24 15:28:47,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-24 15:28:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-24 15:28:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:48,211 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-24 15:28:48,212 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-24 15:28:48,212 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-24 15:28:48,212 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-24 15:28:48,212 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-24 15:28:48,212 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-24 15:28:48,214 INFO L408 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2024-09-24 15:28:48,214 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-09-24 15:28:48,215 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 15:28:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 15:28:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 15:28:48,216 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) [2024-09-24 15:28:48,217 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 [2024-09-24 15:28:48,219 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 15:28:48,219 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork1 ======== [2024-09-24 15:28:48,219 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60bf9c06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 15:28:48,219 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-24 15:28:48,304 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:48,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:48,304 INFO L85 PathProgramCache]: Analyzing trace with hash -175553752, now seen corresponding path program 1 times [2024-09-24 15:28:48,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:48,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192515585] [2024-09-24 15:28:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:48,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:48,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192515585] [2024-09-24 15:28:48,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192515585] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:48,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:48,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 15:28:48,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306555114] [2024-09-24 15:28:48,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:48,489 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 15:28:48,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:48,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 15:28:48,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 15:28:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:48,490 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:48,490 INFO L475 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) [2024-09-24 15:28:48,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:48,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:48,683 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-24 15:28:48,683 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:48,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:48,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1093676713, now seen corresponding path program 1 times [2024-09-24 15:28:48,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:48,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305397119] [2024-09-24 15:28:48,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:48,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:48,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305397119] [2024-09-24 15:28:48,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305397119] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:48,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:48,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 15:28:48,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252791022] [2024-09-24 15:28:48,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:48,793 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 15:28:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:48,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 15:28:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 15:28:48,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:48,794 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:48,794 INFO L475 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) [2024-09-24 15:28:48,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:48,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:48,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:48,975 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-24 15:28:48,975 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:48,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:48,975 INFO L85 PathProgramCache]: Analyzing trace with hash -892912404, now seen corresponding path program 1 times [2024-09-24 15:28:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:48,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544929938] [2024-09-24 15:28:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:48,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:49,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:49,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544929938] [2024-09-24 15:28:49,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544929938] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:49,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:49,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 15:28:49,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044404544] [2024-09-24 15:28:49,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:49,282 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 15:28:49,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:49,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 15:28:49,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-24 15:28:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:49,283 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:49,283 INFO L475 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) [2024-09-24 15:28:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:49,471 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-24 15:28:49,471 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:49,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash 572421736, now seen corresponding path program 1 times [2024-09-24 15:28:49,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:49,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312586850] [2024-09-24 15:28:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:49,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:49,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312586850] [2024-09-24 15:28:49,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312586850] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:49,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:49,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 15:28:49,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995735070] [2024-09-24 15:28:49,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:49,584 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 15:28:49,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:49,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 15:28:49,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 15:28:49,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:49,585 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:49,585 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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) [2024-09-24 15:28:49,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:49,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:49,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:49,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:49,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:49,651 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-24 15:28:49,651 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:49,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1910450524, now seen corresponding path program 1 times [2024-09-24 15:28:49,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:49,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968857737] [2024-09-24 15:28:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:50,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:50,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968857737] [2024-09-24 15:28:50,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968857737] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:50,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:50,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 15:28:50,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048740934] [2024-09-24 15:28:50,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:50,060 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 15:28:50,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 15:28:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-24 