./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-local/rfi000_tso.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/rfi000_tso.i ./goblint.2024-09-02_08-21-23.files/protection-local/rfi000_tso.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-24 08:39:47,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 08:39:47,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 08:39:47,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 08:39:47,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 08:39:47,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 08:39:47,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 08:39:47,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 08:39:47,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 08:39:47,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 08:39:47,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 08:39:47,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 08:39:47,371 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 08:39:47,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 08:39:47,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 08:39:47,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 08:39:47,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 08:39:47,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 08:39:47,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 08:39:47,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 08:39:47,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 08:39:47,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 08:39:47,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 08:39:47,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 08:39:47,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 08:39:47,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 08:39:47,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 08:39:47,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 08:39:47,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 08:39:47,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 08:39:47,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 08:39:47,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 08:39:47,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 08:39:47,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 08:39:47,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 08:39:47,379 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 08:39:47,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 08:39:47,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 08:39:47,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 08:39:47,380 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 08:39:47,382 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 08:39:47,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-24 08:39:47,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 08:39:47,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 08:39:47,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 08:39:47,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 08:39:47,688 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 08:39:47,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-09-24 08:39:49,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 08:39:49,411 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 08:39:49,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-09-24 08:39:49,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/90c01683e/61d01983a6034504ba972939aa35a0c6/FLAG0085d3f47 [2024-09-24 08:39:49,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/90c01683e/61d01983a6034504ba972939aa35a0c6 [2024-09-24 08:39:49,453 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 08:39:49,454 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 08:39:49,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-local/rfi000_tso.yml/witness.yml [2024-09-24 08:39:49,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 08:39:49,622 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 08:39:49,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 08:39:49,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 08:39:49,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 08:39:49,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:39:49" (1/2) ... [2024-09-24 08:39:49,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b616406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:39:49, skipping insertion in model container [2024-09-24 08:39:49,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:39:49" (1/2) ... [2024-09-24 08:39:49,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43f39337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:39:49, skipping insertion in model container [2024-09-24 08:39:49,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 08:39:49" (2/2) ... [2024-09-24 08:39:49,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b616406 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 08:39:49, skipping insertion in model container [2024-09-24 08:39:49,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 08:39:49" (2/2) ... [2024-09-24 08:39:49,810 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 08:39:49,813 INFO L1541 ArrayList]: Location invariant before [L804-L804] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,814 INFO L1541 ArrayList]: Location invariant before [L761-L761] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,814 INFO L1541 ArrayList]: Location invariant before [L741-L741] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,814 INFO L1541 ArrayList]: Location invariant before [L835-L835] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,814 INFO L1541 ArrayList]: Location invariant before [L751-L751] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,814 INFO L1541 ArrayList]: Location invariant before [L744-L744] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,814 INFO L1541 ArrayList]: Location invariant before [L772-L772] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,815 INFO L1541 ArrayList]: Location invariant before [L758-L758] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,815 INFO L1541 ArrayList]: Location invariant before [L788-L788] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,815 INFO L1541 ArrayList]: Location invariant before [L738-L738] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,816 INFO L1541 ArrayList]: Location invariant before [L831-L831] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,816 INFO L1541 ArrayList]: Location invariant before [L842-L842] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,816 INFO L1541 ArrayList]: Location invariant before [L811-L811] ((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-24 08:39:49,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 08:39:50,070 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2024-09-24 08:39:50,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 08:39:50,279 INFO L200 MainTranslator]: Completed pre-run [2024-09-24 08:39:50,291 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-24 08:39:50,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 08:39:50,450 INFO L204 MainTranslator]: Completed translation [2024-09-24 08:39:50,451 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 08:39:50 WrapperNode [2024-09-24 08:39:50,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 08:39:50,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 08:39:50,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 08:39:50,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 08:39:50,458 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,489 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,531 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 185 [2024-09-24 08:39:50,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 08:39:50,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 08:39:50,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 08:39:50,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 08:39:50,543 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,543 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,547 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,548 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,566 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,568 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,571 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,573 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 08:39:50,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 08:39:50,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 08:39:50,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 08:39:50,587 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 08:39:50" (1/1) ... [2024-09-24 08:39:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 08:39:50,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 08:39:50,621 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 08:39:50,626 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 08:39:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-24 08:39:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 08:39:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-24 08:39:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-24 08:39:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-24 08:39:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-24 08:39:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 08:39:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-24 08:39:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 08:39:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 08:39:50,668 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 08:39:50,788 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 08:39:50,790 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 08:39:51,287 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 08:39:51,287 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 08:39:51,728 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 08:39:51,730 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-24 08:39:51,731 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:39:51 BoogieIcfgContainer [2024-09-24 08:39:51,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 08:39:51,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 08:39:51,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 08:39:51,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 08:39:51,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:39:49" (1/4) ... [2024-09-24 08:39:51,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c00770a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:39:51, skipping insertion in model container [2024-09-24 08:39:51,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 08:39:49" (2/4) ... [2024-09-24 08:39:51,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c00770a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 08:39:51, skipping insertion in model container [2024-09-24 08:39:51,740 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 08:39:50" (3/4) ... [2024-09-24 08:39:51,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c00770a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 08:39:51, skipping insertion in model container [2024-09-24 08:39:51,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:39:51" (4/4) ... [2024-09-24 08:39:51,742 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-09-24 08:39:51,760 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 08:39:51,761 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-09-24 08:39:51,761 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 08:39:51,864 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-24 08:39:51,909 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 08:39:51,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 08:39:51,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 08:39:51,912 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 08:39:51,914 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 08:39:51,946 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 08:39:51,959 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 08:39:51,968 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;@57c1fb80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 08:39:51,969 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-24 08:39:52,251 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:52,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:52,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1753985184, now seen corresponding path program 1 times [2024-09-24 08:39:52,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:52,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290640932] [2024-09-24 08:39:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:39:53,350 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 08:39:53,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:39:53,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290640932] [2024-09-24 08:39:53,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290640932] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:39:53,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:39:53,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 08:39:53,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30788725] [2024-09-24 08:39:53,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:39:53,358 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:39:53,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:39:53,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:39:53,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:39:53,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:53,387 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:39:53,388 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 08:39:53,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:53,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:53,769 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 