./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8b90978b682a83c8f6f0d2fe75b83e30918fdef6451144e6a40fff2a4b9e706 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:37:15,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:37:15,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:37:15,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:37:15,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:37:15,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:37:15,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:37:15,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:37:15,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:37:15,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:37:15,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:37:15,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:37:15,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:37:15,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:37:15,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:37:15,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:37:15,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:37:15,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:37:15,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:37:15,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:37:15,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:37:15,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:37:15,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:37:15,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:37:15,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:37:15,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:37:15,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:37:15,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:37:15,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:37:15,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:37:15,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:37:15,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:37:15,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:37:15,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:37:15,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:37:15,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:37:15,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:37:15,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:37:15,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:37:15,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:37:15,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:37:15,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:37:15,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:37:15,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:37:15,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:37:15,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:37:15,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:37:15,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:37:15,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:37:15,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:37:15,700 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:37:15,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:37:15,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:37:15,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:37:15,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:37:15,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:37:15,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:37:15,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:37:15,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:37:15,703 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:37:15,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:37:15,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:37:15,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:37:15,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:37:15,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:37:15,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:37:15,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:37:15,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:37:15,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:37:15,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:37:15,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:37:15,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:37:15,708 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:37:15,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:37:15,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:37:15,709 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8b90978b682a83c8f6f0d2fe75b83e30918fdef6451144e6a40fff2a4b9e706 [2022-11-02 20:37:16,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:37:16,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:37:16,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:37:16,039 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:37:16,040 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:37:16,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2022-11-02 20:37:16,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/data/1dcf1b9b8/11a03c661f2e4355b4079ac61c9e6515/FLAG6c934b536 [2022-11-02 20:37:17,125 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:37:17,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2022-11-02 20:37:17,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/data/1dcf1b9b8/11a03c661f2e4355b4079ac61c9e6515/FLAG6c934b536 [2022-11-02 20:37:17,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/data/1dcf1b9b8/11a03c661f2e4355b4079ac61c9e6515 [2022-11-02 20:37:17,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:37:17,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:37:17,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:37:17,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:37:17,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:37:17,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:17" (1/1) ... [2022-11-02 20:37:17,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba4a707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:17, skipping insertion in model container [2022-11-02 20:37:17,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:17" (1/1) ... [2022-11-02 20:37:17,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:37:17,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:37:19,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[172160,172173] [2022-11-02 20:37:19,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[250199,250212] [2022-11-02 20:37:19,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[289422,289435] [2022-11-02 20:37:19,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[309133,309146] [2022-11-02 20:37:20,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[319011,319024] [2022-11-02 20:37:20,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[323922,323935] [2022-11-02 20:37:20,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[328750,328763] [2022-11-02 20:37:20,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[405185,405198] [2022-11-02 20:37:20,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[443553,443566] [2022-11-02 20:37:20,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[463065,463078] [2022-11-02 20:37:20,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[472989,473002] [2022-11-02 20:37:20,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[477943,477956] [2022-11-02 20:37:20,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[482814,482827] [2022-11-02 20:37:20,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[521320,521333] [2022-11-02 20:37:20,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[540838,540851] [2022-11-02 20:37:20,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[550762,550775] [2022-11-02 20:37:20,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[555716,555729] [2022-11-02 20:37:20,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[560575,560588] [2022-11-02 20:37:20,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[581321,581334] [2022-11-02 20:37:21,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[591188,591201] [2022-11-02 20:37:21,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[596115,596128] [2022-11-02 20:37:21,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[600957,600970] [2022-11-02 20:37:21,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[606379,606392] [2022-11-02 20:37:21,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[611215,611228] [2022-11-02 20:37:21,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[616142,616155] [2022-11-02 20:37:21,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[620984,620997] [2022-11-02 20:37:21,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[626027,626040] [2022-11-02 20:37:21,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[631036,631049] [2022-11-02 20:37:21,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[635974,635987] [2022-11-02 20:37:21,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:37:21,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:37:22,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[172160,172173] [2022-11-02 20:37:22,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[250199,250212] [2022-11-02 20:37:22,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[289422,289435] [2022-11-02 20:37:22,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[309133,309146] [2022-11-02 20:37:22,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[319011,319024] [2022-11-02 20:37:22,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[323922,323935] [2022-11-02 20:37:22,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[328750,328763] [2022-11-02 20:37:22,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[405185,405198] [2022-11-02 20:37:22,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[443553,443566] [2022-11-02 20:37:22,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[463065,463078] [2022-11-02 20:37:23,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[472989,473002] [2022-11-02 20:37:23,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[477943,477956] [2022-11-02 20:37:23,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[482814,482827] [2022-11-02 20:37:23,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[521320,521333] [2022-11-02 20:37:23,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[540838,540851] [2022-11-02 20:37:23,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[550762,550775] [2022-11-02 20:37:23,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[555716,555729] [2022-11-02 20:37:23,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[560575,560588] [2022-11-02 20:37:23,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[581321,581334] [2022-11-02 20:37:23,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[591188,591201] [2022-11-02 20:37:23,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[596115,596128] [2022-11-02 20:37:23,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[600957,600970] [2022-11-02 20:37:23,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[606379,606392] [2022-11-02 20:37:23,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[611215,611228] [2022-11-02 20:37:23,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[616142,616155] [2022-11-02 20:37:23,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[620984,620997] [2022-11-02 20:37:23,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[626027,626040] [2022-11-02 20:37:23,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[631036,631049] [2022-11-02 20:37:23,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[635974,635987] [2022-11-02 20:37:23,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:37:23,639 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:37:23,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23 WrapperNode [2022-11-02 20:37:23,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:37:23,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:37:23,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:37:23,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:37:23,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:23,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,118 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26578 [2022-11-02 20:37:24,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:37:24,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:37:24,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:37:24,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:37:24,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:37:24,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:37:24,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:37:24,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:37:24,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (1/1) ... [2022-11-02 20:37:24,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:37:24,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:37:24,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:37:24,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e75edb-61d2-4da4-ba5e-44c3460520b8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:37:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:37:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:37:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:37:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:37:25,655 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:37:25,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:37:37,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:37:37,788 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:37:37,789 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:37:37,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:37 BoogieIcfgContainer [2022-11-02 20:37:37,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:37:37,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:37:37,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:37:37,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:37:37,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:37:17" (1/3) ... [2022-11-02 20:37:37,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d578103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:37:37, skipping insertion in model container [2022-11-02 20:37:37,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:23" (2/3) ... [2022-11-02 20:37:37,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d578103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:37:37, skipping insertion in model container [2022-11-02 20:37:37,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:37" (3/3) ... [2022-11-02 20:37:37,807 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2022-11-02 20:37:37,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:37:37,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-02 20:37:37,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:37:37,981 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@576ab692, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:37:37,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-02 20:37:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 5467 states, 5437 states have (on average 1.7491263564465698) internal successors, (9510), 5466 states have internal predecessors, (9510), 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) [2022-11-02 20:37:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-02 20:37:38,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:38,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:38,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1092592849, now seen corresponding path program 1 times [2022-11-02 20:37:38,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:38,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696090163] [2022-11-02 20:37:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:38,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:39,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:39,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696090163] [2022-11-02 20:37:39,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696090163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:39,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:39,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:39,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718843649] [2022-11-02 20:37:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:39,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:39,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:39,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:39,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:39,077 INFO L87 Difference]: Start difference. First operand has 5467 states, 5437 states have (on average 1.7491263564465698) internal successors, (9510), 5466 states have internal predecessors, (9510), 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) Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-02 20:37:42,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:42,594 INFO L93 Difference]: Finished difference Result 6032 states and 10392 transitions. [2022-11-02 20:37:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:37:42,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) Word has length 102 [2022-11-02 20:37:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:42,629 INFO L225 Difference]: With dead ends: 6032 [2022-11-02 20:37:42,629 INFO L226 Difference]: Without dead ends: 3368 [2022-11-02 