./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro --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 dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 --- 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-8393723 [2022-11-18 19:43:46,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:43:46,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:43:46,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:43:46,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:43:46,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:43:46,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:43:46,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:43:46,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:43:46,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:43:46,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:43:46,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:43:46,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:43:46,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:43:46,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:43:46,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:43:46,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:43:46,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:43:46,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:43:46,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:43:46,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:43:47,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:43:47,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:43:47,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:43:47,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:43:47,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:43:47,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:43:47,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:43:47,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:43:47,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:43:47,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:43:47,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:43:47,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:43:47,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:43:47,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:43:47,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:43:47,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:43:47,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:43:47,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:43:47,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:43:47,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:43:47,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:43:47,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:43:47,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:43:47,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:43:47,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:43:47,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:43:47,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:43:47,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:43:47,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:43:47,113 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:43:47,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:43:47,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:43:47,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:43:47,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:43:47,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:43:47,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:43:47,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:43:47,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:43:47,118 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:43:47,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:43:47,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:43:47,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:43:47,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:43:47,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:43:47,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:43:47,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:43:47,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:43:47,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:43:47,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:43:47,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:43:47,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:43:47,126 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:43:47,126 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:43:47,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:43:47,128 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 [2022-11-18 19:43:47,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:43:47,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:43:47,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:43:47,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:43:47,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:43:47,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-11-18 19:43:47,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/data/daaf772cd/47e0a79a11764b04b8af36597404972c/FLAG786ccfc66 [2022-11-18 19:43:48,683 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:43:48,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-11-18 19:43:48,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/data/daaf772cd/47e0a79a11764b04b8af36597404972c/FLAG786ccfc66 [2022-11-18 19:43:48,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/data/daaf772cd/47e0a79a11764b04b8af36597404972c [2022-11-18 19:43:48,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:43:48,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:43:48,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:43:48,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:43:48,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:43:48,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:43:48" (1/1) ... [2022-11-18 19:43:48,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f9f2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:48, skipping insertion in model container [2022-11-18 19:43:48,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:43:48" (1/1) ... [2022-11-18 19:43:48,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:43:48,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:43:49,562 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2022-11-18 19:43:49,613 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2022-11-18 19:43:49,625 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2022-11-18 19:43:49,641 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2022-11-18 19:43:49,658 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2022-11-18 19:43:49,678 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2022-11-18 19:43:49,688 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2022-11-18 19:43:49,710 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2022-11-18 19:43:49,725 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2022-11-18 19:43:49,739 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2022-11-18 19:43:49,756 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2022-11-18 19:43:49,782 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2022-11-18 19:43:49,796 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2022-11-18 19:43:49,804 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2022-11-18 19:43:49,818 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2022-11-18 19:43:49,841 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2022-11-18 19:43:50,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:43:50,133 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:43:50,282 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2022-11-18 19:43:50,320 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2022-11-18 19:43:50,337 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2022-11-18 19:43:50,349 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2022-11-18 19:43:50,377 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2022-11-18 19:43:50,395 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2022-11-18 19:43:50,415 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2022-11-18 19:43:50,449 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2022-11-18 19:43:50,460 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2022-11-18 19:43:50,476 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2022-11-18 19:43:50,504 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2022-11-18 19:43:50,591 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2022-11-18 19:43:50,603 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2022-11-18 19:43:50,613 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2022-11-18 19:43:50,625 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2022-11-18 19:43:50,642 WARN L234 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_a07a51e5-59ca-4c39-ad78-0d3a37b52329/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2022-11-18 19:43:50,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:43:50,841 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:43:50,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50 WrapperNode [2022-11-18 19:43:50,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:43:50,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:43:50,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:43:50,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:43:50,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:50,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,028 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3342 [2022-11-18 19:43:51,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:43:51,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:43:51,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:43:51,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:43:51,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:43:51,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:43:51,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:43:51,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:43:51,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (1/1) ... [2022-11-18 19:43:51,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:43:51,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:51,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:43:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07a51e5-59ca-4c39-ad78-0d3a37b52329/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:43:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:43:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:43:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:43:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:43:51,663 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:43:51,666 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:43:54,695 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:43:54,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:43:54,721 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:43:54,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:54 BoogieIcfgContainer [2022-11-18 19:43:54,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:43:54,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:43:54,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:43:54,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:43:54,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:43:48" (1/3) ... [2022-11-18 19:43:54,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9e0848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:43:54, skipping insertion in model container [2022-11-18 19:43:54,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:50" (2/3) ... [2022-11-18 19:43:54,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9e0848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:43:54, skipping insertion in model container [2022-11-18 19:43:54,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:54" (3/3) ... [2022-11-18 19:43:54,741 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-11-18 19:43:54,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:43:54,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-18 19:43:54,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:43:54,896 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;@3f3a1ddf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:43:54,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-18 19:43:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 626 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 625 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 19:43:54,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:54,950 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] [2022-11-18 19:43:54,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:43:54,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash -50607350, now seen corresponding path program 1 times [2022-11-18 19:43:54,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:54,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991148840] [2022-11-18 19:43:54,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:54,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:56,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:56,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991148840] [2022-11-18 19:43:56,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991148840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:56,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:56,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:43:56,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351327363] [2022-11-18 19:43:56,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:56,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:43:56,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:56,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:43:56,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:43:56,101 INFO L87 Difference]: Start difference. First operand has 626 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 625 states have internal predecessors, (1127), 0 states have call successors, (0), 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 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:57,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:57,274 INFO L93 Difference]: Finished difference Result 1184 states and 2033 transitions. [2022-11-18 19:43:57,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:43:57,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-11-18 19:43:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:57,302 INFO L225 Difference]: With dead ends: 1184 [2022-11-18 19:43:57,302 INFO L226 Difference]: Without dead ends: 711 [2022-11-18 19:43:57,316 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 [2022-11-18 19:43:57,325 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 3196 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:57,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3196 Valid, 818 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 19:43:57,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-18 19:43:57,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 651. [2022-11-18 19:43:57,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 635 states have (on average 1.3653543307086615) internal successors, (867), 650 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 867 transitions. [2022-11-18 19:43:57,510 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 867 transitions. Word has length 71 [2022-11-18 19:43:57,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:57,511 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 867 transitions. [2022-11-18 19:43:57,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 867 transitions. [2022-11-18 19:43:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-18 19:43:57,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:57,521 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] [2022-11-18 19:43:57,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:43:57,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:43:57,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:57,525 INFO L85 PathProgramCache]: Analyzing trace with hash -329897172, now seen corresponding path program 1 times [2022-11-18 19:43:57,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:57,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368685253] [2022-11-18 19:43:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:57,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:57,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:57,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368685253] [2022-11-18 19:43:57,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368685253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:57,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:57,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:43:57,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891746031] [2022-11-18 19:43:57,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:57,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:43:57,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:57,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:43:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:43:57,924 INFO L87 Difference]: Start difference. First operand 651 states and 867 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:58,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:58,618 INFO L93 Difference]: Finished difference Result 1140 states and 1557 transitions. [2022-11-18 19:43:58,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:43:58,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-11-18 19:43:58,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:58,625 INFO L225 Difference]: With dead ends: 1140 [2022-11-18 19:43:58,625 INFO L226 Difference]: Without dead ends: 611 [2022-11-18 19:43:58,628 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 [2022-11-18 19:43:58,629 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 1651 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:58,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 328 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:43:58,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-11-18 19:43:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2022-11-18 19:43:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 595 states have (on average 1.373109243697479) internal successors, (817), 610 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 817 transitions. [2022-11-18 19:43:58,707 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 817 transitions. Word has length 72 [2022-11-18 19:43:58,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:58,708 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 817 transitions. [2022-11-18 19:43:58,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 817 transitions. [2022-11-18 19:43:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 19:43:58,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:58,711 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] [2022-11-18 19:43:58,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:43:58,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:43:58,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:58,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1203518485, now seen corresponding path program 1 times [2022-11-18 19:43:58,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:58,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518531494] [2022-11-18 19:43:58,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:58,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:58,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518531494] [2022-11-18 19:43:58,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518531494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:58,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:58,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:43:58,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896736608] [2022-11-18 19:43:58,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:58,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:43:58,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:58,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:43:58,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:43:58,935 INFO L87 Difference]: Start difference. First operand 611 states and 817 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:59,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:59,550 INFO L93 Difference]: Finished difference Result 1100 states and 1505 transitions. [2022-11-18 19:43:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:43:59,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-11-18 19:43:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:59,557 INFO L225 Difference]: With dead ends: 1100 [2022-11-18 19:43:59,558 INFO L226 Difference]: Without dead ends: 579 [2022-11-18 19:43:59,559 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 [2022-11-18 19:43:59,565 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1558 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:59,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 322 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:43:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2022-11-18 19:43:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2022-11-18 19:43:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 563 states have (on average 1.3836589698046182) internal successors, (779), 578 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 779 transitions. [2022-11-18 19:43:59,634 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 779 transitions. Word has length 73 [2022-11-18 19:43:59,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:59,635 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 779 transitions. [2022-11-18 19:43:59,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 779 transitions. [2022-11-18 19:43:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 19:43:59,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:59,642 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] [2022-11-18 19:43:59,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:43:59,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:43:59,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:59,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2052061875, now seen corresponding path program 1 times [2022-11-18 19:43:59,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:59,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556701146] [2022-11-18 19:43:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:59,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:59,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:59,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556701146] [2022-11-18 19:43:59,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556701146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:59,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:59,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:43:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642051709] [2022-11-18 19:43:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:59,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:43:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:59,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:43:59,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:43:59,984 INFO L87 Difference]: Start difference. First operand 579 states and 779 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:00,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:00,506 INFO L93 Difference]: Finished difference Result 1068 states and 1465 transitions. [2022-11-18 19:44:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:44:00,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-11-18 19:44:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:00,511 INFO L225 Difference]: With dead ends: 1068 [2022-11-18 19:44:00,511 INFO L226 Difference]: Without dead ends: 554 [2022-11-18 19:44:00,512 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 [2022-11-18 19:44:00,514 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1500 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:00,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 309 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:44:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2022-11-18 19:44:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2022-11-18 19:44:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 538 states have (on average 1.3940520446096654) internal successors, (750), 553 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 750 transitions. [2022-11-18 19:44:00,578 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 750 transitions. Word has length 74 [2022-11-18 19:44:00,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:00,580 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 750 transitions. [2022-11-18 19:44:00,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 750 transitions. [2022-11-18 19:44:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-18 19:44:00,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:00,583 