08:39:53,769 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:53,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:53,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1461115400, now seen corresponding path program 1 times [2024-09-24 08:39:53,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:53,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554721107] [2024-09-24 08:39:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:39:54,069 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 08:39:54,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:39:54,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554721107] [2024-09-24 08:39:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554721107] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:39:54,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:39:54,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:39:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739370390] [2024-09-24 08:39:54,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:39:54,073 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:39:54,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:39:54,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:39:54,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:39:54,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:54,075 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:39:54,076 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 08:39:54,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:54,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:54,128 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 08:39:54,129 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:54,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1461116361, now seen corresponding path program 1 times [2024-09-24 08:39:54,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:54,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891230028] [2024-09-24 08:39:54,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:39:54,507 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 08:39:54,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:39:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891230028] [2024-09-24 08:39:54,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891230028] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:39:54,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:39:54,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:39:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219995407] [2024-09-24 08:39:54,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:39:54,509 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 08:39:54,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:39:54,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 08:39:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 08:39:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:54,510 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:39:54,510 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:39:54,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:54,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:54,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:54,798 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-24 08:39:54,799 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:54,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:54,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1202931849, now seen corresponding path program 1 times [2024-09-24 08:39:54,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:54,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058316263] [2024-09-24 08:39:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:54,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:39:55,098 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 08:39:55,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:39:55,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058316263] [2024-09-24 08:39:55,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058316263] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:39:55,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:39:55,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 08:39:55,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68527250] [2024-09-24 08:39:55,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:39:55,102 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 08:39:55,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:39:55,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 08:39:55,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 08:39:55,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:55,103 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:39:55,104 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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 08:39:55,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:55,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:55,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:55,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:55,725 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-24 08:39:55,725 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:55,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:55,726 INFO L85 PathProgramCache]: Analyzing trace with hash -318788501, now seen corresponding path program 1 times [2024-09-24 08:39:55,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:55,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108697875] [2024-09-24 08:39:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:39:56,667 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 08:39:56,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:39:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108697875] [2024-09-24 08:39:56,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108697875] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:39:56,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:39:56,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 08:39:56,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084176198] [2024-09-24 08:39:56,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:39:56,670 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 08:39:56,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:39:56,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 08:39:56,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-24 08:39:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:56,671 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:39:56,671 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 08:39:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:56,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:39:56,998 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-24 08:39:56,999 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:56,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1292420956, now seen corresponding path program 1 times [2024-09-24 08:39:56,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:56,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929448742] [2024-09-24 08:39:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:39:58,805 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 08:39:58,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:39:58,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929448742] [2024-09-24 08:39:58,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929448742] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:39:58,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:39:58,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 08:39:58,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966197653] [2024-09-24 08:39:58,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:39:58,807 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 08:39:58,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:39:58,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 08:39:58,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-24 08:39:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:58,808 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:39:58,808 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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 08:39:58,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:58,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:58,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:58,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:58,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:39:58,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:39:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:39:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:39:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:39:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:39:59,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:39:59,323 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-24 08:39:59,323 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:39:59,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:39:59,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1410254067, now seen corresponding path program 1 times [2024-09-24 08:39:59,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:39:59,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45307571] [2024-09-24 08:39:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:39:59,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:39:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:00,312 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 08:40:00,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:00,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45307571] [2024-09-24 08:40:00,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45307571] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:00,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:00,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 08:40:00,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173808905] [2024-09-24 08:40:00,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:00,314 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 08:40:00,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:00,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 08:40:00,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-09-24 08:40:00,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:00,316 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:00,316 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 08:40:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:00,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:00,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:00,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:00,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:00,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:00,601 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-24 08:40:00,602 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:00,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:00,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1839655628, now seen corresponding path program 1 times [2024-09-24 08:40:00,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:00,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744980154] [2024-09-24 08:40:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:00,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:00,955 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 08:40:00,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:00,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744980154] [2024-09-24 08:40:00,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744980154] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:00,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:00,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 08:40:00,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285800955] [2024-09-24 08:40:00,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:00,957 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 08:40:00,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:00,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 08:40:00,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 08:40:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:00,959 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:00,959 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:00,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:00,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:00,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:00,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:00,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:00,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:00,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:00,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:01,531 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-24 08:40:01,531 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:01,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash -832430887, now seen corresponding path program 1 times [2024-09-24 08:40:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:01,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166389000] [2024-09-24 08:40:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:03,100 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 08:40:03,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:03,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166389000] [2024-09-24 08:40:03,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166389000] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:03,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:03,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-24 08:40:03,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641034617] [2024-09-24 08:40:03,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:03,102 