15:28:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:50,061 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:50,061 INFO L475 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) [2024-09-24 15:28:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,200 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-24 15:28:50,200 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:50,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash 905576335, now seen corresponding path program 1 times [2024-09-24 15:28:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:50,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688289393] [2024-09-24 15:28:50,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:50,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:50,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:50,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688289393] [2024-09-24 15:28:50,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688289393] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:50,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:50,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-24 15:28:50,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692035765] [2024-09-24 15:28:50,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:50,546 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 15:28:50,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:50,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 15:28:50,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-09-24 15:28:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:50,547 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:50,547 INFO L475 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) [2024-09-24 15:28:50,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:50,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:50,948 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-24 15:28:50,948 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:50,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:50,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1118539641, now seen corresponding path program 1 times [2024-09-24 15:28:50,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:50,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489021786] [2024-09-24 15:28:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:51,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:51,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489021786] [2024-09-24 15:28:51,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489021786] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:51,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:51,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 15:28:51,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035383654] [2024-09-24 15:28:51,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:51,116 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 15:28:51,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:51,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 15:28:51,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 15:28:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:51,117 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:51,117 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:51,392 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-24 15:28:51,392 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:51,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 634865896, now seen corresponding path program 1 times [2024-09-24 15:28:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217935296] [2024-09-24 15:28:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:52,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:52,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217935296] [2024-09-24 15:28:52,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217935296] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:52,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:52,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 15:28:52,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988428201] [2024-09-24 15:28:52,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:52,218 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 15:28:52,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 15:28:52,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-24 15:28:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:52,219 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:52,219 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) 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) [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:52,405 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-24 15:28:52,405 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:52,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash 220823750, now seen corresponding path program 1 times [2024-09-24 15:28:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:52,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139901917] [2024-09-24 15:28:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:52,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:52,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:52,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139901917] [2024-09-24 15:28:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139901917] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:52,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:52,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 15:28:52,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680311619] [2024-09-24 15:28:52,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:52,839 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 15:28:52,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:52,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 15:28:52,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-09-24 15:28:52,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:52,839 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:52,839 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 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) [2024-09-24 15:28:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:52,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:52,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:52,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:52,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:53,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:53,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,074 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-24 15:28:53,074 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:53,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:53,075 INFO L85 PathProgramCache]: Analyzing trace with hash -198569638, now seen corresponding path program 1 times [2024-09-24 15:28:53,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:53,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038914314] [2024-09-24 15:28:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:53,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:53,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038914314] [2024-09-24 15:28:53,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038914314] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:53,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:53,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 15:28:53,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970271894] [2024-09-24 15:28:53,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:53,229 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 15:28:53,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:53,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 15:28:53,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 15:28:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:53,230 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:53,230 INFO L475 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) [2024-09-24 15:28:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,482 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-24 15:28:53,482 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:53,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:53,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1417681128, now seen corresponding path program 1 times [2024-09-24 15:28:53,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:53,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593572434] [2024-09-24 15:28:53,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:53,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:53,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:53,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593572434] [2024-09-24 15:28:53,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593572434] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:53,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:53,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 15:28:53,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527370235] [2024-09-24 