20:37:42,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:37:42,652 INFO L413 NwaCegarLoop]: 3160 mSDtfsCounter, 17014 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17014 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:42,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17014 Valid, 3238 Invalid, 2717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-02 20:37:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2022-11-02 20:37:43,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3368. [2022-11-02 20:37:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 3339 states have (on average 1.2961964660077867) internal successors, (4328), 3367 states have internal predecessors, (4328), 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) [2022-11-02 20:37:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4328 transitions. [2022-11-02 20:37:43,085 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4328 transitions. Word has length 102 [2022-11-02 20:37:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:43,086 INFO L495 AbstractCegarLoop]: Abstraction has 3368 states and 4328 transitions. [2022-11-02 20:37:43,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-02 20:37:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4328 transitions. [2022-11-02 20:37:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-02 20:37:43,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:43,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:43,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:37:43,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:43,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2083341886, now seen corresponding path program 1 times [2022-11-02 20:37:43,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:43,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339358739] [2022-11-02 20:37:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:43,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:43,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:43,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:43,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339358739] [2022-11-02 20:37:43,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339358739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:43,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:43,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:43,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003352059] [2022-11-02 20:37:43,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:43,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:43,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:43,598 INFO L87 Difference]: Start difference. First operand 3368 states and 4328 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-02 20:37:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:46,589 INFO L93 Difference]: Finished difference Result 4692 states and 6071 transitions. [2022-11-02 20:37:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:37:46,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) Word has length 102 [2022-11-02 20:37:46,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:46,601 INFO L225 Difference]: With dead ends: 4692 [2022-11-02 20:37:46,601 INFO L226 Difference]: Without dead ends: 3112 [2022-11-02 20:37:46,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:37:46,605 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 11797 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11797 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:46,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11797 Valid, 1804 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-02 20:37:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2022-11-02 20:37:46,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 3112. [2022-11-02 20:37:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 3083 states have (on average 1.3100875770353553) internal successors, (4039), 3111 states have internal predecessors, (4039), 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) [2022-11-02 20:37:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 4039 transitions. [2022-11-02 20:37:46,747 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 4039 transitions. Word has length 102 [2022-11-02 20:37:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:46,747 INFO L495 AbstractCegarLoop]: Abstraction has 3112 states and 4039 transitions. [2022-11-02 20:37:46,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-02 20:37:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 4039 transitions. [2022-11-02 20:37:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-02 20:37:46,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:46,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:46,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:37:46,755 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:46,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:46,755 INFO L85 PathProgramCache]: Analyzing trace with hash -88773195, now seen corresponding path program 1 times [2022-11-02 20:37:46,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:46,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204961308] [2022-11-02 20:37:46,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:46,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:47,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:47,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204961308] [2022-11-02 20:37:47,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204961308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:47,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:47,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:47,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406811995] [2022-11-02 20:37:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:47,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:47,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:47,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:47,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:47,131 INFO L87 Difference]: Start difference. First operand 3112 states and 4039 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-02 20:37:50,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:50,971 INFO L93 Difference]: Finished difference Result 5599 states and 7322 transitions. [2022-11-02 20:37:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:37:50,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) Word has length 102 [2022-11-02 20:37:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:50,988 INFO L225 Difference]: With dead ends: 5599 [2022-11-02 20:37:50,988 INFO L226 Difference]: Without dead ends: 4031 [2022-11-02 20:37:50,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:37:51,006 INFO L413 NwaCegarLoop]: 1729 mSDtfsCounter, 14042 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 2737 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14042 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 2826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:51,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14042 Valid, 2596 Invalid, 2826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [89 Valid, 2737 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-02 20:37:51,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2022-11-02 20:37:51,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 3861. [2022-11-02 20:37:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3832 states have (on average 1.3457724425887265) internal successors, (5157), 3860 states have internal predecessors, (5157), 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) [2022-11-02 20:37:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5157 transitions. [2022-11-02 20:37:51,259 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5157 transitions. Word has length 102 [2022-11-02 20:37:51,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:51,260 INFO L495 AbstractCegarLoop]: Abstraction has 3861 states and 5157 transitions. [2022-11-02 20:37:51,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-02 20:37:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5157 transitions. [2022-11-02 20:37:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-02 20:37:51,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:51,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:51,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:37:51,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:51,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:51,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2026696452, now seen corresponding path program 1 times [2022-11-02 20:37:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:51,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255185189] [2022-11-02 20:37:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:51,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:51,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255185189] [2022-11-02 20:37:51,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255185189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:51,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:51,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:51,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564258724] [2022-11-02 20:37:51,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:51,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:51,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:51,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:51,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:51,548 INFO L87 Difference]: Start difference. First operand 3861 states and 5157 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-11-02 20:37:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:53,619 INFO L93 Difference]: Finished difference Result 4930 states and 6593 transitions. [2022-11-02 20:37:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:37:53,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) Word has length 104 [2022-11-02 20:37:53,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:53,648 INFO L225 Difference]: With dead ends: 4930 [2022-11-02 20:37:53,648 INFO L226 Difference]: Without dead ends: 3001 [2022-11-02 20:37:53,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:37:53,657 INFO L413 NwaCegarLoop]: 1393 mSDtfsCounter, 8234 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8234 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:53,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8234 Valid, 1421 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-02 20:37:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2022-11-02 20:37:53,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 3001. [2022-11-02 20:37:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2972 states have (on average 1.3617092866756393) internal successors, (4047), 3000 states have internal predecessors, (4047), 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) [2022-11-02 20:37:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4047 transitions. [2022-11-02 20:37:53,931 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4047 transitions. Word has length 104 [2022-11-02 20:37:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:53,931 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4047 transitions. [2022-11-02 20:37:53,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-11-02 20:37:53,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4047 transitions. [2022-11-02 20:37:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-02 20:37:53,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:53,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:53,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:37:53,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:53,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1689722247, now seen corresponding path program 1 times [2022-11-02 20:37:53,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:53,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127895166] [2022-11-02 20:37:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:54,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:54,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127895166] [2022-11-02 20:37:54,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127895166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:54,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:54,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:54,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342166310] [2022-11-02 20:37:54,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:54,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:54,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:54,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:54,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:54,307 INFO L87 Difference]: Start difference. First operand 3001 states and 4047 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-11-02 20:37:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:56,040 INFO L93 Difference]: Finished difference Result 4320 states and 5839 transitions. [2022-11-02 20:37:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:37:56,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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) Word has length 106 [2022-11-02 20:37:56,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:56,056 INFO L225 Difference]: With dead ends: 4320 [2022-11-02 20:37:56,056 INFO L226 Difference]: Without dead ends: 2772 [2022-11-02 20:37:56,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:37:56,061 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 7636 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7636 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:56,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7636 Valid, 1338 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-02 20:37:56,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2022-11-02 20:37:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2772. [2022-11-02 20:37:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2743 states have (on average 1.3722201968647467) internal successors, (3764), 2771 states have internal predecessors, (3764), 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) [2022-11-02 20:37:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3764 transitions. [2022-11-02 20:37:56,353 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3764 transitions. Word has length 106 [2022-11-02 20:37:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:56,355 INFO L495 AbstractCegarLoop]: Abstraction has 2772 states and 3764 transitions. [2022-11-02 20:37:56,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-11-02 20:37:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3764 transitions. [2022-11-02 20:37:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-02 20:37:56,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:56,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:56,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:37:56,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:56,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:56,365 INFO L85 PathProgramCache]: Analyzing trace with hash 790399219, now seen corresponding path program 1 times [2022-11-02 20:37:56,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:56,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125665586] [2022-11-02 20:37:56,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:56,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:56,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:56,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125665586] [2022-11-02 20:37:56,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125665586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:56,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:56,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:56,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614450412] [2022-11-02 20:37:56,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:56,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:56,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:56,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:56,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:56,743 INFO L87 Difference]: Start difference. First operand 2772 states and 3764 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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) [2022-11-02 20:37:58,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:58,345 INFO L93 Difference]: Finished difference Result 3983 states and 5410 transitions. [2022-11-02 20:37:58,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:37:58,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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) Word has length 108 [2022-11-02 20:37:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:58,354 INFO L225 Difference]: With dead ends: 3983 [2022-11-02 20:37:58,354 INFO L226 Difference]: Without dead ends: 2551 [2022-11-02 20:37:58,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:37:58,358 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 7019 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:58,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7019 Valid, 1261 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:37:58,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2022-11-02 20:37:58,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2551. [2022-11-02 