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-24 08:40:03,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:03,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-24 08:40:03,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-09-24 08:40:03,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:03,103 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:03,104 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:03,292 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-24 08:40:03,293 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:03,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:03,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1690645840, now seen corresponding path program 1 times [2024-09-24 08:40:03,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:03,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460518429] [2024-09-24 08:40:03,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:03,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:03,768 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 08:40:03,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:03,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460518429] [2024-09-24 08:40:03,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460518429] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:03,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:03,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 08:40:03,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033428690] [2024-09-24 08:40:03,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:03,770 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 08:40:03,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:03,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 08:40:03,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-24 08:40:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:03,771 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:03,771 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:03,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:04,353 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-24 08:40:04,353 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:04,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash -813400047, now seen corresponding path program 2 times [2024-09-24 08:40:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851988353] [2024-09-24 08:40:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:05,583 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 08:40:05,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:05,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851988353] [2024-09-24 08:40:05,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851988353] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:05,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:05,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-24 08:40:05,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691123014] [2024-09-24 08:40:05,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:05,584 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-24 08:40:05,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:05,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-24 08:40:05,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-09-24 08:40:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:05,586 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:05,586 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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 08:40:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:06,325 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-24 08:40:06,325 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:06,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:06,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1841151935, now seen corresponding path program 3 times [2024-09-24 08:40:06,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:06,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326509915] [2024-09-24 08:40:06,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:07,315 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 08:40:07,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:07,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326509915] [2024-09-24 08:40:07,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326509915] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:07,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:07,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-24 08:40:07,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521887047] [2024-09-24 08:40:07,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:07,316 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-24 08:40:07,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:07,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-24 08:40:07,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-09-24 08:40:07,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:07,317 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:07,317 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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 08:40:07,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:07,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:08,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:08,253 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-24 08:40:08,253 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:08,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:08,254 INFO L85 PathProgramCache]: Analyzing trace with hash 815702925, now seen corresponding path program 4 times [2024-09-24 08:40:08,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:08,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233586134] [2024-09-24 08:40:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:09,155 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 08:40:09,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:09,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233586134] [2024-09-24 08:40:09,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233586134] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:09,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:09,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-24 08:40:09,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278588626] [2024-09-24 08:40:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:09,157 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 08:40:09,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 08:40:09,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-09-24 08:40:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:09,157 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:09,158 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:09,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:10,174 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-24 08:40:10,174 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:10,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:10,174 INFO L85 PathProgramCache]: Analyzing trace with hash 144809060, now seen corresponding path program 2 times [2024-09-24 08:40:10,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:10,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895161254] [2024-09-24 08:40:10,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:10,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:13,149 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 08:40:13,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:13,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895161254] [2024-09-24 08:40:13,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895161254] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:13,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:13,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-24 08:40:13,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079681377] [2024-09-24 08:40:13,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:13,150 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-24 08:40:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:13,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-24 08:40:13,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-09-24 08:40:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:13,151 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:13,151 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:13,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:13,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:13,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:13,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:13,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-24 08:40:14,160 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-24 08:40:14,160 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-24 08:40:14,160 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-24 08:40:14,161 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-09-24 08:40:14,161 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-24 08:40:14,161 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-24 08:40:14,161 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-24 08:40:14,167 INFO L408 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-24 08:40:14,172 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-09-24 08:40:14,175 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 08:40:14,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 08:40:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 08:40:14,179 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 08:40:14,181 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 08:40:14,183 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 08:40:14,184 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork1 ======== [2024-09-24 08:40:14,185 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;@57c1fb80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 08:40:14,185 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-24 08:40:14,293 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:14,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2066627357, now seen corresponding path program 1 times [2024-09-24 08:40:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:14,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111290710] [2024-09-24 08:40:14,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:14,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:14,490 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 08:40:14,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:14,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111290710] [2024-09-24 08:40:14,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111290710] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:14,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:14,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 08:40:14,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194638752] [2024-09-24 08:40:14,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:14,491 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 08:40:14,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:14,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 08:40:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 08:40:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:14,492 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:14,492 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 08:40:14,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:14,694 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-24 08:40:14,694 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:14,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash 359061899, now seen corresponding path program 1 times [2024-09-24 08:40:14,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:14,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093085601] [2024-09-24 08:40:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:14,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:14,828 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 08:40:14,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:14,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093085601] [2024-09-24 08:40:14,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093085601] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:14,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:14,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 08:40:14,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593065659] [2024-09-24 08:40:14,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:14,830 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:40:14,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:14,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:40:14,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:40:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:14,831 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:14,831 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 08:40:14,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:14,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:14,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:14,855 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-24 08:40:14,855 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err2ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:14,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash 359061900, now seen corresponding path program 1 times [2024-09-24 08:40:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:14,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118581757] [2024-09-24 08:40:14,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:14,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:14,916 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 08:40:14,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:14,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118581757] [2024-09-24 