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] [2022-11-18 19:44:00,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:44:00,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:00,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1326375668, now seen corresponding path program 1 times [2022-11-18 19:44:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:00,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188990531] [2022-11-18 19:44:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:00,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:00,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188990531] [2022-11-18 19:44:00,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188990531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:00,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:00,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:44:00,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214004089] [2022-11-18 19:44:00,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:00,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:44:00,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:00,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:44:00,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:44:00,796 INFO L87 Difference]: Start difference. First operand 554 states and 750 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:01,312 INFO L93 Difference]: Finished difference Result 1043 states and 1434 transitions. [2022-11-18 19:44:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:44:01,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-11-18 19:44:01,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:01,316 INFO L225 Difference]: With dead ends: 1043 [2022-11-18 19:44:01,316 INFO L226 Difference]: Without dead ends: 543 [2022-11-18 19:44:01,317 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 [2022-11-18 19:44:01,318 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1448 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:01,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 304 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:44:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2022-11-18 19:44:01,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2022-11-18 19:44:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.396584440227704) internal successors, (736), 542 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 736 transitions. [2022-11-18 19:44:01,400 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 736 transitions. Word has length 75 [2022-11-18 19:44:01,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:01,400 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 736 transitions. [2022-11-18 19:44:01,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 736 transitions. [2022-11-18 19:44:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 19:44:01,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:01,403 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] [2022-11-18 19:44:01,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:44:01,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:01,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:01,405 INFO L85 PathProgramCache]: Analyzing trace with hash -976633234, now seen corresponding path program 1 times [2022-11-18 19:44:01,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:01,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835682305] [2022-11-18 19:44:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:01,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:01,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:01,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835682305] [2022-11-18 19:44:01,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835682305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:01,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:01,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:44:01,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785572511] [2022-11-18 19:44:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:01,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:44:01,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:01,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:44:01,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:44:01,915 INFO L87 Difference]: Start difference. First operand 543 states and 736 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:03,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:03,124 INFO L93 Difference]: Finished difference Result 1045 states and 1398 transitions. [2022-11-18 19:44:03,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:44:03,126 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-11-18 19:44:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:03,131 INFO L225 Difference]: With dead ends: 1045 [2022-11-18 19:44:03,132 INFO L226 Difference]: Without dead ends: 771 [2022-11-18 19:44:03,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:44:03,136 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 2215 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:03,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 926 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 19:44:03,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-11-18 19:44:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 543. [2022-11-18 19:44:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.394686907020873) internal successors, (735), 542 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 735 transitions. [2022-11-18 19:44:03,233 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 735 transitions. Word has length 76 [2022-11-18 19:44:03,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:03,235 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 735 transitions. [2022-11-18 19:44:03,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 735 transitions. [2022-11-18 19:44:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 19:44:03,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:03,242 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] [2022-11-18 19:44:03,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:44:03,242 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:03,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:03,243 INFO L85 PathProgramCache]: Analyzing trace with hash 649885335, now seen corresponding path program 1 times [2022-11-18 19:44:03,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:03,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760541762] [2022-11-18 19:44:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:03,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:03,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760541762] [2022-11-18 19:44:03,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760541762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:03,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:03,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922531601] [2022-11-18 19:44:03,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:03,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:03,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:03,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:03,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:03,864 INFO L87 Difference]: Start difference. First operand 543 states and 735 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:05,575 INFO L93 Difference]: Finished difference Result 930 states and 1301 transitions. [2022-11-18 19:44:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:05,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-11-18 19:44:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:05,579 INFO L225 Difference]: With dead ends: 930 [2022-11-18 19:44:05,580 INFO L226 Difference]: Without dead ends: 740 [2022-11-18 19:44:05,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:05,583 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1909 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:05,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1909 Valid, 1682 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-18 19:44:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 543. [2022-11-18 19:44:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3927893738140418) internal successors, (734), 542 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 734 transitions. [2022-11-18 19:44:05,663 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 734 transitions. Word has length 76 [2022-11-18 19:44:05,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:05,663 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 734 transitions. [2022-11-18 19:44:05,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 734 transitions. [2022-11-18 19:44:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 19:44:05,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:05,666 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] [2022-11-18 19:44:05,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:44:05,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:05,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:05,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1538930145, now seen corresponding path program 1 times [2022-11-18 19:44:05,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:05,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453707872] [2022-11-18 19:44:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:06,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:06,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453707872] [2022-11-18 19:44:06,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453707872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:06,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:06,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:06,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571852510] [2022-11-18 19:44:06,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:06,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:06,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:06,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:06,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:06,151 INFO L87 Difference]: Start difference. First operand 543 states and 734 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:07,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:07,758 INFO L93 Difference]: Finished difference Result 1240 states and 1734 transitions. [2022-11-18 19:44:07,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:07,759 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-11-18 19:44:07,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:07,764 INFO L225 Difference]: With dead ends: 1240 [2022-11-18 19:44:07,764 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:44:07,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:07,767 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 2365 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2365 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:07,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2365 Valid, 1411 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:44:07,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:44:07,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:44:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3908918406072106) internal successors, (733), 542 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 733 transitions. [2022-11-18 19:44:07,859 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 733 transitions. Word has length 76 [2022-11-18 19:44:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:07,860 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 733 transitions. [2022-11-18 19:44:07,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 733 transitions. [2022-11-18 19:44:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:07,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:07,863 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] [2022-11-18 19:44:07,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:44:07,864 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:07,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 684383254, now seen corresponding path program 1 times [2022-11-18 19:44:07,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:07,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229873506] [2022-11-18 19:44:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:08,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:08,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229873506] [2022-11-18 19:44:08,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229873506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:08,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:08,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:08,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270681257] [2022-11-18 19:44:08,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:08,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:08,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:08,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:08,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:08,302 INFO L87 Difference]: Start difference. First operand 543 states and 733 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:10,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:10,222 INFO L93 Difference]: Finished difference Result 1286 states and 1802 transitions. [2022-11-18 19:44:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:10,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:10,229 INFO L225 Difference]: With dead ends: 1286 [2022-11-18 19:44:10,230 INFO L226 Difference]: Without dead ends: 1126 [2022-11-18 19:44:10,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:10,234 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 2291 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:10,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 1670 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:44:10,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-11-18 19:44:10,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 543. [2022-11-18 19:44:10,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3889943074003794) internal successors, (732), 542 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 732 transitions. [2022-11-18 19:44:10,353 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 732 transitions. Word has length 78 [2022-11-18 19:44:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:10,354 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 732 transitions. [2022-11-18 19:44:10,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 732 transitions. [2022-11-18 19:44:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:10,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:10,357 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] [2022-11-18 19:44:10,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:44:10,358 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:10,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:10,359 INFO L85 PathProgramCache]: Analyzing trace with hash 275538026, now seen corresponding path program 1 times [2022-11-18 19:44:10,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:10,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419058567] [2022-11-18 19:44:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:10,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:10,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419058567] [2022-11-18 19:44:10,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419058567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:10,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:10,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:10,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363613496] [2022-11-18 19:44:10,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:10,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:10,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:10,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:10,786 INFO L87 Difference]: Start difference. First operand 543 states and 732 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:12,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:12,575 INFO L93 Difference]: Finished difference Result 1240 states and 1732 transitions. [2022-11-18 19:44:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:12,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:12,589 INFO L225 Difference]: With dead ends: 1240 [2022-11-18 19:44:12,589 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:44:12,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:12,592 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 1510 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:12,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 1532 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:12,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:44:12,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:44:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3870967741935485) internal successors, (731), 542 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 731 transitions. [2022-11-18 19:44:12,706 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 731 transitions. Word has length 78 [2022-11-18 19:44:12,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:12,707 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 731 transitions. [2022-11-18 19:44:12,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 731 transitions. [2022-11-18 19:44:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:12,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:12,710 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] [2022-11-18 19:44:12,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:44:12,712 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:12,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1207054515, now seen corresponding path program 1 times [2022-11-18 19:44:12,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:12,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715152661] [2022-11-18 19:44:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:12,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:13,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:13,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715152661] [2022-11-18 19:44:13,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715152661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:13,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:13,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:13,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379850776] [2022-11-18 19:44:13,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:13,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:13,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:13,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:13,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:13,162 INFO L87 Difference]: Start difference. First operand 543 states and 731 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:14,875 INFO L93 Difference]: Finished difference Result 1236 states and 1727 transitions. [2022-11-18 19:44:14,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:14,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:14,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:14,881 INFO L225 Difference]: With dead ends: 1236 [2022-11-18 19:44:14,882 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:44:14,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:14,884 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 2242 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:14,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 1501 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:44:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:44:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3851992409867173) internal successors, (730), 542 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 730 transitions. [2022-11-18 19:44:15,037 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 730 transitions. Word has length 78 [2022-11-18 19:44:15,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:15,038 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 730 transitions. [2022-11-18 19:44:15,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 730 transitions. [2022-11-18 19:44:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:15,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:15,042 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] [2022-11-18 19:44:15,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:44:15,043 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:15,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:15,043 INFO L85 PathProgramCache]: Analyzing trace with hash 424802567, now seen corresponding path program 1 times [2022-11-18 19:44:15,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:15,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126345554] [2022-11-18 19:44:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:15,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:15,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126345554] [2022-11-18 19:44:15,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126345554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:15,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:15,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:15,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019091199] [2022-11-18 19:44:15,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:15,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:15,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:15,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:15,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:15,436 INFO L87 Difference]: Start difference. First operand 543 states and 730 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:17,341 INFO L93 Difference]: Finished difference Result 1277 states and 1787 transitions. [2022-11-18 19:44:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:17,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:17,347 INFO L225 Difference]: With dead ends: 1277 [2022-11-18 19:44:17,347 INFO L226 Difference]: Without dead ends: 1126 [2022-11-18 19:44:17,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:44:17,350 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 2897 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:17,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 1605 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-11-18 19:44:17,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 543. [2022-11-18 19:44:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3833017077798861) internal successors, (729), 542 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 729 transitions. [2022-11-18 19:44:17,468 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 729 transitions. Word has length 78 [2022-11-18 19:44:17,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:17,468 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 729 transitions. [2022-11-18 19:44:17,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 729 transitions. [2022-11-18 19:44:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:17,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:17,471 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] [2022-11-18 19:44:17,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:44:17,472 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:17,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1808320783, now seen corresponding path program 1 times [2022-11-18 19:44:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:17,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636927421] [2022-11-18 19:44:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:18,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:18,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636927421] [2022-11-18 19:44:18,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636927421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:18,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:18,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:44:18,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661073826] [2022-11-18 19:44:18,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:18,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:44:18,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:18,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:44:18,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:44:18,076 INFO L87 Difference]: Start difference. First operand 543 states and 729 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:20,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:20,118 INFO L93 Difference]: Finished difference Result 1314 states and 1820 transitions. [2022-11-18 19:44:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:44:20,119 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:20,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:20,125 INFO L225 Difference]: With dead ends: 1314 [2022-11-18 19:44:20,125 INFO L226 Difference]: Without dead ends: 1164 [2022-11-18 19:44:20,127 