20:37:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2522 states have (on average 1.3794607454401269) internal successors, (3479), 2550 states have internal predecessors, (3479), 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) [2022-11-02 20:37:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3479 transitions. [2022-11-02 20:37:58,636 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3479 transitions. Word has length 108 [2022-11-02 20:37:58,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:58,636 INFO L495 AbstractCegarLoop]: Abstraction has 2551 states and 3479 transitions. [2022-11-02 20:37:58,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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) [2022-11-02 20:37:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3479 transitions. [2022-11-02 20:37:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 20:37:58,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:58,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:58,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:37:58,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:37:58,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:58,645 INFO L85 PathProgramCache]: Analyzing trace with hash -457820444, now seen corresponding path program 1 times [2022-11-02 20:37:58,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:58,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137392463] [2022-11-02 20:37:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:58,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:37:58,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:58,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137392463] [2022-11-02 20:37:58,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137392463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:58,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:58,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:37:58,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869323170] [2022-11-02 20:37:58,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:58,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:58,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:58,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:58,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:58,966 INFO L87 Difference]: Start difference. First operand 2551 states and 3479 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-11-02 20:38:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:00,003 INFO L93 Difference]: Finished difference Result 2942 states and 3949 transitions. [2022-11-02 20:38:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:38:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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) Word has length 110 [2022-11-02 20:38:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:00,010 INFO L225 Difference]: With dead ends: 2942 [2022-11-02 20:38:00,010 INFO L226 Difference]: Without dead ends: 1734 [2022-11-02 20:38:00,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:38:00,013 INFO L413 NwaCegarLoop]: 841 mSDtfsCounter, 4595 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4595 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:00,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4595 Valid, 885 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:38:00,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-11-02 20:38:00,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2022-11-02 20:38:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3941348973607037) internal successors, (2377), 1733 states have internal predecessors, (2377), 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) [2022-11-02 20:38:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2377 transitions. [2022-11-02 20:38:00,164 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2377 transitions. Word has length 110 [2022-11-02 20:38:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:00,165 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2377 transitions. [2022-11-02 20:38:00,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-11-02 20:38:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2377 transitions. [2022-11-02 20:38:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:00,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:00,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:00,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:38:00,171 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:00,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:00,171 INFO L85 PathProgramCache]: Analyzing trace with hash 521947695, now seen corresponding path program 1 times [2022-11-02 20:38:00,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:00,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740042987] [2022-11-02 20:38:00,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:00,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:01,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:01,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740042987] [2022-11-02 20:38:01,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740042987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:01,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:01,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:38:01,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149638950] [2022-11-02 20:38:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:01,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:38:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:38:01,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:01,162 INFO L87 Difference]: Start difference. First operand 1734 states and 2377 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 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) [2022-11-02 20:38:04,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:04,807 INFO L93 Difference]: Finished difference Result 3636 states and 5023 transitions. [2022-11-02 20:38:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:38:04,807 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:04,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:04,817 INFO L225 Difference]: With dead ends: 3636 [2022-11-02 20:38:04,818 INFO L226 Difference]: Without dead ends: 3332 [2022-11-02 20:38:04,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:38:04,820 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 7463 mSDsluCounter, 4301 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7463 SdHoareTripleChecker+Valid, 5252 SdHoareTripleChecker+Invalid, 3879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:04,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7463 Valid, 5252 Invalid, 3879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 3836 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 20:38:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-11-02 20:38:05,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 1738. [2022-11-02 20:38:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1709 states have (on average 1.393212404915155) internal successors, (2381), 1737 states have internal predecessors, (2381), 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) [2022-11-02 20:38:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2381 transitions. [2022-11-02 20:38:05,016 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2381 transitions. Word has length 112 [2022-11-02 20:38:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:05,017 INFO L495 AbstractCegarLoop]: Abstraction has 1738 states and 2381 transitions. [2022-11-02 20:38:05,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 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) [2022-11-02 20:38:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2381 transitions. [2022-11-02 20:38:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:05,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:05,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:05,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:38:05,022 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:05,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:05,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1724419695, now seen corresponding path program 1 times [2022-11-02 20:38:05,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:05,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818075918] [2022-11-02 20:38:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:05,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:05,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:05,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818075918] [2022-11-02 20:38:05,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818075918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:05,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:05,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:38:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6142584] [2022-11-02 20:38:05,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:05,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:38:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:38:05,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:05,937 INFO L87 Difference]: Start difference. First operand 1738 states and 2381 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 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) [2022-11-02 20:38:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:09,654 INFO L93 Difference]: Finished difference Result 3329 states and 4607 transitions. [2022-11-02 20:38:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:38:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:09,666 INFO L225 Difference]: With dead ends: 3329 [2022-11-02 20:38:09,666 INFO L226 Difference]: Without dead ends: 3102 [2022-11-02 20:38:09,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:38:09,669 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 7034 mSDsluCounter, 5287 mSDsCounter, 0 mSdLazyCounter, 4756 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7034 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 4822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 4756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:09,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7034 Valid, 6386 Invalid, 4822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 4756 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 20:38:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2022-11-02 20:38:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 1742. [2022-11-02 20:38:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3934617629889083) internal successors, (2387), 1741 states have internal predecessors, (2387), 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) [2022-11-02 20:38:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2387 transitions. [2022-11-02 20:38:09,924 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2387 transitions. Word has length 112 [2022-11-02 20:38:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:09,924 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2387 transitions. [2022-11-02 20:38:09,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 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) [2022-11-02 20:38:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2387 transitions. [2022-11-02 20:38:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:09,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:09,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:09,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:38:09,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:09,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:09,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1864219921, now seen corresponding path program 1 times [2022-11-02 20:38:09,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:09,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683456195] [2022-11-02 20:38:09,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:09,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:10,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:10,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683456195] [2022-11-02 20:38:10,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683456195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:10,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:10,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:38:10,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514851781] [2022-11-02 20:38:10,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:10,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:38:10,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:38:10,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:38:10,470 INFO L87 Difference]: Start difference. First operand 1742 states and 2387 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2022-11-02 20:38:13,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:13,179 INFO L93 Difference]: Finished difference Result 3339 states and 4639 transitions. [2022-11-02 20:38:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:38:13,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:13,187 INFO L225 Difference]: With dead ends: 3339 [2022-11-02 20:38:13,187 INFO L226 Difference]: Without dead ends: 3056 [2022-11-02 20:38:13,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:38:13,190 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 9657 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 3082 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9657 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 3130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:13,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9657 Valid, 4195 Invalid, 3130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3082 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-02 20:38:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-11-02 20:38:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 1742. [2022-11-02 20:38:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3928779918272038) internal successors, (2386), 1741 states have internal predecessors, (2386), 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) [2022-11-02 20:38:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2386 transitions. [2022-11-02 20:38:13,503 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2386 transitions. Word has length 112 [2022-11-02 20:38:13,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:13,503 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2386 transitions. [2022-11-02 20:38:13,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2022-11-02 20:38:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2386 transitions. [2022-11-02 20:38:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:13,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:13,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:13,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:38:13,509 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:13,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:13,509 INFO L85 PathProgramCache]: Analyzing trace with hash -326667601, now seen corresponding path program 1 times [2022-11-02 20:38:13,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:13,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241831461] [2022-11-02 20:38:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:13,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:14,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:14,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241831461] [2022-11-02 20:38:14,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241831461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:14,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:14,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:38:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751920719] [2022-11-02 20:38:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:38:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:38:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:38:14,392 INFO L87 Difference]: Start difference. First operand 1742 states and 2386 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) [2022-11-02 20:38:17,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:17,755 INFO L93 Difference]: Finished difference Result 3296 states and 4571 transitions. [2022-11-02 20:38:17,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:38:17,756 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:17,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:17,763 INFO L225 Difference]: With dead ends: 3296 [2022-11-02 20:38:17,763 INFO L226 Difference]: Without dead ends: 3017 [2022-11-02 20:38:17,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:38:17,765 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 6405 mSDsluCounter, 4990 mSDsCounter, 0 mSdLazyCounter, 4541 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6405 SdHoareTripleChecker+Valid, 6181 SdHoareTripleChecker+Invalid, 4601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 4541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:17,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6405 Valid, 6181 Invalid, 4601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 4541 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-02 20:38:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-11-02 20:38:17,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1742. [2022-11-02 