08:40:14,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118581757] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:14,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:14,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 08:40:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053214047] [2024-09-24 08:40:14,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:14,917 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 08:40:14,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:14,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 08:40:14,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 08:40:14,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:14,917 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:14,918 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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 08:40:14,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:14,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:14,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:15,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:15,222 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-24 08:40:15,222 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:15,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:15,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1753982459, now seen corresponding path program 1 times [2024-09-24 08:40:15,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:15,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367143441] [2024-09-24 08:40:15,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:15,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:15,452 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 08:40:15,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:15,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367143441] [2024-09-24 08:40:15,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367143441] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:15,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:15,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:40:15,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336371130] [2024-09-24 08:40:15,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:15,453 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 08:40:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:15,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 08:40:15,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 08:40:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:15,454 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:15,454 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:15,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:15,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:15,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:15,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:15,705 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-24 08:40:15,705 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:15,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1461119150, now seen corresponding path program 1 times [2024-09-24 08:40:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:15,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922915170] [2024-09-24 08:40:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:16,134 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 08:40:16,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:16,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922915170] [2024-09-24 08:40:16,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922915170] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:16,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:16,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 08:40:16,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603376971] [2024-09-24 08:40:16,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:16,136 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 08:40:16,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:16,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 08:40:16,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-24 08:40:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:16,137 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:16,137 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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 08:40:16,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:16,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:16,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:16,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:16,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:16,339 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-24 08:40:16,339 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:16,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1949946073, now seen corresponding path program 1 times [2024-09-24 08:40:16,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:16,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495323011] [2024-09-24 08:40:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:16,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:17,198 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 08:40:17,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:17,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495323011] [2024-09-24 08:40:17,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495323011] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:17,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:17,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 08:40:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144339022] [2024-09-24 08:40:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:17,200 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 08:40:17,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 08:40:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-24 08:40:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:17,202 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:17,202 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 08:40:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:17,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:17,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:17,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:17,377 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-24 08:40:17,377 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:17,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:17,377 INFO L85 PathProgramCache]: Analyzing trace with hash -318785584, now seen corresponding path program 1 times [2024-09-24 08:40:17,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:17,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589524685] [2024-09-24 08:40:17,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:17,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:18,369 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 08:40:18,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:18,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589524685] [2024-09-24 08:40:18,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589524685] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:18,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:18,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 08:40:18,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530800149] [2024-09-24 08:40:18,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:18,370 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 08:40:18,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:18,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 08:40:18,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-24 08:40:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:18,371 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:18,371 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 08:40:18,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:18,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:18,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:18,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:18,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:18,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:18,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:19,972 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-24 08:40:19,972 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:19,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:19,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1064247715, now seen corresponding path program 1 times [2024-09-24 08:40:19,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:19,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87335361] [2024-09-24 08:40:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:19,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:21,006 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 08:40:21,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87335361] [2024-09-24 08:40:21,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87335361] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:21,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:21,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-24 08:40:21,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843825550] [2024-09-24 08:40:21,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:21,007 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-24 08:40:21,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:21,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-24 08:40:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-09-24 08:40:21,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:21,008 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:21,008 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:21,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:22,252 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-24 08:40:22,252 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:22,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash 760327183, now seen corresponding path program 2 times [2024-09-24 08:40:22,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:22,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570061791] [2024-09-24 08:40:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:22,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:23,870 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 08:40:23,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:23,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570061791] [2024-09-24 08:40:23,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570061791] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:23,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:23,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-24 08:40:23,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282210484] [2024-09-24 08:40:23,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:23,872 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 08:40:23,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:23,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 08:40:23,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-09-24 08:40:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:23,872 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:23,872 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 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:25,946 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-24 08:40:25,947 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:25,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1688481309, now seen corresponding path program 3 times [2024-09-24 08:40:25,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:25,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388943339] [2024-09-24 08:40:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:25,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:26,702 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 08:40:26,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:26,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388943339] [2024-09-24 08:40:26,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388943339] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:26,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:26,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 08:40:26,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38013286] [2024-09-24 08:40:26,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:26,703 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 08:40:26,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:26,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 08:40:26,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-09-24 08:40:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:26,703 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:26,703 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:26,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:27,989 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-24 08:40:27,990 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:27,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:27,990 INFO L85 PathProgramCache]: Analyzing trace with hash 790951312, now seen corresponding path program 1 times [2024-09-24 08:40:27,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:27,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342172762] [2024-09-24 08:40:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:28,410 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 08:40:28,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:28,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342172762] [2024-09-24 08:40:28,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342172762] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:28,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:28,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 