15:28:53,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:53,729 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 15:28:53,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:53,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 15:28:53,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-24 15:28:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:53,730 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:53,730 INFO L475 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) [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:53,932 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-09-24 15:28:53,932 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:53,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:53,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1723397359, now seen corresponding path program 2 times [2024-09-24 15:28:53,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:53,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956225821] [2024-09-24 15:28:53,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:53,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:54,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956225821] [2024-09-24 15:28:54,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956225821] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:54,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:54,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-24 15:28:54,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433070532] [2024-09-24 15:28:54,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:54,280 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 15:28:54,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:54,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 15:28:54,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-24 15:28:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:54,280 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:54,280 INFO L475 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) [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:54,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:54,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:54,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:54,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:54,560 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-09-24 15:28:54,560 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:54,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:54,561 INFO L85 PathProgramCache]: Analyzing trace with hash -886877853, now seen corresponding path program 1 times [2024-09-24 15:28:54,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:54,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914437328] [2024-09-24 15:28:54,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:54,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:55,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914437328] [2024-09-24 15:28:55,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914437328] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:55,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:55,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-24 15:28:55,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469420900] [2024-09-24 15:28:55,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:55,018 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 15:28:55,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:55,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 15:28:55,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-09-24 15:28:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:55,019 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:55,019 INFO L475 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) [2024-09-24 15:28:55,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:55,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:55,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:55,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:55,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:55,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:55,312 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-24 15:28:55,312 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:55,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash -887117824, now seen corresponding path program 2 times [2024-09-24 15:28:55,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:55,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940672739] [2024-09-24 15:28:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:55,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:56,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:56,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940672739] [2024-09-24 15:28:56,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940672739] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:56,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:56,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-24 15:28:56,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845918833] [2024-09-24 15:28:56,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:56,153 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 15:28:56,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:56,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 15:28:56,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-24 15:28:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:56,153 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:56,153 INFO L475 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) [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,372 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-24 15:28:56,372 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 15:28:56,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 15:28:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1417681343, now seen corresponding path program 1 times [2024-09-24 15:28:56,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 15:28:56,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074485080] [2024-09-24 15:28:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 15:28:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 15:28:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 15:28:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 15:28:56,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 15:28:56,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074485080] [2024-09-24 15:28:56,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074485080] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 15:28:56,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 15:28:56,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 15:28:56,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826544753] [2024-09-24 15:28:56,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 15:28:56,661 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 15:28:56,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 15:28:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 15:28:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-09-24 15:28:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:56,662 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 15:28:56,662 INFO L475 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) [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 15:28:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 15:28:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 15:28:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 15:28:56,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 15:28:56,896 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-24 15:28:56,896 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-24 15:28:56,896 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-24 15:28:56,896 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-24 15:28:56,896 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-09-24 15:28:56,899 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-24 15:28:56,899 INFO L312 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (3/3) [2024-09-24 15:28:56,900 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 15:28:56,900 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 15:28:56,902 INFO L469 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-09-24 15:28:56,902 INFO L470 ceAbstractionStarter]: WitnessConsidered=11 [2024-09-24 15:28:56,903 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:28:56 BasicIcfg [2024-09-24 15:28:56,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 15:28:56,903 INFO L158 Benchmark]: Toolchain (without parser) took 22569.85ms. Allocated memory was 195.0MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 118.6MB in the beginning and 954.2MB in the end (delta: -835.6MB). Peak memory consumption was 583.3MB. Max. memory is 16.1GB. [2024-09-24 15:28:56,903 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 15:28:56,903 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 15:28:56,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.57ms. Allocated memory is still 195.0MB. Free memory was 118.5MB in the beginning and 130.5MB in the end (delta: -12.