20:38:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3917104495037944) internal successors, (2384), 1741 states have internal predecessors, (2384), 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) [2022-11-02 20:38:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2384 transitions. [2022-11-02 20:38:17,979 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2384 transitions. Word has length 112 [2022-11-02 20:38:17,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:17,979 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2384 transitions. [2022-11-02 20:38:17,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) [2022-11-02 20:38:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2384 transitions. [2022-11-02 20:38:17,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:17,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:17,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:17,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:38:17,984 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:17,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:17,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1796458449, now seen corresponding path program 1 times [2022-11-02 20:38:17,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:17,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628271450] [2022-11-02 20:38:17,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:17,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:18,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:18,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628271450] [2022-11-02 20:38:18,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628271450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:18,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:18,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:38:18,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941742489] [2022-11-02 20:38:18,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:18,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:38:18,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:18,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:38:18,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:38:18,638 INFO L87 Difference]: Start difference. First operand 1742 states and 2384 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) [2022-11-02 20:38:21,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:21,798 INFO L93 Difference]: Finished difference Result 3447 states and 4782 transitions. [2022-11-02 20:38:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:38:21,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:21,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:21,805 INFO L225 Difference]: With dead ends: 3447 [2022-11-02 20:38:21,805 INFO L226 Difference]: Without dead ends: 3048 [2022-11-02 20:38:21,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:38:21,808 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 7153 mSDsluCounter, 5116 mSDsCounter, 0 mSdLazyCounter, 4475 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7153 SdHoareTripleChecker+Valid, 6118 SdHoareTripleChecker+Invalid, 4511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 4475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:21,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 6118 Invalid, 4511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 4475 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-02 20:38:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2022-11-02 20:38:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 1742. [2022-11-02 20:38:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3905429071803852) internal successors, (2382), 1741 states have internal predecessors, (2382), 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) [2022-11-02 20:38:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2382 transitions. [2022-11-02 20:38:22,011 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2382 transitions. Word has length 112 [2022-11-02 20:38:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:22,012 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2382 transitions. [2022-11-02 20:38:22,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) [2022-11-02 20:38:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2382 transitions. [2022-11-02 20:38:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:22,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:22,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:22,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:38:22,016 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:22,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1362854767, now seen corresponding path program 1 times [2022-11-02 20:38:22,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:22,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527078366] [2022-11-02 20:38:22,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:22,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:22,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:22,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527078366] [2022-11-02 20:38:22,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527078366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:22,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:22,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:38:22,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866849035] [2022-11-02 20:38:22,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:22,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:38:22,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:22,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:38:22,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:38:22,708 INFO L87 Difference]: Start difference. First operand 1742 states and 2382 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) [2022-11-02 20:38:25,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:25,684 INFO L93 Difference]: Finished difference Result 3501 states and 4844 transitions. [2022-11-02 20:38:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:38:25,685 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:25,690 INFO L225 Difference]: With dead ends: 3501 [2022-11-02 20:38:25,690 INFO L226 Difference]: Without dead ends: 3048 [2022-11-02 20:38:25,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:38:25,692 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 8178 mSDsluCounter, 3938 mSDsCounter, 0 mSdLazyCounter, 3545 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8178 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 3591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 3545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:25,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8178 Valid, 4893 Invalid, 3591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 3545 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-02 20:38:25,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2022-11-02 20:38:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 1742. [2022-11-02 20:38:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.389375364856976) internal successors, (2380), 1741 states have internal predecessors, (2380), 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) [2022-11-02 20:38:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2380 transitions. [2022-11-02 20:38:25,927 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2380 transitions. Word has length 112 [2022-11-02 20:38:25,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:25,928 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2380 transitions. [2022-11-02 20:38:25,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 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) [2022-11-02 20:38:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2380 transitions. [2022-11-02 20:38:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:38:25,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:25,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:25,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:38:25,932 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:25,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1393002159, now seen corresponding path program 1 times [2022-11-02 20:38:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:25,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932300327] [2022-11-02 20:38:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:25,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:26,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932300327] [2022-11-02 20:38:26,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932300327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:26,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:26,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:38:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042950719] [2022-11-02 20:38:26,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:26,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:38:26,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:26,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:38:26,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:38:26,601 INFO L87 Difference]: Start difference. First operand 1742 states and 2380 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 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) [2022-11-02 20:38:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:28,860 INFO L93 Difference]: Finished difference Result 3015 states and 3987 transitions. [2022-11-02 20:38:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:38:28,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 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) Word has length 112 [2022-11-02 20:38:28,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:28,865 INFO L225 Difference]: With dead ends: 3015 [2022-11-02 20:38:28,865 INFO L226 Difference]: Without dead ends: 2284 [2022-11-02 20:38:28,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:38:28,867 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 8170 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8170 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:28,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8170 Valid, 1926 Invalid, 2083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-02 20:38:28,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2022-11-02 20:38:29,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1742. [2022-11-02 20:38:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3887915936952715) internal successors, (2379), 1741 states have internal predecessors, (2379), 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) [2022-11-02 20:38:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2379 transitions. [2022-11-02 20:38:29,153 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2379 transitions. Word has length 112 [2022-11-02 20:38:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:29,154 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2379 transitions. [2022-11-02 20:38:29,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 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) [2022-11-02 20:38:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2379 transitions. [2022-11-02 20:38:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 20:38:29,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:29,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:29,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:38:29,158 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1682976688, now seen corresponding path program 1 times [2022-11-02 20:38:29,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:29,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149217095] [2022-11-02 20:38:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:29,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:29,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149217095] [2022-11-02 20:38:29,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149217095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:29,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:29,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:38:29,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299558131] [2022-11-02 20:38:29,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:29,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:38:29,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:29,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:38:29,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:29,855 INFO L87 Difference]: Start difference. First operand 1742 states and 2379 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 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) [2022-11-02 20:38:33,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:33,638 INFO L93 Difference]: Finished difference Result 3257 states and 4490 transitions. [2022-11-02 20:38:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:38:33,639 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 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) Word has length 113 [2022-11-02 20:38:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:33,645 INFO L225 Difference]: With dead ends: 3257 [2022-11-02 20:38:33,645 INFO L226 Difference]: Without dead ends: 3064 [2022-11-02 20:38:33,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:38:33,647 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 4531 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4531 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:33,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4531 Valid, 6278 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-02 20:38:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2022-11-02 20:38:33,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 1746. [2022-11-02 20:38:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1717 states have (on average 1.3890506697728597) internal successors, (2385), 1745 states have internal predecessors, (2385), 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) [2022-11-02 20:38:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2385 transitions. [2022-11-02 20:38:33,966 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2385 transitions. Word has length 113 [2022-11-02 20:38:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:33,967 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2385 transitions. [2022-11-02 20:38:33,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 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) [2022-11-02 20:38:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2385 transitions. [2022-11-02 20:38:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 20:38:33,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:33,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:33,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:38:33,971 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:33,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:33,972 INFO L85 PathProgramCache]: Analyzing trace with hash 551994640, now seen corresponding path program 1 times [2022-11-02 20:38:33,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:33,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014835252] [2022-11-02 20:38:33,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:33,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:34,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:34,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014835252] [2022-11-02 20:38:34,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014835252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:34,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:34,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:38:34,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752943110] [2022-11-02 20:38:34,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:34,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:38:34,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:34,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:38:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:38:34,496 INFO L87 Difference]: Start difference. First operand 1746 states and 2385 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2022-11-02 20:38:38,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:38,224 INFO L93 Difference]: Finished difference Result 3249 states and 4499 transitions. [2022-11-02 20:38:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:38:38,225 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) Word has length 113 [2022-11-02 20:38:38,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:38,230 INFO L225 Difference]: With dead ends: 3249 [2022-11-02 20:38:38,230 INFO L226 Difference]: Without dead ends: 3029 [2022-11-02 20:38:38,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:38:38,233 INFO L413 NwaCegarLoop]: 1396 mSDtfsCounter, 5564 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 5921 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:38,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 5921 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-02 20:38:38,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-11-02 20:38:38,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 1746. [2022-11-02 20:38:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1717 states have (on average 1.388468258590565) internal successors, (2384), 1745 states have internal predecessors, (2384), 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) [2022-11-02 