08:40:28,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423889386] [2024-09-24 08:40:28,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:28,411 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 08:40:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:28,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 08:40:28,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-09-24 08:40:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:28,412 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:28,412 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,729 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-24 08:40:28,730 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:28,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:28,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1250312544, now seen corresponding path program 1 times [2024-09-24 08:40:28,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:28,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821337471] [2024-09-24 08:40:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 08:40:28,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:28,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821337471] [2024-09-24 08:40:28,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821337471] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:28,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:28,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:40:28,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165947140] [2024-09-24 08:40:28,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:28,835 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:40:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:28,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:40:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:40:28,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:28,836 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:28,836 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:28,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:28,926 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-09-24 08:40:28,926 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:28,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:28,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1393090253, now seen corresponding path program 1 times [2024-09-24 08:40:28,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:28,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317573233] [2024-09-24 08:40:28,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:28,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:29,235 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 08:40:29,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:29,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317573233] [2024-09-24 08:40:29,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317573233] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:29,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:29,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 08:40:29,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222709951] [2024-09-24 08:40:29,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:29,236 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 08:40:29,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:29,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 08:40:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-09-24 08:40:29,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:29,237 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:29,237 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:29,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:29,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:29,417 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-09-24 08:40:29,417 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:29,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash -236124352, now seen corresponding path program 1 times [2024-09-24 08:40:29,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:29,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762615805] [2024-09-24 08:40:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:29,938 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 08:40:29,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:29,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762615805] [2024-09-24 08:40:29,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762615805] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:29,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:29,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 08:40:29,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780261147] [2024-09-24 08:40:29,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:29,939 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 08:40:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:29,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 08:40:29,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-09-24 08:40:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:29,940 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:29,940 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 08:40:29,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:29,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:29,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:29,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:30,124 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-24 08:40:30,124 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONERROR_FUNCTION, P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-24 08:40:30,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:30,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1270080213, now seen corresponding path program 1 times [2024-09-24 08:40:30,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:30,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137516101] [2024-09-24 08:40:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:30,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:30,984 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 08:40:30,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:30,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137516101] [2024-09-24 08:40:30,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137516101] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:30,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:30,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 08:40:30,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456935128] [2024-09-24 08:40:30,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:30,985 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 08:40:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 08:40:30,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-24 08:40:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:30,985 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:30,985 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 08:40:30,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:30,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:30,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 08:40:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:31,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:31,458 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-09-24 08:40:31,458 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-24 08:40:31,458 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-09-24 08:40:31,458 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-24 08:40:31,458 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 7 remaining) [2024-09-24 08:40:31,458 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 7 remaining) [2024-09-24 08:40:31,459 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 7 remaining) [2024-09-24 08:40:31,459 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-24 08:40:31,460 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-24 08:40:31,460 INFO L312 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-09-24 08:40:31,464 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 08:40:31,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 08:40:31,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 08:40:31,466 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 08:40:31,467 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 08:40:31,471 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 08:40:31,471 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork0 ======== [2024-09-24 08:40:31,471 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;@57c1fb80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 08:40:31,472 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-24 08:40:31,636 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:31,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:31,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1952566367, now seen corresponding path program 1 times [2024-09-24 08:40:31,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:31,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833934121] [2024-09-24 08:40:31,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:31,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:31,939 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 08:40:31,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:31,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833934121] [2024-09-24 08:40:31,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833934121] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:31,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:31,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:40:31,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640051397] [2024-09-24 08:40:31,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:31,941 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:40:31,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:31,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:40:31,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:40:31,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:31,941 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:31,941 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 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 08:40:31,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:32,144 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-09-24 08:40:32,145 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:32,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash -322390967, now seen corresponding path program 1 times [2024-09-24 08:40:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:32,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771775107] [2024-09-24 08:40:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:32,263 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 08:40:32,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:32,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771775107] [2024-09-24 08:40:32,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771775107] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:32,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:32,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:40:32,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373384810] [2024-09-24 08:40:32,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:32,264 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:40:32,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:32,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:40:32,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:40:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:32,264 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:32,264 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 08:40:32,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:32,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:32,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:32,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:32,290 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-09-24 08:40:32,290 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:32,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:32,290 INFO L85 PathProgramCache]: Analyzing trace with hash -321467446, now seen corresponding path program 1 times [2024-09-24 08:40:32,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:32,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66747787] [2024-09-24 08:40:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:32,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:32,456 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 08:40:32,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66747787] [2024-09-24 08:40:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66747787] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 08:40:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287603928] [2024-09-24 08:40:32,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:32,457 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 08:40:32,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:32,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 08:40:32,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 08:40:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:32,458 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:32,458 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) 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 08:40:32,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:32,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:32,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:32,622 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-09-24 08:40:32,623 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:32,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash 664882956, now seen