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 [2022-11-18 19:44:20,128 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 2979 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2979 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:20,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2979 Valid, 1991 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:44:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2022-11-18 19:44:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 557. [2022-11-18 19:44:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 541 states have (on average 1.3844731977818854) internal successors, (749), 556 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 749 transitions. [2022-11-18 19:44:20,260 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 749 transitions. Word has length 78 [2022-11-18 19:44:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:20,261 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 749 transitions. [2022-11-18 19:44:20,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 749 transitions. [2022-11-18 19:44:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:20,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:20,263 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] [2022-11-18 19:44:20,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:44:20,264 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:20,265 INFO L85 PathProgramCache]: Analyzing trace with hash 574449411, now seen corresponding path program 1 times [2022-11-18 19:44:20,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:20,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454520786] [2022-11-18 19:44:20,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:21,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:21,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454520786] [2022-11-18 19:44:21,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454520786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:21,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:21,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:44:21,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541981321] [2022-11-18 19:44:21,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:21,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:44:21,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:44:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:44:21,070 INFO L87 Difference]: Start difference. First operand 557 states and 749 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:23,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:23,368 INFO L93 Difference]: Finished difference Result 1181 states and 1651 transitions. [2022-11-18 19:44:23,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:44:23,369 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:23,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:23,373 INFO L225 Difference]: With dead ends: 1181 [2022-11-18 19:44:23,373 INFO L226 Difference]: Without dead ends: 925 [2022-11-18 19:44:23,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-11-18 19:44:23,375 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 2987 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2987 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:23,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2987 Valid, 1832 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:44:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-11-18 19:44:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 543. [2022-11-18 19:44:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3795066413662238) internal successors, (727), 542 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 727 transitions. [2022-11-18 19:44:23,513 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 727 transitions. Word has length 78 [2022-11-18 19:44:23,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:23,514 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 727 transitions. [2022-11-18 19:44:23,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 727 transitions. [2022-11-18 19:44:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:23,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:23,516 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] [2022-11-18 19:44:23,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:44:23,517 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:23,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:23,517 INFO L85 PathProgramCache]: Analyzing trace with hash 688086315, now seen corresponding path program 1 times [2022-11-18 19:44:23,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:23,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645325391] [2022-11-18 19:44:23,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:23,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:23,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:23,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645325391] [2022-11-18 19:44:23,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645325391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:23,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:23,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:23,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588227722] [2022-11-18 19:44:23,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:23,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:23,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:23,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:23,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:23,971 INFO L87 Difference]: Start difference. First operand 543 states and 727 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:25,937 INFO L93 Difference]: Finished difference Result 1246 states and 1735 transitions. [2022-11-18 19:44:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:25,943 INFO L225 Difference]: With dead ends: 1246 [2022-11-18 19:44:25,943 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:44:25,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:44:25,949 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 2800 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:25,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 1602 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:44:26,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:44:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3757115749525617) internal successors, (725), 542 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 725 transitions. [2022-11-18 19:44:26,103 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 725 transitions. Word has length 78 [2022-11-18 19:44:26,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:26,104 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 725 transitions. [2022-11-18 19:44:26,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,104 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 725 transitions. [2022-11-18 19:44:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 19:44:26,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:26,106 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] [2022-11-18 19:44:26,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:44:26,107 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:26,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:26,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1096931543, now seen corresponding path program 1 times [2022-11-18 19:44:26,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:26,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821036258] [2022-11-18 19:44:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:26,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:26,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821036258] [2022-11-18 19:44:26,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821036258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:26,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:26,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:26,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948761545] [2022-11-18 19:44:26,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:26,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:26,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:26,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:26,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:26,486 INFO L87 Difference]: Start difference. First operand 543 states and 725 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:28,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:28,466 INFO L93 Difference]: Finished difference Result 1296 states and 1806 transitions. [2022-11-18 19:44:28,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:28,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-11-18 19:44:28,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:28,473 INFO L225 Difference]: With dead ends: 1296 [2022-11-18 19:44:28,473 INFO L226 Difference]: Without dead ends: 1126 [2022-11-18 19:44:28,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:28,477 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 1813 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:28,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 2038 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:44:28,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-11-18 19:44:28,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 543. [2022-11-18 19:44:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3719165085388993) internal successors, (723), 542 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 723 transitions. [2022-11-18 19:44:28,646 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 723 transitions. Word has length 78 [2022-11-18 19:44:28,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:28,647 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 723 transitions. [2022-11-18 19:44:28,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:28,647 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 723 transitions. [2022-11-18 19:44:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:28,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:28,649 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] [2022-11-18 19:44:28,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:44:28,650 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:28,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:28,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1780834374, now seen corresponding path program 1 times [2022-11-18 19:44:28,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:28,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364670802] [2022-11-18 19:44:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:28,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:29,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:29,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364670802] [2022-11-18 19:44:29,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364670802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:29,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:29,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:29,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486460433] [2022-11-18 19:44:29,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:29,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:29,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:29,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:29,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:29,119 INFO L87 Difference]: Start difference. First operand 543 states and 723 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:31,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:31,319 INFO L93 Difference]: Finished difference Result 1206 states and 1669 transitions. [2022-11-18 19:44:31,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:31,320 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:31,325 INFO L225 Difference]: With dead ends: 1206 [2022-11-18 19:44:31,325 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:31,326 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 [2022-11-18 19:44:31,327 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 2347 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:31,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 2071 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 19:44:31,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:31,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3700189753320684) internal successors, (722), 542 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 722 transitions. [2022-11-18 19:44:31,491 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 722 transitions. Word has length 80 [2022-11-18 19:44:31,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:31,491 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 722 transitions. [2022-11-18 19:44:31,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 722 transitions. [2022-11-18 19:44:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:31,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:31,494 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] [2022-11-18 19:44:31,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:44:31,495 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash 515089470, now seen corresponding path program 1 times [2022-11-18 19:44:31,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:31,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453103865] [2022-11-18 19:44:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:31,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:31,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:31,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453103865] [2022-11-18 19:44:31,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453103865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:31,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:31,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:31,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059737396] [2022-11-18 19:44:31,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:31,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:31,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:31,852 INFO L87 Difference]: Start difference. First operand 543 states and 722 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:33,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:33,872 INFO L93 Difference]: Finished difference Result 1209 states and 1671 transitions. [2022-11-18 19:44:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:33,873 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:33,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:33,877 INFO L225 Difference]: With dead ends: 1209 [2022-11-18 19:44:33,878 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:33,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:33,880 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 2039 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:33,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 1641 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:33,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:34,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3681214421252372) internal successors, (721), 542 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 721 transitions. [2022-11-18 19:44:34,061 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 721 transitions. Word has length 80 [2022-11-18 19:44:34,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:34,062 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 721 transitions. [2022-11-18 19:44:34,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 721 transitions. [2022-11-18 19:44:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:34,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:34,064 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] [2022-11-18 19:44:34,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 19:44:34,065 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1270226045, now seen corresponding path program 1 times [2022-11-18 19:44:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:34,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888327270] [2022-11-18 19:44:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:34,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:34,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888327270] [2022-11-18 19:44:34,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888327270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:34,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:34,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:34,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66831257] [2022-11-18 19:44:34,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:34,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:34,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:34,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:34,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:34,524 INFO L87 Difference]: Start difference. First operand 543 states and 721 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:36,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:36,713 INFO L93 Difference]: Finished difference Result 1209 states and 1669 transitions. [2022-11-18 19:44:36,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:36,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:36,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:36,720 INFO L225 Difference]: With dead ends: 1209 [2022-11-18 19:44:36,720 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:36,721 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 [2022-11-18 19:44:36,722 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2420 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:36,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 1905 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:44:36,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.366223908918406) internal successors, (720), 542 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 720 transitions. [2022-11-18 19:44:36,924 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 720 transitions. Word has length 80 [2022-11-18 19:44:36,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:36,925 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 720 transitions. [2022-11-18 19:44:36,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 720 transitions. [2022-11-18 19:44:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:36,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:36,927 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] [2022-11-18 19:44:36,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 19:44:36,928 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1112544149, now seen corresponding path program 1 times [2022-11-18 19:44:36,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:36,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469023728] [2022-11-18 19:44:36,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:37,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:37,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469023728] [2022-11-18 19:44:37,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469023728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:37,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:37,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:37,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477792596] [2022-11-18 19:44:37,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:37,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:37,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:37,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:37,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:37,287 INFO L87 Difference]: Start difference. First operand 543 states and 720 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:39,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:39,236 INFO L93 Difference]: Finished difference Result 1245 states and 1723 transitions. [2022-11-18 19:44:39,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:39,237 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:39,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:39,242 INFO L225 Difference]: With dead ends: 1245 [2022-11-18 19:44:39,242 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:44:39,243 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 [2022-11-18 19:44:39,244 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1782 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:39,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 1980 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:44:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:44:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.364326375711575) internal successors, (719), 542 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 719 transitions. [2022-11-18 19:44:39,423 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 719 transitions. Word has length 80 [2022-11-18 19:44:39,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:39,424 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 719 transitions. [2022-11-18 19:44:39,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 719 transitions. [2022-11-18 19:44:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:39,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:39,427 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] [2022-11-18 19:44:39,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 19:44:39,427 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash -955374417, now seen corresponding path program 1 times [2022-11-18 19:44:39,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:39,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221537087] [2022-11-18 19:44:39,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:39,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:39,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:39,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221537087] [2022-11-18 19:44:39,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221537087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:39,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:39,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:39,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125316572] [2022-11-18 19:44:39,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:39,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:39,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:39,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:39,855 INFO L87 Difference]: Start difference. First operand 543 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:42,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:42,091 INFO L93 Difference]: Finished difference Result 1206 states and 1664 transitions. [2022-11-18 19:44:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:42,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:42,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:42,097 INFO L225 Difference]: With dead ends: 1206 [2022-11-18 19:44:42,097 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:42,098 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 [2022-11-18 19:44:42,099 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 2306 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2306 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:42,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2306 Valid, 2143 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 19:44:42,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.362428842504744) internal successors, (718), 542 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 718 transitions. [2022-11-18 19:44:42,305 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 718 transitions. Word has length 80 [2022-11-18 19:44:42,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:42,306 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 718 transitions. [2022-11-18 19:44:42,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 718 transitions. [2022-11-18 19:44:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:42,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:42,309 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] [2022-11-18 19:44:42,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 19:44:42,309 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:42,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:42,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2073965149, now seen corresponding path program 1 times [2022-11-18 19:44:42,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:42,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609642745] [2022-11-18 19:44:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:42,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:42,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609642745] [2022-11-18 19:44:42,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609642745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:42,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:42,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:42,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525855704] [2022-11-18 