20:38:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2384 transitions. [2022-11-02 20:38:38,696 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2384 transitions. Word has length 113 [2022-11-02 20:38:38,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:38,696 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2384 transitions. [2022-11-02 20:38:38,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2022-11-02 20:38:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2384 transitions. [2022-11-02 20:38:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:38:38,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:38,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:38,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:38:38,702 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:38,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:38,703 INFO L85 PathProgramCache]: Analyzing trace with hash 295312468, now seen corresponding path program 1 times [2022-11-02 20:38:38,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:38,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31338788] [2022-11-02 20:38:38,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:38,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:39,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:39,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31338788] [2022-11-02 20:38:39,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31338788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:39,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:39,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:38:39,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024014939] [2022-11-02 20:38:39,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:39,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:38:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:39,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:38:39,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:39,458 INFO L87 Difference]: Start difference. First operand 1746 states and 2384 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:38:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:43,829 INFO L93 Difference]: Finished difference Result 3371 states and 4637 transitions. [2022-11-02 20:38:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:38:43,830 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:38:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:43,834 INFO L225 Difference]: With dead ends: 3371 [2022-11-02 20:38:43,835 INFO L226 Difference]: Without dead ends: 3145 [2022-11-02 20:38:43,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:38:43,837 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 8685 mSDsluCounter, 6507 mSDsCounter, 0 mSdLazyCounter, 5810 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8685 SdHoareTripleChecker+Valid, 7645 SdHoareTripleChecker+Invalid, 5941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 5810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:43,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8685 Valid, 7645 Invalid, 5941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 5810 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-02 20:38:43,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2022-11-02 20:38:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 1770. [2022-11-02 20:38:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1741 states have (on average 1.388856978747846) internal successors, (2418), 1769 states have internal predecessors, (2418), 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) [2022-11-02 20:38:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2418 transitions. [2022-11-02 20:38:44,236 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2418 transitions. Word has length 114 [2022-11-02 20:38:44,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:44,236 INFO L495 AbstractCegarLoop]: Abstraction has 1770 states and 2418 transitions. [2022-11-02 20:38:44,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:38:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2418 transitions. [2022-11-02 20:38:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:38:44,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:44,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:44,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:38:44,240 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:44,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:44,241 INFO L85 PathProgramCache]: Analyzing trace with hash -484632556, now seen corresponding path program 1 times [2022-11-02 20:38:44,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:44,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346626644] [2022-11-02 20:38:44,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:44,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:45,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:45,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346626644] [2022-11-02 20:38:45,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346626644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:45,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:45,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:38:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648970458] [2022-11-02 20:38:45,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:45,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:38:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:38:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:45,045 INFO L87 Difference]: Start difference. First operand 1770 states and 2418 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:38:49,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:49,376 INFO L93 Difference]: Finished difference Result 3452 states and 4739 transitions. [2022-11-02 20:38:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:38:49,376 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:38:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:49,381 INFO L225 Difference]: With dead ends: 3452 [2022-11-02 20:38:49,381 INFO L226 Difference]: Without dead ends: 3219 [2022-11-02 20:38:49,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:38:49,384 INFO L413 NwaCegarLoop]: 1098 mSDtfsCounter, 10957 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 4377 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10957 SdHoareTripleChecker+Valid, 5845 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 4377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:49,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10957 Valid, 5845 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 4377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 20:38:49,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-11-02 20:38:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 1780. [2022-11-02 20:38:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1751 states have (on average 1.3866362078812107) internal successors, (2428), 1779 states have internal predecessors, (2428), 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) [2022-11-02 20:38:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2428 transitions. [2022-11-02 20:38:49,819 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2428 transitions. Word has length 114 [2022-11-02 20:38:49,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:49,820 INFO L495 AbstractCegarLoop]: Abstraction has 1780 states and 2428 transitions. [2022-11-02 20:38:49,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:38:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2428 transitions. [2022-11-02 20:38:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:38:49,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:49,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:49,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:38:49,825 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:49,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:49,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1667199956, now seen corresponding path program 1 times [2022-11-02 20:38:49,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:49,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250109957] [2022-11-02 20:38:49,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:49,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:50,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:50,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250109957] [2022-11-02 20:38:50,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250109957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:50,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:50,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:38:50,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69333010] [2022-11-02 20:38:50,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:50,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:38:50,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:50,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:38:50,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:38:50,819 INFO L87 Difference]: Start difference. First operand 1780 states and 2428 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 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) [2022-11-02 20:38:54,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:54,656 INFO L93 Difference]: Finished difference Result 3018 states and 4180 transitions. [2022-11-02 20:38:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:38:54,657 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:38:54,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:54,660 INFO L225 Difference]: With dead ends: 3018 [2022-11-02 20:38:54,660 INFO L226 Difference]: Without dead ends: 2304 [2022-11-02 20:38:54,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:38:54,663 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 5862 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 3936 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5862 SdHoareTripleChecker+Valid, 5288 SdHoareTripleChecker+Invalid, 3984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:54,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5862 Valid, 5288 Invalid, 3984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3936 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-02 20:38:54,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-11-02 20:38:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 1746. [2022-11-02 20:38:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1717 states have (on average 1.3873034362259755) internal successors, (2382), 1745 states have internal predecessors, (2382), 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) [2022-11-02 20:38:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2382 transitions. [2022-11-02 20:38:55,123 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2382 transitions. Word has length 114 [2022-11-02 20:38:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:55,124 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2382 transitions. [2022-11-02 20:38:55,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 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) [2022-11-02 20:38:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2382 transitions. [2022-11-02 20:38:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:38:55,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:55,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:55,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:38:55,127 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:38:55,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:55,128 INFO L85 PathProgramCache]: Analyzing trace with hash 65024596, now seen corresponding path program 1 times [2022-11-02 20:38:55,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:55,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094987770] [2022-11-02 20:38:55,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:38:55,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:55,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094987770] [2022-11-02 20:38:55,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094987770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:55,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:55,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:38:55,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683324906] [2022-11-02 20:38:55,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:55,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:38:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:55,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:38:55,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:55,908 INFO L87 Difference]: Start difference. First operand 1746 states and 2382 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:39:00,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:00,259 INFO L93 Difference]: Finished difference Result 3270 states and 4500 transitions. [2022-11-02 20:39:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:39:00,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:00,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:00,262 INFO L225 Difference]: With dead ends: 3270 [2022-11-02 20:39:00,262 INFO L226 Difference]: Without dead ends: 3071 [2022-11-02 20:39:00,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:39:00,264 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 10220 mSDsluCounter, 5933 mSDsCounter, 0 mSdLazyCounter, 5409 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10220 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 5551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 5409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:00,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10220 Valid, 7072 Invalid, 5551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 5409 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-02 20:39:00,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2022-11-02 20:39:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 1755. [2022-11-02 20:39:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1726 states have (on average 1.3870220162224798) internal successors, (2394), 1754 states have internal predecessors, (2394), 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) [2022-11-02 20:39:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2394 transitions. [2022-11-02 20:39:00,746 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2394 transitions. Word has length 114 [2022-11-02 20:39:00,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:00,747 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2394 transitions. [2022-11-02 20:39:00,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:39:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2394 transitions. [2022-11-02 20:39:00,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:39:00,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:00,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:00,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 20:39:00,749 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:00,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1696345492, now seen corresponding path program 1 times [2022-11-02 20:39:00,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:00,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29885732] [2022-11-02 20:39:00,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:01,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:01,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29885732] [2022-11-02 20:39:01,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29885732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:01,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:01,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:39:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829408600] [2022-11-02 20:39:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:01,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:39:01,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:39:01,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:01,342 INFO L87 Difference]: Start difference. First operand 1755 states and 2394 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:39:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:06,174 INFO L93 Difference]: Finished difference Result 3445 states and 4737 transitions. [2022-11-02 20:39:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:39:06,175 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:06,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:06,178 INFO L225 Difference]: With dead ends: 3445 [2022-11-02 20:39:06,178 INFO L226 Difference]: Without dead ends: 3203 [2022-11-02 20:39:06,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:39:06,180 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 6304 mSDsluCounter, 7887 mSDsCounter, 0 mSdLazyCounter, 6786 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6304 SdHoareTripleChecker+Valid, 9353 SdHoareTripleChecker+Invalid, 6849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 6786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:06,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6304 Valid, 9353 Invalid, 6849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 6786 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-02 20:39:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-11-02 20:39:06,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 