corresponding path program 1 times [2024-09-24 08:40:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057328892] [2024-09-24 08:40:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:33,005 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 08:40:33,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:33,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057328892] [2024-09-24 08:40:33,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057328892] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:33,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:33,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 08:40:33,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798021727] [2024-09-24 08:40:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:33,006 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-24 08:40:33,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:33,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-24 08:40:33,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-24 08:40:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:33,006 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:33,007 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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 08:40:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:33,159 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-09-24 08:40:33,159 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:33,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -863464326, now seen corresponding path program 1 times [2024-09-24 08:40:33,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:33,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324306456] [2024-09-24 08:40:33,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:33,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:33,583 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 08:40:33,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:33,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324306456] [2024-09-24 08:40:33,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324306456] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:33,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:33,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 08:40:33,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341207914] [2024-09-24 08:40:33,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:33,584 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 08:40:33,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:33,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 08:40:33,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-09-24 08:40:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:33,584 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:33,584 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 08:40:33,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:33,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:33,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:33,887 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-09-24 08:40:33,887 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:33,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash 151014028, now seen corresponding path program 2 times [2024-09-24 08:40:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:33,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089131399] [2024-09-24 08:40:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:33,996 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 08:40:33,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:33,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089131399] [2024-09-24 08:40:33,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089131399] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:33,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:33,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 08:40:33,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147113048] [2024-09-24 08:40:33,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:33,997 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 08:40:33,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 08:40:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 08:40:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:33,998 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:33,998 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 08:40:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:34,414 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-09-24 08:40:34,415 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:34,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1413056020, now seen corresponding path program 1 times [2024-09-24 08:40:34,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:34,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365364420] [2024-09-24 08:40:34,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:34,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:34,716 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 08:40:34,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:34,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365364420] [2024-09-24 08:40:34,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365364420] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:34,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:34,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 08:40:34,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395038871] [2024-09-24 08:40:34,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:34,717 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 08:40:34,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:34,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 08:40:34,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-24 08:40:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:34,718 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:34,718 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:34,916 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-09-24 08:40:34,916 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:34,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:34,916 INFO L85 PathProgramCache]: Analyzing trace with hash -770974747, now seen corresponding path program 1 times [2024-09-24 08:40:34,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:34,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666628141] [2024-09-24 08:40:34,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:34,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:35,974 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 08:40:35,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:35,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666628141] [2024-09-24 08:40:35,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666628141] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:35,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:35,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 08:40:35,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062704838] [2024-09-24 08:40:35,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:35,975 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 08:40:35,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:35,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 08:40:35,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-09-24 08:40:35,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:35,976 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:35,976 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 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:36,187 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-09-24 08:40:36,187 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:36,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1955522574, now seen corresponding path program 1 times [2024-09-24 08:40:36,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:36,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535433582] [2024-09-24 08:40:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:36,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:37,685 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 08:40:37,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:37,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535433582] [2024-09-24 08:40:37,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535433582] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:37,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:37,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-24 08:40:37,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449221211] [2024-09-24 08:40:37,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:37,686 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-24 08:40:37,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:37,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-24 08:40:37,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-09-24 08:40:37,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:37,687 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:37,687 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 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:37,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:38,168 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-09-24 08:40:38,168 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:38,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:38,169 INFO L85 PathProgramCache]: Analyzing trace with hash -377107529, now seen corresponding path program 1 times [2024-09-24 08:40:38,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:38,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640091914] [2024-09-24 08:40:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:38,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:38,820 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 08:40:38,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:38,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640091914] [2024-09-24 08:40:38,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640091914] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:38,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:38,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-24 08:40:38,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985773064] [2024-09-24 08:40:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:38,821 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 08:40:38,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:38,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 08:40:38,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-09-24 08:40:38,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:38,822 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:38,822 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:38,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:39,851 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-09-24 08:40:39,851 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:39,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1446456893, now seen corresponding path program 2 times [2024-09-24 08:40:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557799113] [2024-09-24 08:40:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:41,283 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 08:40:41,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:41,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557799113] [2024-09-24 08:40:41,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557799113] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:41,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:41,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-24 08:40:41,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875116154] [2024-09-24 08:40:41,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:41,284 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-24 08:40:41,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:41,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-24 08:40:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-09-24 08:40:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:41,285 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:41,285 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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 08:40:41,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:41,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:41,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:41,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:41,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:41,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:41,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:42,007 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-09-24 08:40:42,007 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:42,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:42,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2025433449, now seen corresponding path program 3 times [2024-09-24 08:40:42,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:42,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052353357] [2024-09-24 08:40:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:43,019 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 08:40:43,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:43,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052353357] [2024-09-24 08:40:43,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052353357] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:43,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:43,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-24 08:40:43,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402762978] [2024-09-24 08:40:43,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:43,020 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-24 