19:44:42,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:42,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:42,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:42,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:42,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:42,644 INFO L87 Difference]: Start difference. First operand 543 states and 718 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:44,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:44,690 INFO L93 Difference]: Finished difference Result 1083 states and 1475 transitions. [2022-11-18 19:44:44,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:44,703 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:44,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:44,708 INFO L225 Difference]: With dead ends: 1083 [2022-11-18 19:44:44,708 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:44,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:44,710 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 1278 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:44,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 1861 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:44,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3605313092979128) internal successors, (717), 542 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 717 transitions. [2022-11-18 19:44:44,896 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 717 transitions. Word has length 80 [2022-11-18 19:44:44,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:44,896 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 717 transitions. [2022-11-18 19:44:44,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 717 transitions. [2022-11-18 19:44:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:44,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:44,898 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] [2022-11-18 19:44:44,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 19:44:44,899 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:44,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -306680341, now seen corresponding path program 1 times [2022-11-18 19:44:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:44,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654226597] [2022-11-18 19:44:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:45,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:45,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654226597] [2022-11-18 19:44:45,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654226597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:45,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:45,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:45,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604336597] [2022-11-18 19:44:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:45,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:45,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:45,246 INFO L87 Difference]: Start difference. First operand 543 states and 717 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:47,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:47,255 INFO L93 Difference]: Finished difference Result 1206 states and 1661 transitions. [2022-11-18 19:44:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:47,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:47,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:47,261 INFO L225 Difference]: With dead ends: 1206 [2022-11-18 19:44:47,261 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:47,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:47,263 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 1368 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:47,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1689 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:44:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3586337760910816) internal successors, (716), 542 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 716 transitions. [2022-11-18 19:44:47,473 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 716 transitions. Word has length 80 [2022-11-18 19:44:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:47,474 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 716 transitions. [2022-11-18 19:44:47,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 716 transitions. [2022-11-18 19:44:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:47,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:47,476 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] [2022-11-18 19:44:47,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 19:44:47,477 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:47,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1961273491, now seen corresponding path program 1 times [2022-11-18 19:44:47,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:47,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630812994] [2022-11-18 19:44:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:47,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:47,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:47,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630812994] [2022-11-18 19:44:47,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630812994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:47,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:47,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:47,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750267399] [2022-11-18 19:44:47,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:47,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:47,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:47,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:47,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:47,867 INFO L87 Difference]: Start difference. First operand 543 states and 716 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:50,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:50,030 INFO L93 Difference]: Finished difference Result 1204 states and 1657 transitions. [2022-11-18 19:44:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:50,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:50,036 INFO L225 Difference]: With dead ends: 1204 [2022-11-18 19:44:50,036 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:50,037 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 [2022-11-18 19:44:50,039 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 2379 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2379 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:50,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2379 Valid, 1958 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:44:50,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3567362428842504) internal successors, (715), 542 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 715 transitions. [2022-11-18 19:44:50,182 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 715 transitions. Word has length 80 [2022-11-18 19:44:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:50,182 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 715 transitions. [2022-11-18 19:44:50,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 715 transitions. [2022-11-18 19:44:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:50,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:50,185 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] [2022-11-18 19:44:50,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 19:44:50,185 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:50,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:50,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1780916949, now seen corresponding path program 1 times [2022-11-18 19:44:50,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:50,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280163337] [2022-11-18 19:44:50,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:50,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:50,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280163337] [2022-11-18 19:44:50,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280163337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:50,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:50,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:50,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070317544] [2022-11-18 19:44:50,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:50,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:50,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:50,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:50,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:50,502 INFO L87 Difference]: Start difference. First operand 543 states and 715 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:52,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:52,368 INFO L93 Difference]: Finished difference Result 1252 states and 1726 transitions. [2022-11-18 19:44:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:52,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:52,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:52,373 INFO L225 Difference]: With dead ends: 1252 [2022-11-18 19:44:52,373 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:44:52,374 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 [2022-11-18 19:44:52,375 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 2304 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2304 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:52,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2304 Valid, 1605 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:44:52,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:44:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:44:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3529411764705883) internal successors, (713), 542 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 713 transitions. [2022-11-18 19:44:52,555 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 713 transitions. Word has length 80 [2022-11-18 19:44:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:52,556 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 713 transitions. [2022-11-18 19:44:52,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 713 transitions. [2022-11-18 19:44:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:52,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:52,558 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] [2022-11-18 19:44:52,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 19:44:52,559 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:52,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:52,559 INFO L85 PathProgramCache]: Analyzing trace with hash 601853245, now seen corresponding path program 1 times [2022-11-18 19:44:52,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:52,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468044873] [2022-11-18 19:44:52,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:52,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:52,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:52,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468044873] [2022-11-18 19:44:52,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468044873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:52,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:52,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:52,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90245101] [2022-11-18 19:44:52,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:52,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:52,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:52,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:52,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:52,953 INFO L87 Difference]: Start difference. First operand 543 states and 713 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:55,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:55,076 INFO L93 Difference]: Finished difference Result 1212 states and 1663 transitions. [2022-11-18 19:44:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:55,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:55,081 INFO L225 Difference]: With dead ends: 1212 [2022-11-18 19:44:55,081 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:44:55,081 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 [2022-11-18 19:44:55,082 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 2350 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:55,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 2009 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:44:55,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:44:55,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:44:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.349146110056926) internal successors, (711), 542 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 711 transitions. [2022-11-18 19:44:55,305 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 711 transitions. Word has length 80 [2022-11-18 19:44:55,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:55,305 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 711 transitions. [2022-11-18 19:44:55,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 711 transitions. [2022-11-18 19:44:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:55,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:55,308 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] [2022-11-18 19:44:55,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 19:44:55,309 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash -953833721, now seen corresponding path program 1 times [2022-11-18 19:44:55,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:55,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61458161] [2022-11-18 19:44:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:55,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:55,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:55,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61458161] [2022-11-18 19:44:55,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61458161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:55,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:55,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:55,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042257361] [2022-11-18 19:44:55,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:55,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:55,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:55,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:55,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:55,630 INFO L87 Difference]: Start difference. First operand 543 states and 711 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:57,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:57,718 INFO L93 Difference]: Finished difference Result 1316 states and 1809 transitions. [2022-11-18 19:44:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:44:57,719 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:44:57,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:57,724 INFO L225 Difference]: With dead ends: 1316 [2022-11-18 19:44:57,724 INFO L226 Difference]: Without dead ends: 1126 [2022-11-18 19:44:57,726 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 [2022-11-18 19:44:57,726 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 1869 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:57,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 1944 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:44:57,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-11-18 19:44:57,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 543. [2022-11-18 19:44:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3453510436432639) internal successors, (709), 542 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 709 transitions. [2022-11-18 19:44:57,922 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 709 transitions. Word has length 80 [2022-11-18 19:44:57,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:57,923 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 709 transitions. [2022-11-18 19:44:57,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 709 transitions. [2022-11-18 19:44:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:44:57,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:57,926 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] [2022-11-18 19:44:57,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-18 19:44:57,927 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:44:57,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:57,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1702835234, now seen corresponding path program 1 times [2022-11-18 19:44:57,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:57,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334185991] [2022-11-18 19:44:57,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:57,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:58,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:58,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334185991] [2022-11-18 19:44:58,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334185991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:58,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:58,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:58,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382228009] [2022-11-18 19:44:58,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:58,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:58,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:58,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:58,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:58,326 INFO L87 Difference]: Start difference. First operand 543 states and 709 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:00,465 INFO L93 Difference]: Finished difference Result 1083 states and 1464 transitions. [2022-11-18 19:45:00,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:00,466 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:45:00,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:00,470 INFO L225 Difference]: With dead ends: 1083 [2022-11-18 19:45:00,471 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:45:00,471 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 [2022-11-18 19:45:00,472 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 2340 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:00,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 2010 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:45:00,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:45:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:45:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3415559772296015) internal successors, (707), 542 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 707 transitions. [2022-11-18 19:45:00,650 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 707 transitions. Word has length 80 [2022-11-18 19:45:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:00,650 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 707 transitions. [2022-11-18 19:45:00,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 707 transitions. [2022-11-18 19:45:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:45:00,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:00,652 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] [2022-11-18 19:45:00,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-18 19:45:00,653 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:00,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:00,654 INFO L85 PathProgramCache]: Analyzing trace with hash 209361868, now seen corresponding path program 1 times [2022-11-18 19:45:00,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:00,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240009131] [2022-11-18 19:45:00,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:00,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:00,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:00,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240009131] [2022-11-18 19:45:00,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240009131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:00,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:00,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:45:00,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679831903] [2022-11-18 19:45:00,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:00,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:45:00,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:00,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:45:00,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:45:00,984 INFO L87 Difference]: Start difference. First operand 543 states and 707 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:03,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:03,068 INFO L93 Difference]: Finished difference Result 1119 states and 1514 transitions. [2022-11-18 19:45:03,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:03,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:45:03,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:03,073 INFO L225 Difference]: With dead ends: 1119 [2022-11-18 19:45:03,073 INFO L226 Difference]: Without dead ends: 1102 [2022-11-18 19:45:03,074 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 [2022-11-18 19:45:03,075 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 1796 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:03,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 1990 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:45:03,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-18 19:45:03,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 543. [2022-11-18 19:45:03,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3377609108159392) internal successors, (705), 542 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:03,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 705 transitions. [2022-11-18 19:45:03,277 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 705 transitions. Word has length 80 [2022-11-18 19:45:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:03,278 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 705 transitions. [2022-11-18 19:45:03,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 705 transitions. [2022-11-18 19:45:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:45:03,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:03,280 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] [2022-11-18 19:45:03,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-18 19:45:03,280 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:03,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:03,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1191963760, now seen corresponding path program 1 times [2022-11-18 19:45:03,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:03,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055649812] [2022-11-18 19:45:03,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:03,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:03,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055649812] [2022-11-18 19:45:03,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055649812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:03,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:03,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:45:03,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358536476] [2022-11-18 19:45:03,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:03,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:45:03,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:03,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:45:03,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:45:03,693 INFO L87 Difference]: Start difference. First operand 543 states and 705 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:05,905 INFO L93 Difference]: Finished difference Result 1208 states and 1650 transitions. [2022-11-18 19:45:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:05,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:45:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:05,910 INFO L225 Difference]: With dead ends: 1208 [2022-11-18 19:45:05,910 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:45:05,911 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 [2022-11-18 19:45:05,912 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 2308 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2308 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:05,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2308 Valid, 2065 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:45:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:45:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:45:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.333965844402277) internal successors, (703), 542 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 703 transitions. [2022-11-18 19:45:06,089 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 703 transitions. Word has length 80 [2022-11-18 