1755. [2022-11-02 20:39:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1726 states have (on average 1.3864426419466975) internal successors, (2393), 1754 states have internal predecessors, (2393), 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) [2022-11-02 20:39:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2393 transitions. [2022-11-02 20:39:06,737 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2393 transitions. Word has length 114 [2022-11-02 20:39:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:06,737 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2393 transitions. [2022-11-02 20:39:06,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:39:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2393 transitions. [2022-11-02 20:39:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:39:06,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:06,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:06,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-02 20:39:06,740 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:06,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:06,741 INFO L85 PathProgramCache]: Analyzing trace with hash 593772756, now seen corresponding path program 1 times [2022-11-02 20:39:06,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:06,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317617808] [2022-11-02 20:39:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:06,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:07,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:07,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317617808] [2022-11-02 20:39:07,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317617808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:07,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:07,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:39:07,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412775372] [2022-11-02 20:39:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:07,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:39:07,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:07,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:39:07,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:07,484 INFO L87 Difference]: Start difference. First operand 1755 states and 2393 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:39:11,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:11,939 INFO L93 Difference]: Finished difference Result 3301 states and 4540 transitions. [2022-11-02 20:39:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:39:11,942 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:11,947 INFO L225 Difference]: With dead ends: 3301 [2022-11-02 20:39:11,947 INFO L226 Difference]: Without dead ends: 3102 [2022-11-02 20:39:11,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:39:11,949 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 4519 mSDsluCounter, 5451 mSDsCounter, 0 mSdLazyCounter, 5076 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 6661 SdHoareTripleChecker+Invalid, 5146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 5076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:11,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4519 Valid, 6661 Invalid, 5146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 5076 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-02 20:39:11,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2022-11-02 20:39:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 1760. [2022-11-02 20:39:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3853264009243211) internal successors, (2398), 1759 states have internal predecessors, (2398), 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) [2022-11-02 20:39:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2398 transitions. [2022-11-02 20:39:12,336 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2398 transitions. Word has length 114 [2022-11-02 20:39:12,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:12,337 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2398 transitions. [2022-11-02 20:39:12,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2022-11-02 20:39:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2398 transitions. [2022-11-02 20:39:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:39:12,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:12,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:12,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-02 20:39:12,339 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:12,340 INFO L85 PathProgramCache]: Analyzing trace with hash -13080044, now seen corresponding path program 1 times [2022-11-02 20:39:12,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:12,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500383912] [2022-11-02 20:39:12,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:12,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:12,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500383912] [2022-11-02 20:39:12,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500383912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:12,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:12,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:12,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816244658] [2022-11-02 20:39:12,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:12,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:12,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:12,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:12,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:12,834 INFO L87 Difference]: Start difference. First operand 1760 states and 2398 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:16,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:16,669 INFO L93 Difference]: Finished difference Result 3378 states and 4669 transitions. [2022-11-02 20:39:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:39:16,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:16,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:16,677 INFO L225 Difference]: With dead ends: 3378 [2022-11-02 20:39:16,677 INFO L226 Difference]: Without dead ends: 3074 [2022-11-02 20:39:16,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:16,679 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 8821 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8821 SdHoareTripleChecker+Valid, 5346 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:16,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8821 Valid, 5346 Invalid, 3874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 3830 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-02 20:39:16,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3074 states. [2022-11-02 20:39:17,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3074 to 1760. [2022-11-02 20:39:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3847487001733103) internal successors, (2397), 1759 states have internal predecessors, (2397), 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) [2022-11-02 20:39:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2397 transitions. [2022-11-02 20:39:17,121 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2397 transitions. Word has length 114 [2022-11-02 20:39:17,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:17,121 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2397 transitions. [2022-11-02 20:39:17,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2397 transitions. [2022-11-02 20:39:17,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:39:17,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:17,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:17,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-02 20:39:17,126 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:17,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1189391956, now seen corresponding path program 1 times [2022-11-02 20:39:17,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:17,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527745284] [2022-11-02 20:39:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:17,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:17,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:17,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527745284] [2022-11-02 20:39:17,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527745284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:17,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:17,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:17,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650537578] [2022-11-02 20:39:17,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:17,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:17,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:17,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:17,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:17,669 INFO L87 Difference]: Start difference. First operand 1760 states and 2397 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:21,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:21,597 INFO L93 Difference]: Finished difference Result 3059 states and 4162 transitions. [2022-11-02 20:39:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:39:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:21,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:21,602 INFO L225 Difference]: With dead ends: 3059 [2022-11-02 20:39:21,602 INFO L226 Difference]: Without dead ends: 2883 [2022-11-02 20:39:21,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:21,604 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 8669 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8669 SdHoareTripleChecker+Valid, 3864 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:21,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8669 Valid, 3864 Invalid, 3607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-02 20:39:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2022-11-02 20:39:22,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 1760. [2022-11-02 20:39:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3841709994222993) internal successors, (2396), 1759 states have internal predecessors, (2396), 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) [2022-11-02 20:39:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2396 transitions. [2022-11-02 20:39:22,170 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2396 transitions. Word has length 114 [2022-11-02 20:39:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:22,170 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2396 transitions. [2022-11-02 20:39:22,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2396 transitions. [2022-11-02 20:39:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:39:22,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:22,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:22,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-02 20:39:22,174 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:22,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:22,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1486418668, now seen corresponding path program 1 times [2022-11-02 20:39:22,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:22,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981857219] [2022-11-02 20:39:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:22,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:22,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981857219] [2022-11-02 20:39:22,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981857219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:22,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:22,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:22,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006988844] [2022-11-02 20:39:22,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:22,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:22,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:22,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:22,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:22,676 INFO L87 Difference]: Start difference. First operand 1760 states and 2396 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:26,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:26,998 INFO L93 Difference]: Finished difference Result 3280 states and 4528 transitions. [2022-11-02 20:39:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:39:26,998 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:26,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:27,002 INFO L225 Difference]: With dead ends: 3280 [2022-11-02 20:39:27,003 INFO L226 Difference]: Without dead ends: 3052 [2022-11-02 20:39:27,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:27,005 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 5371 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5371 SdHoareTripleChecker+Valid, 6091 SdHoareTripleChecker+Invalid, 4454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:27,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5371 Valid, 6091 Invalid, 4454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-02 20:39:27,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-11-02 20:39:27,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 1760. [2022-11-02 20:39:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3835932986712882) internal successors, (2395), 1759 states have internal predecessors, (2395), 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) [2022-11-02 20:39:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2395 transitions. [2022-11-02 20:39:27,534 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2395 transitions. Word has length 114 [2022-11-02 20:39:27,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:27,534 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2395 transitions. [2022-11-02 20:39:27,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2395 transitions. [2022-11-02 20:39:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:39:27,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:27,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:27,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-02 20:39:27,539 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -404323814, now seen corresponding path program 1 times [2022-11-02 20:39:27,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:27,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921035768] [2022-11-02 20:39:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:28,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:28,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921035768] [2022-11-02 20:39:28,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921035768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:28,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:28,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:28,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360132005] [2022-11-02 20:39:28,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:28,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:28,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:28,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:28,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:28,006 INFO L87 Difference]: Start difference. First operand 1760 states and 2395 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:32,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:32,024 INFO L93 Difference]: Finished difference Result 3150 states and 4323 transitions. [2022-11-02 20:39:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:39:32,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) Word has length 114 [2022-11-02 20:39:32,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:32,028 INFO L225 Difference]: With dead ends: 3150 [2022-11-02 20:39:32,028 INFO L226 Difference]: Without dead ends: 2971 [2022-11-02 20:39:32,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:32,031 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 5168 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5168 SdHoareTripleChecker+Valid, 4320 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:32,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5168 Valid, 4320 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-02 20:39:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2022-11-02 20:39:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 1760. [2022-11-02 20:39:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3830155979202774) internal successors, (2394), 1759 states have internal predecessors, (2394), 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) [2022-11-02 20:39:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2394 transitions. [2022-11-02 20:39:32,544 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2394 transitions. Word has length 114 [2022-11-02 20:39:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:32,544 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2394 transitions. [2022-11-02 20:39:32,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-11-02 20:39:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2394 transitions. [2022-11-02 20:39:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:39:32,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:32,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:32,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-02 20:39:32,547 