08:40:43,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:43,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-24 08:40:43,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-09-24 08:40:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:43,021 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:43,021 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 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 08:40:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:43,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:43,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:43,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:43,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,486 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-09-24 08:40:43,486 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:43,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:43,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1099123267, now seen corresponding path program 4 times [2024-09-24 08:40:43,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:43,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592184840] [2024-09-24 08:40:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:43,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 08:40:43,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:43,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592184840] [2024-09-24 08:40:43,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592184840] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:43,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:43,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 08:40:43,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456206798] [2024-09-24 08:40:43,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:43,650 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 08:40:43,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:43,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 08:40:43,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 08:40:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:43,651 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:43,652 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:44,090 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-09-24 08:40:44,090 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:44,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:44,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1675361226, now seen corresponding path program 1 times [2024-09-24 08:40:44,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:44,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497114732] [2024-09-24 08:40:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:44,900 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 08:40:44,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:44,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497114732] [2024-09-24 08:40:44,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497114732] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:44,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:44,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-24 08:40:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633526700] [2024-09-24 08:40:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:44,901 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-24 08:40:44,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:44,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-24 08:40:44,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-09-24 08:40:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:44,902 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:44,902 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:45,629 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-09-24 08:40:45,629 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:45,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:45,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1864936118, now seen corresponding path program 2 times [2024-09-24 08:40:45,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:45,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963639738] [2024-09-24 08:40:45,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:45,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:46,170 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 08:40:46,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963639738] [2024-09-24 08:40:46,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963639738] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:46,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:46,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-24 08:40:46,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335387331] [2024-09-24 08:40:46,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:46,171 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 08:40:46,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 08:40:46,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-09-24 08:40:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:46,172 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:46,172 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 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 08:40:46,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:46,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:46,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:46,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:46,642 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-09-24 08:40:46,643 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 08:40:46,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 08:40:46,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1372873381, now seen corresponding path program 1 times [2024-09-24 08:40:46,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 08:40:46,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933251544] [2024-09-24 08:40:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 08:40:46,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 08:40:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 08:40:46,848 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 08:40:46,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 08:40:46,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933251544] [2024-09-24 08:40:46,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933251544] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 08:40:46,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 08:40:46,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 08:40:46,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314268077] [2024-09-24 08:40:46,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 08:40:46,849 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 08:40:46,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 08:40:46,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 08:40:46,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-24 08:40:46,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:46,850 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 08:40:46,850 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 08:40:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 08:40:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 08:40:47,226 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-24 08:40:47,226 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-24 08:40:47,226 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-24 08:40:47,226 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-24 08:40:47,226 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-09-24 08:40:47,227 INFO L408 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-24 08:40:47,227 INFO L312 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (3/3) [2024-09-24 08:40:47,228 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 08:40:47,228 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 08:40:47,230 INFO L469 ceAbstractionStarter]: Automizer considered 13 witness invariants [2024-09-24 08:40:47,230 INFO L470 ceAbstractionStarter]: WitnessConsidered=13 [2024-09-24 08:40:47,231 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:40:47 BasicIcfg [2024-09-24 08:40:47,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 08:40:47,232 INFO L158 Benchmark]: Toolchain (without parser) took 57609.43ms. Allocated memory was 161.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 98.0MB in the beginning and 917.6MB in the end (delta: -819.5MB). Peak memory consumption was 936.7MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,232 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 96.5MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 08:40:47,232 INFO L158 Benchmark]: Witness Parser took 1.14ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 105.8MB in the end (delta: 483.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.86ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 107.7MB in the end (delta: -9.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.26ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,233 INFO L158 Benchmark]: Boogie Preprocessor took 48.57ms. Allocated memory is still 161.5MB. Free memory was 103.5MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,233 INFO L158 Benchmark]: RCFGBuilder took 1149.43ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 100.5MB in the beginning and 82.1MB in the end (delta: 18.3MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,233 INFO L158 Benchmark]: TraceAbstraction took 55498.09ms. Allocated memory was 203.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 81.1MB in the beginning and 917.6MB in the end (delta: -836.5MB). Peak memory consumption was 877.9MB. Max. memory is 16.1GB. [2024-09-24 08:40:47,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 96.5MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.14ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 105.8MB in the end (delta: 483.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.86ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 107.7MB in the end (delta: -9.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.26ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.57ms. Allocated memory is still 161.5MB. Free memory was 103.5MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1149.43ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 100.5MB in the beginning and 82.1MB in the end (delta: 18.3MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * TraceAbstraction took 55498.09ms. Allocated memory was 203.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 81.1MB in the beginning and 917.6MB in the end (delta: -836.5MB). Peak memory consumption was 877.9MB. 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: 4630, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 889, dependent conditional: 869, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3835, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 94, dependent conditional: 74, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3835, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 94, dependent conditional: 74, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4557, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 816, dependent conditional: 796, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4557, independent: 3741, independent conditional: 60, independent unconditional: 3681, dependent: 816, dependent conditional: 657, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4557, independent: 3741, independent conditional: 60, independent unconditional: 3681, dependent: 816, dependent conditional: 657, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 868, independent: 787, independent conditional: 3, independent unconditional: 784, dependent: 81, dependent conditional: 61, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 868, independent: 525, independent conditional: 0, independent unconditional: 525, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 343, independent: 262, independent conditional: 3, independent unconditional: 259, dependent: 81, dependent conditional: 61, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 343, independent: 262, independent conditional: 3, independent unconditional: 259, dependent: 81, dependent conditional: 61, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3112, independent: 2412, independent conditional: 11, independent unconditional: 2401, dependent: 700, dependent conditional: 439, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4557, independent: 2954, independent conditional: 57, independent unconditional: 2897, dependent: 735, dependent conditional: 596, dependent unconditional: 139, unknown: 868, unknown conditional: 64, unknown unconditional: 804] , Statistics on independence cache: Total cache size (in pairs): 868, Positive cache size: 787, Positive conditional cache size: 3, Positive unconditional cache size: 784, Negative cache size: 81, Negative conditional cache size: 61, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3036, Maximal queried relation: 10, Independence queries for same thread: 795, Persistent sets #1 benchmarks: Persistent set computation time: 2.8s, Number of persistent set computation: 164, Number of trivial persistent sets: 86, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 804, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4630, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 889, dependent conditional: 869, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3835, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 94, dependent conditional: 74, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3835, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 94, dependent conditional: 74, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4557, independent: 3741, independent conditional: 2957, independent unconditional: 784, dependent: 816, dependent conditional: 796, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4557, independent: 