19:45:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:06,090 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 703 transitions. [2022-11-18 19:45:06,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 703 transitions. [2022-11-18 19:45:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 19:45:06,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:06,091 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] [2022-11-18 19:45:06,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-18 19:45:06,091 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:06,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1836995487, now seen corresponding path program 1 times [2022-11-18 19:45:06,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:06,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988496884] [2022-11-18 19:45:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:06,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:06,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988496884] [2022-11-18 19:45:06,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988496884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:06,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:06,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:45:06,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039043062] [2022-11-18 19:45:06,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:06,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:45:06,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:06,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:45:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:45:06,725 INFO L87 Difference]: Start difference. First operand 543 states and 703 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:10,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:10,816 INFO L93 Difference]: Finished difference Result 1728 states and 2406 transitions. [2022-11-18 19:45:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 19:45:10,817 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-11-18 19:45:10,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:10,822 INFO L225 Difference]: With dead ends: 1728 [2022-11-18 19:45:10,822 INFO L226 Difference]: Without dead ends: 1723 [2022-11-18 19:45:10,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 19:45:10,824 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 4101 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4101 SdHoareTripleChecker+Valid, 2255 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:10,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4101 Valid, 2255 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 19:45:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-11-18 19:45:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 551. [2022-11-18 19:45:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3289719626168224) internal successors, (711), 550 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 711 transitions. [2022-11-18 19:45:11,049 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 711 transitions. Word has length 80 [2022-11-18 19:45:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:11,049 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 711 transitions. [2022-11-18 19:45:11,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 711 transitions. [2022-11-18 19:45:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 19:45:11,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:11,052 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] [2022-11-18 19:45:11,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-18 19:45:11,053 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:11,054 INFO L85 PathProgramCache]: Analyzing trace with hash 846117342, now seen corresponding path program 1 times [2022-11-18 19:45:11,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:11,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414113390] [2022-11-18 19:45:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:11,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:11,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414113390] [2022-11-18 19:45:11,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414113390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:11,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:11,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:45:11,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992736514] [2022-11-18 19:45:11,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:11,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:45:11,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:11,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:45:11,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:45:11,375 INFO L87 Difference]: Start difference. First operand 551 states and 711 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:13,445 INFO L93 Difference]: Finished difference Result 1083 states and 1456 transitions. [2022-11-18 19:45:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:13,445 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-11-18 19:45:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:13,447 INFO L225 Difference]: With dead ends: 1083 [2022-11-18 19:45:13,447 INFO L226 Difference]: Without dead ends: 1078 [2022-11-18 19:45:13,448 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 [2022-11-18 19:45:13,449 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 1875 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:13,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 1799 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:45:13,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-18 19:45:13,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 543. [2022-11-18 19:45:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3301707779886147) internal successors, (701), 542 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 701 transitions. [2022-11-18 19:45:13,683 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 701 transitions. Word has length 81 [2022-11-18 19:45:13,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:13,684 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 701 transitions. [2022-11-18 19:45:13,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 701 transitions. [2022-11-18 19:45:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:45:13,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:13,686 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] [2022-11-18 19:45:13,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-18 19:45:13,686 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:13,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:13,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1125287833, now seen corresponding path program 1 times [2022-11-18 19:45:13,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:13,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171035023] [2022-11-18 19:45:13,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:13,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:14,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:14,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171035023] [2022-11-18 19:45:14,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171035023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:14,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:14,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:45:14,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237844717] [2022-11-18 19:45:14,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:14,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:45:14,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:14,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:45:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:45:14,396 INFO L87 Difference]: Start difference. First operand 543 states and 701 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:16,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:16,407 INFO L93 Difference]: Finished difference Result 1209 states and 1606 transitions. [2022-11-18 19:45:16,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:16,409 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 19:45:16,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:16,411 INFO L225 Difference]: With dead ends: 1209 [2022-11-18 19:45:16,411 INFO L226 Difference]: Without dead ends: 966 [2022-11-18 19:45:16,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:45:16,416 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1766 mSDsluCounter, 2405 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:16,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 2953 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:45:16,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-11-18 19:45:16,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 426. [2022-11-18 19:45:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 415 states have (on average 1.3349397590361445) internal successors, (554), 425 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 554 transitions. [2022-11-18 19:45:16,596 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 554 transitions. Word has length 82 [2022-11-18 19:45:16,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:16,596 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 554 transitions. [2022-11-18 19:45:16,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 554 transitions. [2022-11-18 19:45:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:45:16,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:16,598 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] [2022-11-18 19:45:16,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-18 19:45:16,599 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:16,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:16,599 INFO L85 PathProgramCache]: Analyzing trace with hash 996849594, now seen corresponding path program 1 times [2022-11-18 19:45:16,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:16,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014521428] [2022-11-18 19:45:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:17,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:17,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014521428] [2022-11-18 19:45:17,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014521428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:17,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:17,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 19:45:17,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203267944] [2022-11-18 19:45:17,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:17,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 19:45:17,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:17,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 19:45:17,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:45:17,509 INFO L87 Difference]: Start difference. First operand 426 states and 554 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:19,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:19,836 INFO L93 Difference]: Finished difference Result 1136 states and 1525 transitions. [2022-11-18 19:45:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:45:19,837 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 19:45:19,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:19,839 INFO L225 Difference]: With dead ends: 1136 [2022-11-18 19:45:19,839 INFO L226 Difference]: Without dead ends: 1004 [2022-11-18 19:45:19,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-11-18 19:45:19,841 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 1880 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:19,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 2796 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:45:19,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2022-11-18 19:45:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 414. [2022-11-18 19:45:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 404 states have (on average 1.3292079207920793) internal successors, (537), 413 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 537 transitions. [2022-11-18 19:45:20,049 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 537 transitions. Word has length 82 [2022-11-18 19:45:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:20,050 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 537 transitions. [2022-11-18 19:45:20,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 537 transitions. [2022-11-18 19:45:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:45:20,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:20,051 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] [2022-11-18 19:45:20,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-18 19:45:20,051 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:20,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:20,052 INFO L85 PathProgramCache]: Analyzing trace with hash -783667554, now seen corresponding path program 1 times [2022-11-18 19:45:20,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:20,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24081897] [2022-11-18 19:45:20,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:20,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:22,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:22,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24081897] [2022-11-18 19:45:22,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24081897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:22,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:22,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-11-18 19:45:22,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884890895] [2022-11-18 19:45:22,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:22,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 19:45:22,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 19:45:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2022-11-18 19:45:22,558 INFO L87 Difference]: Start difference. First operand 414 states and 537 transitions. Second operand has 26 states, 26 states have (on average 3.1538461538461537) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:28,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:28,538 INFO L93 Difference]: Finished difference Result 705 states and 962 transitions. [2022-11-18 19:45:28,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 19:45:28,538 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.1538461538461537) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 19:45:28,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:28,540 INFO L225 Difference]: With dead ends: 705 [2022-11-18 19:45:28,540 INFO L226 Difference]: Without dead ends: 572 [2022-11-18 19:45:28,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=366, Invalid=1986, Unknown=0, NotChecked=0, Total=2352 [2022-11-18 19:45:28,541 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 763 mSDsluCounter, 5451 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 5815 SdHoareTripleChecker+Invalid, 2798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:28,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 5815 Invalid, 2798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2769 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-18 19:45:28,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-11-18 19:45:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 428. [2022-11-18 19:45:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 418 states have (on average 1.3277511961722488) internal successors, (555), 427 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 555 transitions. [2022-11-18 19:45:28,778 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 555 transitions. Word has length 82 [2022-11-18 19:45:28,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:28,778 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 555 transitions. [2022-11-18 19:45:28,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.1538461538461537) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 555 transitions. [2022-11-18 19:45:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:45:28,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:28,780 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] [2022-11-18 19:45:28,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-18 19:45:28,780 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:28,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash 504555190, now seen corresponding path program 1 times [2022-11-18 19:45:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:28,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310599305] [2022-11-18 19:45:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:29,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:29,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310599305] [2022-11-18 19:45:29,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310599305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:29,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:29,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 19:45:29,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773597781] [2022-11-18 19:45:29,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:29,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 19:45:29,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:29,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 19:45:29,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:45:29,568 INFO L87 Difference]: Start difference. First operand 428 states and 555 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:31,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:31,818 INFO L93 Difference]: Finished difference Result 1125 states and 1510 transitions. [2022-11-18 19:45:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:31,822 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 19:45:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:31,824 INFO L225 Difference]: With dead ends: 1125 [2022-11-18 19:45:31,824 INFO L226 Difference]: Without dead ends: 993 [2022-11-18 19:45:31,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-11-18 19:45:31,825 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 2009 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:31,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 2427 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:45:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-11-18 19:45:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 418. [2022-11-18 19:45:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 409 states have (on average 1.3202933985330074) internal successors, (540), 417 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 540 transitions. [2022-11-18 19:45:32,048 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 540 transitions. Word has length 82 [2022-11-18 19:45:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:32,049 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 540 transitions. [2022-11-18 19:45:32,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 540 transitions. [2022-11-18 19:45:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:45:32,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:32,050 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] [2022-11-18 19:45:32,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-18 19:45:32,050 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:32,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1900616581, now seen corresponding path program 1 times [2022-11-18 19:45:32,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:32,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709067589] [2022-11-18 19:45:32,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:32,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:32,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:32,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709067589] [2022-11-18 19:45:32,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709067589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:32,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:32,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:45:32,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996468054] [2022-11-18 19:45:32,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:32,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:45:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:32,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:45:32,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:45:32,752 INFO L87 Difference]: Start difference. First operand 418 states and 540 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:34,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:34,023 INFO L93 Difference]: Finished difference Result 765 states and 1035 transitions. [2022-11-18 19:45:34,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 19:45:34,024 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-11-18 19:45:34,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:34,025 INFO L225 Difference]: With dead ends: 765 [2022-11-18 19:45:34,025 INFO L226 Difference]: Without dead ends: 543 [2022-11-18 19:45:34,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:45:34,026 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 957 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:34,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 2780 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:45:34,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2022-11-18 19:45:34,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 322. [2022-11-18 19:45:34,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.3217665615141956) internal successors, (419), 321 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 419 transitions. [2022-11-18 19:45:34,303 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 419 transitions. Word has length 82 [2022-11-18 19:45:34,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:34,304 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 419 transitions. [2022-11-18 19:45:34,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 419 transitions. [2022-11-18 19:45:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 19:45:34,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:34,307 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] [2022-11-18 19:45:34,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-18 19:45:34,307 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:34,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:34,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1282477232, now seen corresponding path program 1 times [2022-11-18 19:45:34,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:34,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288190154] [2022-11-18 19:45:34,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:34,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:35,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:35,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288190154] [2022-11-18 19:45:35,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288190154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:35,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:35,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 19:45:35,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217011778] [2022-11-18 19:45:35,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:35,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 19:45:35,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:35,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 19:45:35,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:45:35,055 INFO L87 Difference]: Start difference. First operand 322 states and 419 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:37,191 INFO L93 Difference]: Finished difference Result 960 states and 1336 transitions. [2022-11-18 19:45:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:45:37,195 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 19:45:37,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:37,198 INFO L225 Difference]: With dead ends: 960 [2022-11-18 19:45:37,198 INFO L226 Difference]: Without dead ends: 810 [2022-11-18 19:45:37,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-11-18 19:45:37,200 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 1042 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:37,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 2818 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:45:37,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-11-18 19:45:37,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 284. [2022-11-18 19:45:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 280 states have (on average 1.3178571428571428) internal successors, (369), 283 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 369 transitions. [2022-11-18 19:45:37,428 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 369 transitions. Word has length 83 [2022-11-18 19:45:37,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:37,428 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 369 transitions. [2022-11-18 19:45:37,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 369 transitions. [2022-11-18 