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:32,547 INFO L85 PathProgramCache]: Analyzing trace with hash 519576363, now seen corresponding path program 1 times [2022-11-02 20:39:32,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:32,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815058022] [2022-11-02 20:39:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:32,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:33,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:33,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815058022] [2022-11-02 20:39:33,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815058022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:33,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:33,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:33,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412137990] [2022-11-02 20:39:33,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:33,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:33,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:33,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:33,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:33,140 INFO L87 Difference]: Start difference. First operand 1760 states and 2394 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:39:38,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:38,093 INFO L93 Difference]: Finished difference Result 3242 states and 4465 transitions. [2022-11-02 20:39:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:39:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:39:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:38,097 INFO L225 Difference]: With dead ends: 3242 [2022-11-02 20:39:38,098 INFO L226 Difference]: Without dead ends: 3024 [2022-11-02 20:39:38,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:38,100 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 7156 mSDsluCounter, 5022 mSDsCounter, 0 mSdLazyCounter, 4544 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:38,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7156 Valid, 6217 Invalid, 4643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4544 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-02 20:39:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2022-11-02 20:39:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 1760. [2022-11-02 20:39:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3818601964182553) internal successors, (2392), 1759 states have internal predecessors, (2392), 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) [2022-11-02 20:39:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2392 transitions. [2022-11-02 20:39:38,931 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2392 transitions. Word has length 115 [2022-11-02 20:39:38,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:38,931 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2392 transitions. [2022-11-02 20:39:38,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:39:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2392 transitions. [2022-11-02 20:39:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:39:38,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:38,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:38,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-02 20:39:38,936 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:38,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash 650049387, now seen corresponding path program 1 times [2022-11-02 20:39:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:38,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149107049] [2022-11-02 20:39:38,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:39,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:39,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149107049] [2022-11-02 20:39:39,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149107049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:39,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:39,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:39:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164166816] [2022-11-02 20:39:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:39,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:39:39,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:39,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:39:39,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:39,679 INFO L87 Difference]: Start difference. First operand 1760 states and 2392 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2022-11-02 20:39:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:45,093 INFO L93 Difference]: Finished difference Result 3205 states and 4337 transitions. [2022-11-02 20:39:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:39:45,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:39:45,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:45,098 INFO L225 Difference]: With dead ends: 3205 [2022-11-02 20:39:45,098 INFO L226 Difference]: Without dead ends: 3032 [2022-11-02 20:39:45,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:39:45,101 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 7395 mSDsluCounter, 4471 mSDsCounter, 0 mSdLazyCounter, 4537 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7395 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 4866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 4537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:45,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7395 Valid, 5420 Invalid, 4866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 4537 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-02 20:39:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-11-02 20:39:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 1771. [2022-11-02 20:39:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1742 states have (on average 1.3823191733639495) internal successors, (2408), 1770 states have internal predecessors, (2408), 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) [2022-11-02 20:39:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2408 transitions. [2022-11-02 20:39:45,796 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2408 transitions. Word has length 115 [2022-11-02 20:39:45,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:45,797 INFO L495 AbstractCegarLoop]: Abstraction has 1771 states and 2408 transitions. [2022-11-02 20:39:45,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2022-11-02 20:39:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2408 transitions. [2022-11-02 20:39:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:39:45,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:45,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:45,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-02 20:39:45,800 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:45,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:45,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1603323979, now seen corresponding path program 1 times [2022-11-02 20:39:45,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:45,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494436975] [2022-11-02 20:39:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:45,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:46,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:46,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494436975] [2022-11-02 20:39:46,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494436975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:46,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:46,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:39:46,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926002663] [2022-11-02 20:39:46,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:46,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:39:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:46,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:39:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:46,474 INFO L87 Difference]: Start difference. First operand 1771 states and 2408 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2022-11-02 20:39:51,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:51,712 INFO L93 Difference]: Finished difference Result 3207 states and 4339 transitions. [2022-11-02 20:39:51,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:39:51,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:39:51,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:51,716 INFO L225 Difference]: With dead ends: 3207 [2022-11-02 20:39:51,716 INFO L226 Difference]: Without dead ends: 3034 [2022-11-02 20:39:51,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:39:51,718 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 8968 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 4208 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8968 SdHoareTripleChecker+Valid, 4923 SdHoareTripleChecker+Invalid, 4588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 4208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:51,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8968 Valid, 4923 Invalid, 4588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 4208 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-02 20:39:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2022-11-02 20:39:52,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 1785. [2022-11-02 20:39:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1756 states have (on average 1.382118451025057) internal successors, (2427), 1784 states have internal predecessors, (2427), 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) [2022-11-02 20:39:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2427 transitions. [2022-11-02 20:39:52,218 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2427 transitions. Word has length 115 [2022-11-02 20:39:52,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:52,218 INFO L495 AbstractCegarLoop]: Abstraction has 1785 states and 2427 transitions. [2022-11-02 20:39:52,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2022-11-02 20:39:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2427 transitions. [2022-11-02 20:39:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:39:52,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:52,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:52,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-02 20:39:52,224 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:52,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:52,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2105452661, now seen corresponding path program 1 times [2022-11-02 20:39:52,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:52,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488764769] [2022-11-02 20:39:52,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:52,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:52,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:52,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488764769] [2022-11-02 20:39:52,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488764769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:52,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:52,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:52,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013988228] [2022-11-02 20:39:52,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:52,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:52,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:52,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:52,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:52,871 INFO L87 Difference]: Start difference. First operand 1785 states and 2427 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:39:56,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:56,725 INFO L93 Difference]: Finished difference Result 2416 states and 3329 transitions. [2022-11-02 20:39:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:39:56,726 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:39:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:56,729 INFO L225 Difference]: With dead ends: 2416 [2022-11-02 20:39:56,729 INFO L226 Difference]: Without dead ends: 1997 [2022-11-02 20:39:56,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:56,732 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 5190 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 3567 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5190 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:56,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5190 Valid, 5003 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 3567 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-02 20:39:56,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2022-11-02 20:39:57,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1734. [2022-11-02 20:39:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3835777126099706) internal successors, (2359), 1733 states have internal predecessors, (2359), 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) [2022-11-02 20:39:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2359 transitions. [2022-11-02 20:39:57,278 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2359 transitions. Word has length 115 [2022-11-02 20:39:57,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:57,278 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2359 transitions. [2022-11-02 20:39:57,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:39:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2359 transitions. [2022-11-02 20:39:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:39:57,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:57,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:57,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-02 20:39:57,283 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:39:57,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1088967413, now seen corresponding path program 1 times [2022-11-02 20:39:57,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:57,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972749992] [2022-11-02 20:39:57,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:57,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:57,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972749992] [2022-11-02 20:39:57,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972749992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:57,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:57,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:57,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872623086] [2022-11-02 20:39:57,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:57,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:57,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:57,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:57,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:57,734 INFO L87 Difference]: Start difference. First operand 1734 states and 2359 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:02,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:02,083 INFO L93 Difference]: Finished difference Result 3186 states and 4391 transitions. [2022-11-02 20:40:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:40:02,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:40:02,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:02,088 INFO L225 Difference]: With dead ends: 3186 [2022-11-02 20:40:02,089 INFO L226 Difference]: Without dead ends: 2993 [2022-11-02 20:40:02,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:40:02,091 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 6307 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6307 SdHoareTripleChecker+Valid, 4774 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:02,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6307 Valid, 4774 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3554 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-02 20:40:02,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-11-02 20:40:02,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-11-02 20:40:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3829912023460411) internal successors, (2358), 1733 states have internal predecessors, (2358), 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) [2022-11-02 20:40:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2358 transitions. [2022-11-02 20:40:02,623 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2358 transitions. Word has length 115 [2022-11-02 20:40:02,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:02,623 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2358 transitions. [2022-11-02 20:40:02,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2358 transitions. [2022-11-02 20:40:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:40:02,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:02,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:02,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-02 20:40:02,628 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:40:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:02,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2070030155, now seen corresponding path program 1 times [2022-11-02 20:40:02,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:02,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134373993] [2022-11-02 