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-24 15:28:56,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.38ms. Allocated memory is still 195.0MB. Free memory was 130.5MB in the beginning and 127.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-24 15:28:56,903 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 195.0MB. Free memory was 127.6MB in the beginning and 125.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 15:28:56,904 INFO L158 Benchmark]: RCFGBuilder took 660.85ms. Allocated memory is still 195.0MB. Free memory was 125.3MB in the beginning and 141.0MB in the end (delta: -15.7MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-24 15:28:56,904 INFO L158 Benchmark]: TraceAbstraction took 21260.63ms. Allocated memory was 195.0MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 139.9MB in the beginning and 954.2MB in the end (delta: -814.3MB). Peak memory consumption was 603.4MB. Max. memory is 16.1GB. [2024-09-24 15:28:56,908 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.57ms. Allocated memory is still 195.0MB. Free memory was 118.5MB in the beginning and 130.5MB in the end (delta: -12.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.38ms. Allocated memory is still 195.0MB. Free memory was 130.5MB in the beginning and 127.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 195.0MB. Free memory was 127.6MB in the beginning and 125.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.85ms. Allocated memory is still 195.0MB. Free memory was 125.3MB in the beginning and 141.0MB in the end (delta: -15.7MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21260.63ms. Allocated memory was 195.0MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 139.9MB in the beginning and 954.2MB in the end (delta: -814.3MB). Peak memory consumption was 603.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1779, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 240, dependent conditional: 226, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1576, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 37, dependent conditional: 23, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1576, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 37, dependent conditional: 23, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1665, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 126, dependent conditional: 112, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1665, independent: 1539, independent conditional: 24, independent unconditional: 1515, dependent: 126, dependent conditional: 62, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1665, independent: 1539, independent conditional: 24, independent unconditional: 1515, dependent: 126, dependent conditional: 62, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 570, independent: 545, independent conditional: 11, independent unconditional: 534, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 570, independent: 351, independent conditional: 0, independent unconditional: 351, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 219, independent: 194, independent conditional: 11, independent unconditional: 183, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 219, independent: 194, independent conditional: 11, independent unconditional: 183, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1514, independent: 1175, independent conditional: 47, independent unconditional: 1128, dependent: 338, dependent conditional: 220, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1665, independent: 994, independent conditional: 13, independent unconditional: 981, dependent: 101, dependent conditional: 51, dependent unconditional: 50, unknown: 570, unknown conditional: 22, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 570, Positive cache size: 545, Positive conditional cache size: 11, Positive unconditional cache size: 534, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1031, Maximal queried relation: 4, Independence queries for same thread: 203, Persistent sets #1 benchmarks: Persistent set computation time: 1.3s, Number of persistent set computation: 81, Number of trivial persistent sets: 55, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 548, independent: 534, independent conditional: 0, independent unconditional: 534, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1779, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 240, dependent conditional: 226, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1576, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 37, dependent conditional: 23, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1576, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 37, dependent conditional: 23, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1665, independent: 1539, independent conditional: 1005, independent unconditional: 534, dependent: 126, dependent conditional: 112, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1665, independent: 1539, independent conditional: 24, independent unconditional: 1515, dependent: 126, dependent conditional: 62, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1665, independent: 1539, independent conditional: 24, independent unconditional: 1515, dependent: 126, dependent conditional: 62, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 570, independent: 545, independent conditional: 11, independent unconditional: 534, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 570, independent: 351, independent conditional: 0, independent unconditional: 351, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 219, independent: 194, independent conditional: 11, independent unconditional: 183, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 219, independent: 194, independent conditional: 11, independent unconditional: 183, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1514, independent: 1175, independent conditional: 47, independent unconditional: 1128, dependent: 338, dependent conditional: 220, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1665, independent: 994, independent conditional: 13, independent unconditional: 981, dependent: 101, dependent conditional: 51, dependent unconditional: 50, unknown: 570, unknown conditional: 22, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 570, Positive cache size: 545, Positive conditional cache size: 11, Positive unconditional cache size: 534, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1031, Maximal queried relation: 4, Independence queries for same thread: 203 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7385, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 1475, dependent conditional: 1460, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6127, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 217, dependent conditional: 202, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6127, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 217, dependent conditional: 202, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6730, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 820, dependent conditional: 805, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6730, independent: 5910, independent conditional: 30, independent unconditional: 5880, dependent: 820, dependent conditional: 569, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6730, independent: 5910, independent conditional: 30, independent unconditional: 5880, dependent: 820, dependent conditional: 569, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 655, independent: 590, independent conditional: 11, independent unconditional: 579, dependent: 65, dependent conditional: 50, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 655, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 271, dependent conditional: 0, dependent unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 271, independent: 206, independent conditional: 11, independent unconditional: 195, dependent: 65, dependent conditional: 50, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 271, independent: 206, independent conditional: 11, independent unconditional: 195, dependent: 65, dependent conditional: 50, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1479, independent: 865, independent conditional: 42, independent unconditional: 823, dependent: 614, dependent conditional: 510, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6730, independent: 5320, independent conditional: 19, independent unconditional: 5301, dependent: 755, dependent conditional: 519, dependent unconditional: 236, unknown: 655, unknown conditional: 61, unknown unconditional: 594] , Statistics on independence cache: Total cache size (in pairs): 655, Positive cache size: 590, Positive conditional cache size: 11, Positive unconditional cache size: 579, Negative cache size: 65, Negative conditional cache size: 50, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5537, Maximal queried relation: 6, Independence queries for same thread: 1258, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 226, Number of trivial persistent sets: 116, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 594, independent: 579, independent conditional: 0, independent unconditional: 579, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7385, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 1475, dependent conditional: 1460, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6127, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 217, dependent conditional: 202, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6127, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 217, dependent conditional: 202, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6730, independent: 5910, independent conditional: 5331, independent unconditional: 579, dependent: 820, dependent conditional: 805, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6730, independent: 5910, independent conditional: 30, independent unconditional: 5880, dependent: 820, dependent conditional: 569, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6730, independent: 5910, independent conditional: 30, independent unconditional: 5880, dependent: 820, dependent conditional: 569, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 655, independent: 590, independent conditional: 11, independent unconditional: 579, dependent: 65, dependent conditional: 50, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 655, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 271, dependent conditional: 0, dependent unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 271, independent: 206, independent conditional: 11, independent unconditional: 195, dependent: 65, dependent conditional: 50, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 271, independent: 206, independent conditional: 11, independent unconditional: 195, dependent: 65, dependent conditional: 50, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1479, independent: 865, independent conditional: 42, independent unconditional: 823, dependent: 614, dependent conditional: 510, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6730, independent: 5320, independent conditional: 19, independent unconditional: 5301, dependent: 755, dependent conditional: 519, dependent unconditional: 236, unknown: 655, unknown conditional: 61, unknown unconditional: 594] , Statistics on independence cache: Total cache size (in pairs): 655, Positive cache size: 590, Positive conditional cache size: 11, Positive unconditional cache size: 579, Negative cache size: 65, Negative conditional cache size: 50, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5537, Maximal queried relation: 6, Independence queries for same thread: 1258 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3794, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 809, dependent conditional: 796, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3038, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 53, dependent conditional: 40, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3038, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 53, dependent conditional: 40, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3319, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 334, dependent conditional: 321, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3319, independent: 2985, independent conditional: 19, independent unconditional: 2966, dependent: 334, dependent conditional: 262, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3319, independent: 2985, independent conditional: 19, independent unconditional: 2966, dependent: 334, dependent conditional: 262, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 607, independent: 565, independent conditional: 12, independent unconditional: 553, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 607, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 227, dependent conditional: 0, dependent unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 227, independent: 185, independent conditional: 12, independent unconditional: 173, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 227, independent: 185, independent conditional: 12, independent unconditional: 173, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1373, independent: 800, independent conditional: 32, independent unconditional: 768, dependent: 573, dependent conditional: 486, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3319, independent: 2420, independent conditional: 7, independent unconditional: 2413, dependent: 292, dependent conditional: 233, dependent unconditional: 59, unknown: 607, unknown conditional: 41, unknown unconditional: 566] , Statistics on independence cache: Total cache size (in pairs): 607, Positive cache size: 565, Positive conditional cache size: 12, Positive unconditional cache size: 553, Negative cache size: 42, Negative conditional cache size: 29, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2472, Maximal queried relation: 10, Independence queries for same thread: 756, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 135, Number of trivial persistent sets: 135, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 566, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3794, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 809, dependent conditional: 796, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3038, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 53, dependent conditional: 40, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3038, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 53, dependent conditional: 40, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3319, independent: 2985, independent conditional: 2432, independent unconditional: 553, dependent: 334, dependent conditional: 321, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3319, independent: 2985, independent conditional: 19, independent unconditional: 2966, dependent: 334, dependent conditional: 262, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3319, independent: 2985, independent conditional: 19, independent unconditional: 2966, dependent: 334, dependent conditional: 262, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 607, independent: 565, independent conditional: 12, independent unconditional: 553, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 607, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 227, dependent conditional: 0, dependent unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 227, independent: 185, independent conditional: 12, independent unconditional: 173, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 227, independent: 185, independent conditional: 12, independent unconditional: 173, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1373, independent: 800, independent conditional: 32, independent unconditional: 768, dependent: 573, dependent conditional: 486, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3319, independent: 2420, independent conditional: 7, independent unconditional: 2413, dependent: 292, dependent conditional: 233, dependent unconditional: 59, unknown: 607, unknown conditional: 41, unknown unconditional: 566] , Statistics on independence cache: Total cache size (in pairs): 607, Positive cache size: 565, Positive conditional cache size: 12, Positive unconditional cache size: 553, Negative cache size: 42, Negative conditional cache size: 29, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2472, Maximal queried relation: 10, Independence queries for same thread: 756 - PositiveResult [Line: 764]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 767]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 783]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 790]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 810]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 814]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 821]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 736]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 747]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 757]: 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 60 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.3s, 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: 30, 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, 2.9s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 60 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 9, 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: 51, 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, 0.0s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 3562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: P0Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 60 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.4s, 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: 85, 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, 5.1s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 4679 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 15:28:56,932 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 [2024-09-24 15:28:57,132 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 [2024-09-24 15:28:57,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-24 15:28:57,533 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