19:45:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 19:45:37,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:37,429 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] [2022-11-18 19:45:37,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-18 19:45:37,430 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:37,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:37,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1553077216, now seen corresponding path program 1 times [2022-11-18 19:45:37,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:37,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417608480] [2022-11-18 19:45:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:37,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:37,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:37,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417608480] [2022-11-18 19:45:37,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417608480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:37,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:37,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:45:37,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858173959] [2022-11-18 19:45:37,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:37,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:45:37,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:37,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:45:37,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:45:38,000 INFO L87 Difference]: Start difference. First operand 284 states and 369 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:40,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:40,383 INFO L93 Difference]: Finished difference Result 794 states and 1099 transitions. [2022-11-18 19:45:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 19:45:40,384 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 19:45:40,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:40,386 INFO L225 Difference]: With dead ends: 794 [2022-11-18 19:45:40,386 INFO L226 Difference]: Without dead ends: 787 [2022-11-18 19:45:40,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2022-11-18 19:45:40,387 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 3184 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3184 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:40,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3184 Valid, 698 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:45:40,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-18 19:45:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 288. [2022-11-18 19:45:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 284 states have (on average 1.3133802816901408) internal successors, (373), 287 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 373 transitions. [2022-11-18 19:45:40,627 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 373 transitions. Word has length 83 [2022-11-18 19:45:40,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:40,627 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 373 transitions. [2022-11-18 19:45:40,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 373 transitions. [2022-11-18 19:45:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 19:45:40,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:40,628 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] [2022-11-18 19:45:40,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-18 19:45:40,629 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:40,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:40,629 INFO L85 PathProgramCache]: Analyzing trace with hash -823147502, now seen corresponding path program 1 times [2022-11-18 19:45:40,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:40,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328377184] [2022-11-18 19:45:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:40,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:40,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:40,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328377184] [2022-11-18 19:45:40,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328377184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:40,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:40,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:45:40,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124326924] [2022-11-18 19:45:40,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:40,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:45:40,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:40,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:45:40,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:45:40,978 INFO L87 Difference]: Start difference. First operand 288 states and 373 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:42,239 INFO L93 Difference]: Finished difference Result 467 states and 620 transitions. [2022-11-18 19:45:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 19:45:42,239 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 19:45:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:42,241 INFO L225 Difference]: With dead ends: 467 [2022-11-18 19:45:42,241 INFO L226 Difference]: Without dead ends: 460 [2022-11-18 19:45:42,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-11-18 19:45:42,242 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1068 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:42,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 751 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:45:42,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-18 19:45:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 288. [2022-11-18 19:45:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 284 states have (on average 1.3098591549295775) internal successors, (372), 287 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 372 transitions. [2022-11-18 19:45:42,473 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 372 transitions. Word has length 83 [2022-11-18 19:45:42,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:42,473 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 372 transitions. [2022-11-18 19:45:42,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 372 transitions. [2022-11-18 19:45:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 19:45:42,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:42,475 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] [2022-11-18 19:45:42,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-18 19:45:42,475 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:42,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:42,476 INFO L85 PathProgramCache]: Analyzing trace with hash -892730834, now seen corresponding path program 1 times [2022-11-18 19:45:42,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:42,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932946718] [2022-11-18 19:45:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:42,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:42,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932946718] [2022-11-18 19:45:42,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932946718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:42,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:42,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:45:42,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508076342] [2022-11-18 19:45:42,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:42,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:45:42,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:42,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:45:42,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:45:42,723 INFO L87 Difference]: Start difference. First operand 288 states and 372 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:43,867 INFO L93 Difference]: Finished difference Result 630 states and 858 transitions. [2022-11-18 19:45:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:45:43,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-11-18 19:45:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:43,869 INFO L225 Difference]: With dead ends: 630 [2022-11-18 19:45:43,869 INFO L226 Difference]: Without dead ends: 474 [2022-11-18 19:45:43,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:45:43,871 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 847 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:43,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 739 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:45:43,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-11-18 19:45:44,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 288. [2022-11-18 19:45:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 284 states have (on average 1.3028169014084507) internal successors, (370), 287 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 370 transitions. [2022-11-18 19:45:44,093 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 370 transitions. Word has length 83 [2022-11-18 19:45:44,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:44,093 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 370 transitions. [2022-11-18 19:45:44,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 370 transitions. [2022-11-18 19:45:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 19:45:44,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:44,094 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] [2022-11-18 19:45:44,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-18 19:45:44,094 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:44,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:44,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1462020674, now seen corresponding path program 1 times [2022-11-18 19:45:44,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:44,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270614359] [2022-11-18 19:45:44,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:44,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:44,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:44,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270614359] [2022-11-18 19:45:44,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270614359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:44,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:44,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:45:44,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657572851] [2022-11-18 19:45:44,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:44,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:45:44,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:44,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:45:44,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:45:44,424 INFO L87 Difference]: Start difference. First operand 288 states and 370 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:45,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:45,625 INFO L93 Difference]: Finished difference Result 467 states and 617 transitions. [2022-11-18 19:45:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:45:45,626 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-11-18 19:45:45,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:45,627 INFO L225 Difference]: With dead ends: 467 [2022-11-18 19:45:45,627 INFO L226 Difference]: Without dead ends: 460 [2022-11-18 19:45:45,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:45:45,628 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 723 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:45,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 861 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:45:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-18 19:45:45,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 284. [2022-11-18 19:45:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 280 states have (on average 1.3035714285714286) internal successors, (365), 283 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 365 transitions. [2022-11-18 19:45:45,899 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 365 transitions. Word has length 84 [2022-11-18 19:45:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:45,900 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 365 transitions. [2022-11-18 19:45:45,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 365 transitions. [2022-11-18 19:45:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 19:45:45,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:45,900 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] [2022-11-18 19:45:45,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-18 19:45:45,901 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:45,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash -725351920, now seen corresponding path program 1 times [2022-11-18 19:45:45,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:45,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47325858] [2022-11-18 19:45:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:47,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:47,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47325858] [2022-11-18 19:45:47,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47325858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:47,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:47,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-18 19:45:47,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303809490] [2022-11-18 19:45:47,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:47,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 19:45:47,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:47,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 19:45:47,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:45:47,741 INFO L87 Difference]: Start difference. First operand 284 states and 365 transitions. Second operand has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:51,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:51,896 INFO L93 Difference]: Finished difference Result 325 states and 408 transitions. [2022-11-18 19:45:51,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 19:45:51,897 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-11-18 19:45:51,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:51,898 INFO L225 Difference]: With dead ends: 325 [2022-11-18 19:45:51,898 INFO L226 Difference]: Without dead ends: 317 [2022-11-18 19:45:51,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=396, Invalid=2054, Unknown=0, NotChecked=0, Total=2450 [2022-11-18 19:45:51,900 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 574 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:51,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 3097 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 19:45:51,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2022-11-18 19:45:52,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 298. [2022-11-18 19:45:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 294 states have (on average 1.2993197278911566) internal successors, (382), 297 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 382 transitions. [2022-11-18 19:45:52,157 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 382 transitions. Word has length 85 [2022-11-18 19:45:52,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:52,157 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 382 transitions. [2022-11-18 19:45:52,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 382 transitions. [2022-11-18 19:45:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 19:45:52,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:52,159 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] [2022-11-18 19:45:52,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-18 19:45:52,159 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:52,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:52,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1767300528, now seen corresponding path program 1 times [2022-11-18 19:45:52,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:52,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988474196] [2022-11-18 19:45:52,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:52,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:52,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:52,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988474196] [2022-11-18 19:45:52,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988474196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:52,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:52,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 19:45:52,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635457014] [2022-11-18 19:45:52,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:52,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 19:45:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:52,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 19:45:52,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:45:52,854 INFO L87 Difference]: Start difference. First operand 298 states and 382 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:55,938 INFO L93 Difference]: Finished difference Result 1296 states and 1831 transitions. [2022-11-18 19:45:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 19:45:55,939 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-11-18 19:45:55,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:55,942 INFO L225 Difference]: With dead ends: 1296 [2022-11-18 19:45:55,942 INFO L226 Difference]: Without dead ends: 1290 [2022-11-18 19:45:55,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:45:55,944 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 1554 mSDsluCounter, 3330 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:55,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 3821 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:45:55,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-11-18 19:45:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 292. [2022-11-18 19:45:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 289 states have (on average 1.2975778546712802) internal successors, (375), 291 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 375 transitions. [2022-11-18 19:45:56,198 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 375 transitions. Word has length 85 [2022-11-18 19:45:56,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:56,198 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 375 transitions. [2022-11-18 19:45:56,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 375 transitions. [2022-11-18 19:45:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 19:45:56,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:56,199 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] [2022-11-18 19:45:56,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-18 19:45:56,200 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:45:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash 645292930, now seen corresponding path program 1 times [2022-11-18 19:45:56,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:56,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671881913] [2022-11-18 19:45:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:56,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:58,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:58,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671881913] [2022-11-18 19:45:58,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671881913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:58,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:58,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-11-18 19:45:58,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880496389] [2022-11-18 19:45:58,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:58,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 19:45:58,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 19:45:58,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2022-11-18 19:45:58,310 INFO L87 Difference]: Start difference. First operand 292 states and 375 transitions. Second operand has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:02,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:02,949 INFO L93 Difference]: Finished difference Result 327 states and 411 transitions. [2022-11-18 19:46:02,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 19:46:02,949 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-11-18 19:46:02,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:02,950 INFO L225 Difference]: With dead ends: 327 [2022-11-18 19:46:02,951 INFO L226 Difference]: Without dead ends: 319 [2022-11-18 19:46:02,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=365, Invalid=1987, Unknown=0, NotChecked=0, Total=2352 [2022-11-18 19:46:02,953 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 550 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:02,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 3140 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 19:46:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-18 19:46:03,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2022-11-18 19:46:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 298 states have (on average 1.2953020134228188) internal successors, (386), 300 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2022-11-18 19:46:03,185 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 386 transitions. Word has length 85 [2022-11-18 19:46:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:03,186 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 386 transitions. [2022-11-18 19:46:03,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 386 transitions. [2022-11-18 19:46:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 19:46:03,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:03,187 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] [2022-11-18 19:46:03,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-18 19:46:03,188 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:03,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:03,188 INFO L85 PathProgramCache]: Analyzing trace with hash 617648830, now seen corresponding path program 1 times [2022-11-18 19:46:03,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:03,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698895201] [2022-11-18 19:46:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:03,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:04,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:04,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698895201] [2022-11-18 19:46:04,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698895201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:04,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:04,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-18 19:46:04,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751826869] [2022-11-18 19:46:04,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:04,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-18 19:46:04,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:04,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 19:46:04,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:46:04,846 INFO L87 Difference]: Start difference. First operand 301 states and 386 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:10,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:10,308 INFO L93 Difference]: Finished difference Result 868 states and 1167 transitions. [2022-11-18 19:46:10,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 19:46:10,309 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-11-18 19:46:10,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:10,311 INFO L225 Difference]: With dead ends: 868 [2022-11-18 19:46:10,311 INFO L226 Difference]: Without dead ends: 860 [2022-11-18 19:46:10,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=427, Invalid=1735, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 19:46:10,312 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 1895 mSDsluCounter, 4606 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 5118 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:10,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 5118 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-18 19:46:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-11-18 19:46:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 297. [2022-11-18 19:46:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 294 states have (on average 1.2925170068027212) internal successors, (380), 296 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 380 transitions. [2022-11-18 19:46:10,584 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 380 transitions. Word has length 86 [2022-11-18 19:46:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:10,584 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 380 transitions. [2022-11-18 19:46:10,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 380 transitions. [2022-11-18 19:46:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 19:46:10,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:10,585 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] [2022-11-18 19:46:10,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-18 19:46:10,585 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:10,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1988293680, now seen corresponding path program 1 times [2022-11-18 19:46:10,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:10,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735576732] [2022-11-18 19:46:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:11,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:11,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735576732] [2022-11-18 19:46:11,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735576732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:11,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:11,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 19:46:11,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467911930] [2022-11-18 19:46:11,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:11,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 19:46:11,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:11,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 19:46:11,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:46:11,326 INFO L87 Difference]: Start difference. First operand 297 states and 380 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:14,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:14,430 INFO L93 Difference]: Finished difference Result 1026 states and 1444 transitions. [2022-11-18 19:46:14,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 19:46:14,431 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-11-18 19:46:14,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:14,433 INFO L225 Difference]: With dead ends: 1026 [2022-11-18 19:46:14,434 INFO L226 Difference]: Without dead ends: 1011 [2022-11-18 19:46:14,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:46:14,436 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 1295 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 3596 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:14,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 3596 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:46:14,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2022-11-18 19:46:14,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 271. [2022-11-18 19:46:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 269 states have (on average 1.2973977695167287) internal successors, (349), 270 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 349 transitions. [2022-11-18 19:46:14,826 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 349 transitions. Word has length 86 [2022-11-18 19:46:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:14,833 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 349 transitions. [2022-11-18 19:46:14,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 349 transitions. [2022-11-18 19:46:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 19:46:14,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:14,835 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] [2022-11-18 19:46:14,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-18 19:46:14,837 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:14,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -19453710, now seen corresponding path program 1 times [2022-11-18 19:46:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:14,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427467756] [2022-11-18 19:46:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:15,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:15,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427467756] [2022-11-18 19:46:15,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427467756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:15,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:15,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:46:15,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731220551] [2022-11-18 19:46:15,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:15,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:46:15,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:15,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:46:15,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:46:15,519 INFO L87 Difference]: Start difference. First operand 271 states and 349 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:17,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:17,632 INFO L93 Difference]: Finished difference Result 775 states and 1067 transitions. [2022-11-18 19:46:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:46:17,633 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-11-18 19:46:17,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:17,635 INFO L225 Difference]: With dead ends: 775 [2022-11-18 19:46:17,635 INFO L226 Difference]: Without dead ends: 752 [2022-11-18 19:46:17,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:46:17,636 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 979 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:17,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 2360 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:46:17,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2022-11-18 19:46:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 248. [2022-11-18 19:46:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.3076923076923077) internal successors, (323), 247 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2022-11-18 19:46:17,889 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 86 [2022-11-18 19:46:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:17,889 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2022-11-18 19:46:17,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2022-11-18 19:46:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-18 19:46:17,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:17,890 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] [2022-11-18 19:46:17,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-18 19:46:17,891 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:17,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:17,891 INFO L85 PathProgramCache]: Analyzing trace with hash 529887998, now seen corresponding path program 1 times [2022-11-18 19:46:17,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:17,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135358624] [2022-11-18 19:46:17,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:17,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:18,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:18,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135358624] [2022-11-18 19:46:18,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135358624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:18,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:18,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:46:18,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568572824] [2022-11-18 19:46:18,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:18,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:46:18,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:18,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:46:18,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:46:18,058 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand has 7 states, 7 states have (on average 16.0) 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) [2022-11-18 19:46:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:20,515 INFO L93 Difference]: Finished difference Result 1508 states and 2223 transitions. [2022-11-18 19:46:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:46:20,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) 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 [2022-11-18 19:46:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:20,518 INFO L225 Difference]: With dead ends: 1508 [2022-11-18 19:46:20,518 INFO L226 Difference]: Without dead ends: 1382 [2022-11-18 19:46:20,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:46:20,519 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1497 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:20,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 1542 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:46:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-11-18 19:46:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 372. [2022-11-18 19:46:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.3692722371967656) internal successors, (508), 371 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 508 transitions. [2022-11-18 19:46:21,042 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 508 transitions. Word has length 112 [2022-11-18 19:46:21,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:21,042 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 508 transitions. [2022-11-18 19:46:21,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) 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) [2022-11-18 19:46:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 508 transitions. [2022-11-18 19:46:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:46:21,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:21,043 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] [2022-11-18 19:46:21,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-18 19:46:21,044 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:21,044 INFO L85 PathProgramCache]: Analyzing trace with hash 257111127, now seen corresponding path program 1 times [2022-11-18 19:46:21,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:21,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038266216] [2022-11-18 19:46:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:21,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:21,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:21,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038266216] [2022-11-18 19:46:21,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038266216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:21,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:21,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:46:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931134958] [2022-11-18 19:46:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:21,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:46:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:46:21,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:46:21,198 INFO L87 Difference]: Start difference. First operand 372 states and 508 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:24,044 INFO L93 Difference]: Finished difference Result 1748 states and 2569 transitions. [2022-11-18 19:46:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:46:24,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 [2022-11-18 19:46:24,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:24,049 INFO L225 Difference]: With dead ends: 1748 [2022-11-18 19:46:24,050 INFO L226 Difference]: Without dead ends: 1498 [2022-11-18 19:46:24,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:46:24,052 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1197 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:24,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 961 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:46:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-18 19:46:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 620. [2022-11-18 19:46:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 619 states have (on average 1.4216478190630049) internal successors, (880), 619 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 880 transitions. [2022-11-18 19:46:25,233 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 880 transitions. Word has length 114 [2022-11-18 19:46:25,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:25,234 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 880 transitions. [2022-11-18 19:46:25,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 880 transitions. [2022-11-18 19:46:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:46:25,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:25,235 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] [2022-11-18 19:46:25,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-18 19:46:25,236 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:25,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1982497248, now seen corresponding path program 1 times [2022-11-18 19:46:25,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:25,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601040644] [2022-11-18 19:46:25,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:25,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:25,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:25,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601040644] [2022-11-18 19:46:25,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601040644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:25,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:25,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:46:25,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414255872] [2022-11-18 19:46:25,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:25,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:46:25,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:46:25,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:46:25,574 INFO L87 Difference]: Start difference. First operand 620 states and 880 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:26,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:26,780 INFO L93 Difference]: Finished difference Result 1120 states and 1628 transitions. [2022-11-18 19:46:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:46:26,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 [2022-11-18 19:46:26,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:26,783 INFO L225 Difference]: With dead ends: 1120 [2022-11-18 19:46:26,783 INFO L226 Difference]: Without dead ends: 622 [2022-11-18 19:46:26,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:46:26,785 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 532 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:26,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 557 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:46:26,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2022-11-18 19:46:27,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 620. [2022-11-18 19:46:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 619 states have (on average 1.4151857835218093) internal successors, (876), 619 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 876 transitions. [2022-11-18 19:46:27,943 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 876 transitions. Word has length 114 [2022-11-18 19:46:27,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:27,943 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 876 transitions. [2022-11-18 19:46:27,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 876 transitions. [2022-11-18 19:46:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:46:27,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:27,945 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] [2022-11-18 19:46:27,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-18 19:46:27,946 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:27,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1242756927, now seen corresponding path program 1 times [2022-11-18 19:46:27,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:27,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717618806] [2022-11-18 19:46:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:27,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:28,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:28,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717618806] [2022-11-18 19:46:28,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717618806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:28,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:28,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:46:28,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114235970] [2022-11-18 19:46:28,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:28,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:46:28,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:28,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:46:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:46:28,011 INFO L87 Difference]: Start difference. First operand 620 states and 876 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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) [2022-11-18 19:46:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:30,208 INFO L93 Difference]: Finished difference Result 1564 states and 2274 transitions. [2022-11-18 19:46:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:46:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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 [2022-11-18 19:46:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:30,211 INFO L225 Difference]: With dead ends: 1564 [2022-11-18 19:46:30,211 INFO L226 Difference]: Without dead ends: 1066 [2022-11-18 19:46:30,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:46:30,213 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 112 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:30,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 308 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:46:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-11-18 19:46:32,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1056. [2022-11-18 19:46:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1055 states have (on average 1.423696682464455) internal successors, (1502), 1055 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1502 transitions. [2022-11-18 19:46:32,130 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1502 transitions. Word has length 114 [2022-11-18 19:46:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:32,130 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1502 transitions. [2022-11-18 19:46:32,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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) [2022-11-18 19:46:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1502 transitions. [2022-11-18 19:46:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:46:32,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:32,132 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] [2022-11-18 19:46:32,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-18 19:46:32,132 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:32,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 335311913, now seen corresponding path program 1 times [2022-11-18 19:46:32,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:32,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56967959] [2022-11-18 19:46:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:32,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:32,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:32,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56967959] [2022-11-18 19:46:32,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56967959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:32,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:32,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:46:32,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119534241] [2022-11-18 19:46:32,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:32,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:46:32,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:32,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:46:32,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:46:32,336 INFO L87 Difference]: Start difference. First operand 1056 states and 1502 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:38,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:38,660 INFO L93 Difference]: Finished difference Result 3632 states and 5278 transitions. [2022-11-18 19:46:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:46:38,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 [2022-11-18 19:46:38,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:38,666 INFO L225 Difference]: With dead ends: 3632 [2022-11-18 19:46:38,666 INFO L226 Difference]: Without dead ends: 3164 [2022-11-18 19:46:38,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:46:38,669 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1121 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:38,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1004 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:46:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2022-11-18 19:46:41,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 1756. [2022-11-18 19:46:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1755 states have (on average 1.438176638176638) internal successors, (2524), 1755 states have internal predecessors, (2524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2524 transitions. [2022-11-18 19:46:41,903 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2524 transitions. Word has length 114 [2022-11-18 19:46:41,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:41,903 INFO L495 AbstractCegarLoop]: Abstraction has 1756 states and 2524 transitions. [2022-11-18 19:46:41,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2524 transitions. [2022-11-18 19:46:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:46:41,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:41,906 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] [2022-11-18 19:46:41,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-18 19:46:41,906 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:41,907 INFO L85 PathProgramCache]: Analyzing trace with hash -784107677, now seen corresponding path program 1 times [2022-11-18 19:46:41,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:41,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016180915] [2022-11-18 19:46:41,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:41,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:42,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:42,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016180915] [2022-11-18 19:46:42,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016180915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:42,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:42,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:46:42,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577384868] [2022-11-18 19:46:42,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:42,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:46:42,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:42,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:46:42,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:46:42,095 INFO L87 Difference]: Start difference. First operand 1756 states and 2524 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:49,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:49,082 INFO L93 Difference]: Finished difference Result 4098 states and 5960 transitions. [2022-11-18 19:46:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:46:49,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 [2022-11-18 19:46:49,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:49,088 INFO L225 Difference]: With dead ends: 4098 [2022-11-18 19:46:49,088 INFO L226 Difference]: Without dead ends: 3630 [2022-11-18 19:46:49,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:46:49,090 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1014 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:49,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1070 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:46:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2022-11-18 19:46:53,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 2222. [2022-11-18 19:46:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2222 states, 2221 states have (on average 1.4434939216569114) internal successors, (3206), 2221 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:46:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3206 transitions. [2022-11-18 19:46:53,226 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3206 transitions. Word has length 114 [2022-11-18 19:46:53,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:53,227 INFO L495 AbstractCegarLoop]: Abstraction has 2222 states and 3206 transitions. [2022-11-18 19:46:53,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:46:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3206 transitions. [2022-11-18 19:46:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:46:53,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:53,230 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] [2022-11-18 19:46:53,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-18 19:46:53,230 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:46:53,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:53,231 INFO L85 PathProgramCache]: Analyzing trace with hash -651533795, now seen corresponding path program 1 times [2022-11-18 19:46:53,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:53,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324657580] [2022-11-18 19:46:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:46:53,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:53,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324657580] [2022-11-18 19:46:53,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324657580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:53,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:53,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:46:53,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318921818] [2022-11-18 19:46:53,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:53,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:46:53,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:53,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:46:53,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:46:53,417 INFO L87 Difference]: Start difference. First operand 2222 states and 3206 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:47:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:01,855 INFO L93 Difference]: Finished difference Result 4564 states and 6642 transitions. [2022-11-18 19:47:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:01,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 [2022-11-18 19:47:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:01,860 INFO L225 Difference]: With dead ends: 4564 [2022-11-18 19:47:01,861 INFO L226 Difference]: Without dead ends: 4096 [2022-11-18 19:47:01,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:47:01,862 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1047 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:01,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 1134 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:47:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2022-11-18 19:47:07,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 2688. [2022-11-18 19:47:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 2687 states have (on average 1.4469668775586155) internal successors, (3888), 2687 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:47:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3888 transitions. [2022-11-18 19:47:07,114 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3888 transitions. Word has length 114 [2022-11-18 19:47:07,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:07,115 INFO L495 AbstractCegarLoop]: Abstraction has 2688 states and 3888 transitions. [2022-11-18 19:47:07,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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) [2022-11-18 19:47:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3888 transitions. [2022-11-18 19:47:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 19:47:07,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:07,118 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] [2022-11-18 19:47:07,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-18 19:47:07,119 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:47:07,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:07,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1268705059, now seen corresponding path program 1 times [2022-11-18 19:47:07,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:07,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382283260] [2022-11-18 19:47:07,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:07,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:07,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:07,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382283260] [2022-11-18 19:47:07,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382283260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:07,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:07,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:47:07,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690252636] [2022-11-18 19:47:07,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:07,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:47:07,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:07,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:47:07,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:07,265 INFO L87 Difference]: Start difference. First operand 2688 states and 3888 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 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) [2022-11-18 19:47:17,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:17,758 INFO L93 Difference]: Finished difference Result 7644 states and 11090 transitions. [2022-11-18 19:47:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:47:17,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 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 [2022-11-18 19:47:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:17,763 INFO L225 Difference]: With dead ends: 7644 [2022-11-18 19:47:17,763 INFO L226 Difference]: Without dead ends: 5078 [2022-11-18 19:47:17,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:17,766 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 90 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:17,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:47:17,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2022-11-18 19:47:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 4900. [2022-11-18 19:47:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4900 states, 4899 states have (on average 1.4431516636048174) internal successors, (7070), 4899 states have internal predecessors, (7070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:47:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4900 states to 4900 states and 7070 transitions. [2022-11-18 19:47:25,677 INFO L78 Accepts]: Start accepts. Automaton has 4900 states and 7070 transitions. Word has length 115 [2022-11-18 19:47:25,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:25,678 INFO L495 AbstractCegarLoop]: Abstraction has 4900 states and 7070 transitions. [2022-11-18 19:47:25,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 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) [2022-11-18 19:47:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4900 states and 7070 transitions. [2022-11-18 19:47:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-18 19:47:25,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:25,680 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] [2022-11-18 19:47:25,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-18 19:47:25,680 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:47:25,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:25,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1444283991, now seen corresponding path program 1 times [2022-11-18 19:47:25,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:25,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482622859] [2022-11-18 19:47:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:25,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:25,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:25,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482622859] [2022-11-18 19:47:25,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482622859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:25,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:25,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:47:25,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112797690] [2022-11-18 19:47:25,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:25,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:47:25,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:25,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:47:25,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:25,767 INFO L87 Difference]: Start difference. First operand 4900 states and 7070 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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) [2022-11-18 19:47:41,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:41,145 INFO L93 Difference]: Finished difference Result 14104 states and 20328 transitions. [2022-11-18 19:47:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:47:41,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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) Word has length 116 [2022-11-18 19:47:41,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:41,154 INFO L225 Difference]: With dead ends: 14104 [2022-11-18 19:47:41,154 INFO L226 Difference]: Without dead ends: 9326 [2022-11-18 19:47:41,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:41,158 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 83 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:41,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:47:41,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9326 states. [2022-11-18 19:47:58,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9326 to 8972. [2022-11-18 19:47:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 8971 states have (on average 1.433730910712295) internal successors, (12862), 8971 states have internal predecessors, (12862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:47:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 12862 transitions. [2022-11-18 19:47:58,409 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 12862 transitions. Word has length 116 [2022-11-18 19:47:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:58,409 INFO L495 AbstractCegarLoop]: Abstraction has 8972 states and 12862 transitions. [2022-11-18 19:47:58,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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) [2022-11-18 19:47:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 12862 transitions. [2022-11-18 19:47:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-18 19:47:58,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:58,410 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, 1] [2022-11-18 19:47:58,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-18 19:47:58,411 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:47:58,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1913447474, now seen corresponding path program 1 times [2022-11-18 19:47:58,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:58,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315982170] [2022-11-18 19:47:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:58,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:58,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315982170] [2022-11-18 19:47:58,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315982170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:58,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:58,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:47:58,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323998726] [2022-11-18 19:47:58,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:58,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:47:58,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:58,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:47:58,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:58,486 INFO L87 Difference]: Start difference. First operand 8972 states and 12862 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:48:28,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:28,352 INFO L93 Difference]: Finished difference Result 25968 states and 37088 transitions. [2022-11-18 19:48:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:48:28,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-11-18 19:48:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:28,372 INFO L225 Difference]: With dead ends: 25968 [2022-11-18 19:48:28,372 INFO L226 Difference]: Without dead ends: 17118 [2022-11-18 19:48:28,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:48:28,379 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 76 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:28,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:48:28,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17118 states. [2022-11-18 19:48:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17118 to 16412. [2022-11-18 19:48:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16412 states, 16411 states have (on average 1.4199012857229907) internal successors, (23302), 16411 states have internal predecessors, (23302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:48:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16412 states to 16412 states and 23302 transitions. [2022-11-18 19:48:54,491 INFO L78 Accepts]: Start accepts. Automaton has 16412 states and 23302 transitions. Word has length 117 [2022-11-18 19:48:54,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:54,492 INFO L495 AbstractCegarLoop]: Abstraction has 16412 states and 23302 transitions. [2022-11-18 19:48:54,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:48:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 16412 states and 23302 transitions. [2022-11-18 19:48:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-18 19:48:54,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:54,493 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, 1, 1] [2022-11-18 19:48:54,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-18 19:48:54,494 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:48:54,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1786344024, now seen corresponding path program 1 times [2022-11-18 19:48:54,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:54,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319234556] [2022-11-18 19:48:54,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:48:54,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:54,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319234556] [2022-11-18 19:48:54,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319234556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:54,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:54,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:48:54,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066426799] [2022-11-18 19:48:54,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:54,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:48:54,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:54,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:48:54,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:48:54,615 INFO L87 Difference]: Start difference. First operand 16412 states and 23302 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:49:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:43,287 INFO L93 Difference]: Finished difference Result 47584 states and 67176 transitions. [2022-11-18 19:49:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:49:43,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-11-18 19:49:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:43,327 INFO L225 Difference]: With dead ends: 47584 [2022-11-18 19:49:43,327 INFO L226 Difference]: Without dead ends: 31294 [2022-11-18 19:49:43,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:49:43,340 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 66 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:43,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 409 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:49:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31294 states. [2022-11-18 19:50:29,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31294 to 29884. [2022-11-18 19:50:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29884 states, 29883 states have (on average 1.4019342100860022) internal successors, (41894), 29883 states have internal predecessors, (41894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29884 states to 29884 states and 41894 transitions. [2022-11-18 19:50:29,387 INFO L78 Accepts]: Start accepts. Automaton has 29884 states and 41894 transitions. Word has length 118 [2022-11-18 19:50:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:29,387 INFO L495 AbstractCegarLoop]: Abstraction has 29884 states and 41894 transitions. [2022-11-18 19:50:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 29884 states and 41894 transitions. [2022-11-18 19:50:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 19:50:29,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:29,388 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, 1, 1, 1] [2022-11-18 19:50:29,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-18 19:50:29,388 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:50:29,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash 880608737, now seen corresponding path program 1 times [2022-11-18 19:50:29,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:29,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857253593] [2022-11-18 19:50:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:29,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:29,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857253593] [2022-11-18 19:50:29,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857253593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:29,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:29,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:50:29,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723925635] [2022-11-18 19:50:29,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:29,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:50:29,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:50:29,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:50:29,555 INFO L87 Difference]: Start difference. First operand 29884 states and 41894 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:54,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:54,173 INFO L93 Difference]: Finished difference Result 52702 states and 73304 transitions. [2022-11-18 19:51:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:51:54,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-11-18 19:51:54,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:54,251 INFO L225 Difference]: With dead ends: 52702 [2022-11-18 19:51:54,251 INFO L226 Difference]: Without dead ends: 52700 [2022-11-18 19:51:54,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:51:54,262 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 313 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:54,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1019 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:51:54,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52700 states. [2022-11-18 19:52:43,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52700 to 30844. [2022-11-18 19:52:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30844 states, 30843 states have (on average 1.3831987809227377) internal successors, (42662), 30843 states have internal predecessors, (42662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30844 states to 30844 states and 42662 transitions. [2022-11-18 19:52:43,130 INFO L78 Accepts]: Start accepts. Automaton has 30844 states and 42662 transitions. Word has length 119 [2022-11-18 19:52:43,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:43,130 INFO L495 AbstractCegarLoop]: Abstraction has 30844 states and 42662 transitions. [2022-11-18 19:52:43,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:43,131 INFO L276 IsEmpty]: Start isEmpty. Operand 30844 states and 42662 transitions. [2022-11-18 19:52:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 19:52:43,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:43,131 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, 1, 1, 1] [2022-11-18 19:52:43,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-18 19:52:43,132 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:52:43,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:43,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1221320670, now seen corresponding path program 1 times [2022-11-18 19:52:43,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:43,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654836720] [2022-11-18 19:52:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:43,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:43,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:43,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654836720] [2022-11-18 19:52:43,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654836720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:43,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:43,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:52:43,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754756482] [2022-11-18 19:52:43,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:43,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:52:43,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:43,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:52:43,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:52:43,268 INFO L87 Difference]: Start difference. First operand 30844 states and 42662 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:54:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:08,791 INFO L93 Difference]: Finished difference Result 58856 states and 81708 transitions. [2022-11-18 19:54:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:54:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-11-18 19:54:08,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:08,854 INFO L225 Difference]: With dead ends: 58856 [2022-11-18 19:54:08,855 INFO L226 Difference]: Without dead ends: 53254 [2022-11-18 19:54:08,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:08,866 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 1189 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:08,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 1122 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:54:08,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53254 states. [2022-11-18 19:55:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53254 to 36444. [2022-11-18 19:55:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36444 states, 36443 states have (on average 1.3831462832368355) internal successors, (50406), 36443 states have internal predecessors, (50406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:55:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36444 states to 36444 states and 50406 transitions. [2022-11-18 19:55:18,316 INFO L78 Accepts]: Start accepts. Automaton has 36444 states and 50406 transitions. Word has length 119 [2022-11-18 19:55:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:18,317 INFO L495 AbstractCegarLoop]: Abstraction has 36444 states and 50406 transitions. [2022-11-18 19:55:18,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:55:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36444 states and 50406 transitions. [2022-11-18 19:55:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-18 19:55:18,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:18,318 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, 1, 1, 1, 1] [2022-11-18 19:55:18,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-18 19:55:18,318 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-18 19:55:18,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:18,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1777695494, now seen corresponding path program 1 times [2022-11-18 19:55:18,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:18,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254640871] [2022-11-18 19:55:18,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:18,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:18,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254640871] [2022-11-18 19:55:18,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254640871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:18,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:18,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:55:18,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164641023] [2022-11-18 19:55:18,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:18,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:18,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:18,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:18,397 INFO L87 Difference]: Start difference. First operand 36444 states and 50406 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:57:08,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:08,304 INFO L93 Difference]: Finished difference Result 94528 states and 130536 transitions. [2022-11-18 19:57:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:08,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-11-18 19:57:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:08,386 INFO L225 Difference]: With dead ends: 94528 [2022-11-18 19:57:08,386 INFO L226 Difference]: Without dead ends: 58206 [2022-11-18 19:57:08,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:08,412 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 94 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:08,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 412 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:08,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58206 states.