20:40:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:03,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:03,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134373993] [2022-11-02 20:40:03,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134373993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:03,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:03,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:03,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900341158] [2022-11-02 20:40:03,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:03,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:40:03,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:03,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:40:03,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:40:03,123 INFO L87 Difference]: Start difference. First operand 1734 states and 2358 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:07,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:07,314 INFO L93 Difference]: Finished difference Result 3244 states and 4477 transitions. [2022-11-02 20:40:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:40:07,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:40:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:07,318 INFO L225 Difference]: With dead ends: 3244 [2022-11-02 20:40:07,318 INFO L226 Difference]: Without dead ends: 3017 [2022-11-02 20:40:07,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:40:07,320 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 3667 mSDsluCounter, 4712 mSDsCounter, 0 mSdLazyCounter, 4471 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 4504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:07,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 6184 Invalid, 4504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 4471 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-02 20:40:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-11-02 20:40:07,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1734. [2022-11-02 20:40:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3824046920821114) internal successors, (2357), 1733 states have internal predecessors, (2357), 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) [2022-11-02 20:40:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2357 transitions. [2022-11-02 20:40:07,820 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2357 transitions. Word has length 115 [2022-11-02 20:40:07,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:07,821 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2357 transitions. [2022-11-02 20:40:07,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2357 transitions. [2022-11-02 20:40:07,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:40:07,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:07,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:07,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-02 20:40:07,824 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:40:07,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:07,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1614159349, now seen corresponding path program 1 times [2022-11-02 20:40:07,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:07,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657364497] [2022-11-02 20:40:07,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:07,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:08,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:08,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657364497] [2022-11-02 20:40:08,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657364497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:08,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:08,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:08,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561999895] [2022-11-02 20:40:08,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:08,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:40:08,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:08,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:40:08,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:40:08,217 INFO L87 Difference]: Start difference. First operand 1734 states and 2357 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:12,653 INFO L93 Difference]: Finished difference Result 3187 states and 4390 transitions. [2022-11-02 20:40:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:40:12,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:40:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:12,657 INFO L225 Difference]: With dead ends: 3187 [2022-11-02 20:40:12,657 INFO L226 Difference]: Without dead ends: 2993 [2022-11-02 20:40:12,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:40:12,658 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 5957 mSDsluCounter, 3948 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5957 SdHoareTripleChecker+Valid, 5160 SdHoareTripleChecker+Invalid, 3947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:12,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5957 Valid, 5160 Invalid, 3947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-02 20:40:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-11-02 20:40:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-11-02 20:40:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3818181818181818) internal successors, (2356), 1733 states have internal predecessors, (2356), 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) [2022-11-02 20:40:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2356 transitions. [2022-11-02 20:40:13,192 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2356 transitions. Word has length 115 [2022-11-02 20:40:13,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:13,193 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2356 transitions. [2022-11-02 20:40:13,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2356 transitions. [2022-11-02 20:40:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:40:13,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:13,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:13,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-02 20:40:13,197 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:40:13,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:13,197 INFO L85 PathProgramCache]: Analyzing trace with hash -31670965, now seen corresponding path program 1 times [2022-11-02 20:40:13,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:13,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013161978] [2022-11-02 20:40:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:13,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:13,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:13,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013161978] [2022-11-02 20:40:13,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013161978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:13,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:13,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:13,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242866896] [2022-11-02 20:40:13,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:13,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:40:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:13,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:40:13,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:40:13,661 INFO L87 Difference]: Start difference. First operand 1734 states and 2356 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:17,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:17,870 INFO L93 Difference]: Finished difference Result 3030 states and 4117 transitions. [2022-11-02 20:40:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:40:17,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:40:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:17,875 INFO L225 Difference]: With dead ends: 3030 [2022-11-02 20:40:17,875 INFO L226 Difference]: Without dead ends: 2857 [2022-11-02 20:40:17,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:40:17,876 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 4494 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4494 SdHoareTripleChecker+Valid, 3895 SdHoareTripleChecker+Invalid, 3336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:17,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4494 Valid, 3895 Invalid, 3336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-02 20:40:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-11-02 20:40:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-11-02 20:40:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3812316715542523) internal successors, (2355), 1733 states have internal predecessors, (2355), 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) [2022-11-02 20:40:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2355 transitions. [2022-11-02 20:40:18,410 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2355 transitions. Word has length 115 [2022-11-02 20:40:18,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:18,410 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2355 transitions. [2022-11-02 20:40:18,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2355 transitions. [2022-11-02 20:40:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:40:18,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:18,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:18,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-02 20:40:18,414 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:40:18,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash -890996981, now seen corresponding path program 1 times [2022-11-02 20:40:18,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:18,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296898542] [2022-11-02 20:40:18,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:18,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:18,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:18,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296898542] [2022-11-02 20:40:18,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296898542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:18,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:18,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:18,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609274085] [2022-11-02 20:40:18,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:18,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:40:18,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:18,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:40:18,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:40:18,995 INFO L87 Difference]: Start difference. First operand 1734 states and 2355 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:23,909 INFO L93 Difference]: Finished difference Result 3184 states and 4383 transitions. [2022-11-02 20:40:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:40:23,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:40:23,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:23,913 INFO L225 Difference]: With dead ends: 3184 [2022-11-02 20:40:23,913 INFO L226 Difference]: Without dead ends: 2993 [2022-11-02 20:40:23,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:40:23,914 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 7674 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 4276 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7674 SdHoareTripleChecker+Valid, 5874 SdHoareTripleChecker+Invalid, 4378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 4276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:23,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7674 Valid, 5874 Invalid, 4378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 4276 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 20:40:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-11-02 20:40:24,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-11-02 20:40:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3806451612903226) internal successors, (2354), 1733 states have internal predecessors, (2354), 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) [2022-11-02 20:40:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2354 transitions. [2022-11-02 20:40:24,451 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2354 transitions. Word has length 115 [2022-11-02 20:40:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:24,451 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2354 transitions. [2022-11-02 20:40:24,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2354 transitions. [2022-11-02 20:40:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-02 20:40:24,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:24,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:24,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-02 20:40:24,455 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:40:24,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash 664895691, now seen corresponding path program 1 times [2022-11-02 20:40:24,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:24,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478100792] [2022-11-02 20:40:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:25,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:25,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478100792] [2022-11-02 20:40:25,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478100792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:25,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:25,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154946256] [2022-11-02 20:40:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:25,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:40:25,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:40:25,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:40:25,074 INFO L87 Difference]: Start difference. First operand 1734 states and 2354 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:30,114 INFO L93 Difference]: Finished difference Result 3122 states and 4278 transitions. [2022-11-02 20:40:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:40:30,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) Word has length 115 [2022-11-02 20:40:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:30,118 INFO L225 Difference]: With dead ends: 3122 [2022-11-02 20:40:30,119 INFO L226 Difference]: Without dead ends: 2945 [2022-11-02 20:40:30,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:40:30,120 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 7352 mSDsluCounter, 4456 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7352 SdHoareTripleChecker+Valid, 5492 SdHoareTripleChecker+Invalid, 4241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:30,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7352 Valid, 5492 Invalid, 4241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 4053 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-02 20:40:30,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-11-02 20:40:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-11-02 20:40:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.380058651026393) internal successors, (2353), 1733 states have internal predecessors, (2353), 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) [2022-11-02 20:40:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2353 transitions. [2022-11-02 20:40:30,679 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2353 transitions. Word has length 115 [2022-11-02 20:40:30,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:30,679 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2353 transitions. [2022-11-02 20:40:30,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-02 20:40:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2353 transitions. [2022-11-02 20:40:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 20:40:30,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:30,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:30,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-02 20:40:30,683 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-02 20:40:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1624407687, now seen corresponding path program 1 times [2022-11-02 20:40:30,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:30,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121936826] [2022-11-02 20:40:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:30,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:31,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:31,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121936826] [2022-11-02 20:40:31,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121936826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:31,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:31,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:31,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619945434] [2022-11-02 20:40:31,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:31,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:40:31,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:31,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:40:31,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:40:31,128 INFO L87 Difference]: Start difference. First operand 1734 states and 2353 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 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)