3741, independent conditional: 60, independent unconditional: 3681, dependent: 816, dependent conditional: 657, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4557, independent: 3741, independent conditional: 60, independent unconditional: 3681, dependent: 816, dependent conditional: 657, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 868, independent: 787, independent conditional: 3, independent unconditional: 784, dependent: 81, dependent conditional: 61, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 868, independent: 525, independent conditional: 0, independent unconditional: 525, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 343, independent: 262, independent conditional: 3, independent unconditional: 259, dependent: 81, dependent conditional: 61, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 343, independent: 262, independent conditional: 3, independent unconditional: 259, dependent: 81, dependent conditional: 61, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3112, independent: 2412, independent conditional: 11, independent unconditional: 2401, dependent: 700, dependent conditional: 439, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4557, independent: 2954, independent conditional: 57, independent unconditional: 2897, dependent: 735, dependent conditional: 596, dependent unconditional: 139, unknown: 868, unknown conditional: 64, unknown unconditional: 804] , Statistics on independence cache: Total cache size (in pairs): 868, Positive cache size: 787, Positive conditional cache size: 3, Positive unconditional cache size: 784, Negative cache size: 81, Negative conditional cache size: 61, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3036, Maximal queried relation: 10, Independence queries for same thread: 795 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8443, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 1904, dependent conditional: 1879, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6917, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 378, dependent conditional: 353, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6917, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 378, dependent conditional: 353, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8509, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 1970, dependent conditional: 1945, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8509, independent: 6539, independent conditional: 43, independent unconditional: 6496, dependent: 1970, dependent conditional: 1538, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8509, independent: 6539, independent conditional: 43, independent unconditional: 6496, dependent: 1970, dependent conditional: 1538, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1094, independent: 955, independent conditional: 4, independent unconditional: 951, dependent: 139, dependent conditional: 114, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1094, independent: 658, independent conditional: 0, independent unconditional: 658, dependent: 436, dependent conditional: 0, dependent unconditional: 436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 436, independent: 297, independent conditional: 4, independent unconditional: 293, dependent: 139, dependent conditional: 114, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, independent: 297, independent conditional: 4, independent unconditional: 293, dependent: 139, dependent conditional: 114, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4398, independent: 2429, independent conditional: 30, independent unconditional: 2399, dependent: 1969, dependent conditional: 1634, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8509, independent: 5584, independent conditional: 39, independent unconditional: 5545, dependent: 1831, dependent conditional: 1424, dependent unconditional: 407, unknown: 1094, unknown conditional: 118, unknown unconditional: 976] , Statistics on independence cache: Total cache size (in pairs): 1094, Positive cache size: 955, Positive conditional cache size: 4, Positive unconditional cache size: 951, Negative cache size: 139, Negative conditional cache size: 114, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5952, Maximal queried relation: 9, Independence queries for same thread: 1526, Persistent sets #1 benchmarks: Persistent set computation time: 2.8s, Number of persistent set computation: 206, Number of trivial persistent sets: 116, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 976, independent: 951, independent conditional: 0, independent unconditional: 951, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8443, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 1904, dependent conditional: 1879, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6917, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 378, dependent conditional: 353, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6917, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 378, dependent conditional: 353, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8509, independent: 6539, independent conditional: 5588, independent unconditional: 951, dependent: 1970, dependent conditional: 1945, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8509, independent: 6539, independent conditional: 43, independent unconditional: 6496, dependent: 1970, dependent conditional: 1538, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8509, independent: 6539, independent conditional: 43, independent unconditional: 6496, dependent: 1970, dependent conditional: 1538, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1094, independent: 955, independent conditional: 4, independent unconditional: 951, dependent: 139, dependent conditional: 114, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1094, independent: 658, independent conditional: 0, independent unconditional: 658, dependent: 436, dependent conditional: 0, dependent unconditional: 436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 436, independent: 297, independent conditional: 4, independent unconditional: 293, dependent: 139, dependent conditional: 114, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, independent: 297, independent conditional: 4, independent unconditional: 293, dependent: 139, dependent conditional: 114, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4398, independent: 2429, independent conditional: 30, independent unconditional: 2399, dependent: 1969, dependent conditional: 1634, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8509, independent: 5584, independent conditional: 39, independent unconditional: 5545, dependent: 1831, dependent conditional: 1424, dependent unconditional: 407, unknown: 1094, unknown conditional: 118, unknown unconditional: 976] , Statistics on independence cache: Total cache size (in pairs): 1094, Positive cache size: 955, Positive conditional cache size: 4, Positive unconditional cache size: 951, Negative cache size: 139, Negative conditional cache size: 114, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5952, Maximal queried relation: 9, Independence queries for same thread: 1526 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6640, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 1584, dependent conditional: 1562, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5163, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 107, dependent conditional: 85, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5163, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 107, dependent conditional: 85, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5666, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 610, dependent conditional: 588, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5666, independent: 5056, independent conditional: 14, independent unconditional: 5042, dependent: 610, dependent conditional: 485, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5666, independent: 5056, independent conditional: 14, independent unconditional: 5042, dependent: 610, dependent conditional: 485, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1006, independent: 911, independent conditional: 2, independent unconditional: 909, dependent: 95, dependent conditional: 73, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1006, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 381, independent: 286, independent conditional: 2, independent unconditional: 284, dependent: 95, dependent conditional: 73, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 381, independent: 286, independent conditional: 2, independent unconditional: 284, dependent: 95, dependent conditional: 73, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3032, independent: 1945, independent conditional: 5, independent unconditional: 1940, dependent: 1087, dependent conditional: 865, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5666, independent: 4145, independent conditional: 12, independent unconditional: 4133, dependent: 515, dependent conditional: 412, dependent unconditional: 103, unknown: 1006, unknown conditional: 75, unknown unconditional: 931] , Statistics on independence cache: Total cache size (in pairs): 1006, Positive cache size: 911, Positive conditional cache size: 2, Positive unconditional cache size: 909, Negative cache size: 95, Negative conditional cache size: 73, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4236, Maximal queried relation: 12, Independence queries for same thread: 1477, Persistent sets #1 benchmarks: Persistent set computation time: 2.2s, Number of persistent set computation: 360, Number of trivial persistent sets: 360, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 931, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6640, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 1584, dependent conditional: 1562, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5163, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 107, dependent conditional: 85, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5163, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 107, dependent conditional: 85, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5666, independent: 5056, independent conditional: 4147, independent unconditional: 909, dependent: 610, dependent conditional: 588, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5666, independent: 5056, independent conditional: 14, independent unconditional: 5042, dependent: 610, dependent conditional: 485, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5666, independent: 5056, independent conditional: 14, independent unconditional: 5042, dependent: 610, dependent conditional: 485, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1006, independent: 911, independent conditional: 2, independent unconditional: 909, dependent: 95, dependent conditional: 73, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1006, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 381, independent: 286, independent conditional: 2, independent unconditional: 284, dependent: 95, dependent conditional: 73, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 381, independent: 286, independent conditional: 2, independent unconditional: 284, dependent: 95, dependent conditional: 73, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3032, independent: 1945, independent conditional: 5, independent unconditional: 1940, dependent: 1087, dependent conditional: 865, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5666, independent: 4145, independent conditional: 12, independent unconditional: 4133, dependent: 515, dependent conditional: 412, dependent unconditional: 103, unknown: 1006, unknown conditional: 75, unknown unconditional: 931] , Statistics on independence cache: Total cache size (in pairs): 1006, Positive cache size: 911, Positive conditional cache size: 2, Positive unconditional cache size: 909, Negative cache size: 95, Negative conditional cache size: 73, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4236, Maximal queried relation: 12, Independence queries for same thread: 1477 - PositiveResult [Line: 831]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 835]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 842]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 758]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 761]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 772]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 788]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 804]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 811]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 738]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 741]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 744]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 751]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 74 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 22.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 7.8s, 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: 84, 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, 0.5s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 6199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 74 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 8.7s, 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: 94, 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, 8.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 4702 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 74 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 6.5s, 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: 98, 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, 9.0s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 8107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 08:40:47,276 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 08:40:47,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-09-24 08:40:47,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-24 08:40:47,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE