./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2539530bc7d482c73cf7743c3e3167fff4f274988d9be6836a02ba65f37bdc1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:32:53,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:32:53,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:32:53,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:32:53,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:32:53,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:32:53,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:32:53,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:32:53,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:32:53,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:32:53,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:32:53,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:32:53,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:32:53,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:32:53,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:32:53,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:32:53,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:32:53,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:32:53,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:32:53,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:32:53,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:32:53,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:32:53,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:32:53,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:32:53,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:32:53,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:32:53,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:32:53,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:32:53,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:32:53,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:32:53,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:32:53,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:32:53,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:32:53,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:32:53,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:32:53,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:32:53,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:32:53,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:32:53,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:32:53,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:32:53,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:32:53,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:32:53,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:32:53,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:32:53,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:32:53,699 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:32:53,699 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:32:53,699 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:32:53,699 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:32:53,699 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:32:53,700 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:32:53,700 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:32:53,701 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:32:53,701 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:32:53,702 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:32:53,702 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:32:53,702 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:32:53,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:32:53,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:32:53,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:32:53,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:32:53,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:32:53,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:32:53,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:32:53,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:32:53,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:32:53,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:32:53,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:32:53,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:32:53,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:32:53,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:32:53,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:32:53,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:32:53,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:32:53,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:32:53,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:32:53,709 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:32:53,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:32:53,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:32:53,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:32:53,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:32:53,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2539530bc7d482c73cf7743c3e3167fff4f274988d9be6836a02ba65f37bdc1a [2021-11-03 05:32:54,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:32:54,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:32:54,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:32:54,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:32:54,091 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:32:54,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/eca-rers2012/Problem03_label00.c [2021-11-03 05:32:54,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/data/f3d105f19/1cd5f6ccf4124c5ebfee9e01b453c6db/FLAG2532d6014 [2021-11-03 05:32:54,980 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:32:54,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/sv-benchmarks/c/eca-rers2012/Problem03_label00.c [2021-11-03 05:32:55,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/data/f3d105f19/1cd5f6ccf4124c5ebfee9e01b453c6db/FLAG2532d6014 [2021-11-03 05:32:55,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/data/f3d105f19/1cd5f6ccf4124c5ebfee9e01b453c6db [2021-11-03 05:32:55,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:32:55,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:32:55,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:32:55,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:32:55,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:32:55,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:32:55" (1/1) ... [2021-11-03 05:32:55,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436232fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:55, skipping insertion in model container [2021-11-03 05:32:55,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:32:55" (1/1) ... [2021-11-03 05:32:55,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:32:55,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:32:55,836 WARN L228 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_72e169bf-79f9-410f-bc87-4e940c638407/sv-benchmarks/c/eca-rers2012/Problem03_label00.c[60148,60161] [2021-11-03 05:32:55,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:32:55,892 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:32:56,158 WARN L228 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_72e169bf-79f9-410f-bc87-4e940c638407/sv-benchmarks/c/eca-rers2012/Problem03_label00.c[60148,60161] [2021-11-03 05:32:56,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:32:56,187 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:32:56,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56 WrapperNode [2021-11-03 05:32:56,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:32:56,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:32:56,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:32:56,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:32:56,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:32:56,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:32:56,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:32:56,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:32:56,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:32:56,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:32:56,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:32:56,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:32:56,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (1/1) ... [2021-11-03 05:32:56,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:32:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:32:56,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:32:56,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:32:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:32:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:32:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:32:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:32:59,577 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:32:59,578 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 05:32:59,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:59 BoogieIcfgContainer [2021-11-03 05:32:59,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:32:59,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:32:59,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:32:59,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:32:59,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:32:55" (1/3) ... [2021-11-03 05:32:59,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7258e6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:32:59, skipping insertion in model container [2021-11-03 05:32:59,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:56" (2/3) ... [2021-11-03 05:32:59,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7258e6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:32:59, skipping insertion in model container [2021-11-03 05:32:59,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:59" (3/3) ... [2021-11-03 05:32:59,588 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label00.c [2021-11-03 05:32:59,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:32:59,593 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:32:59,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:32:59,648 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:32:59,648 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:32:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 146 states have (on average 1.9726027397260273) internal successors, (288), 147 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-03 05:32:59,680 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:59,681 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:32:59,682 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash 209352186, now seen corresponding path program 1 times [2021-11-03 05:32:59,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:59,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476186013] [2021-11-03 05:32:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:59,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:00,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:00,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476186013] [2021-11-03 05:33:00,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476186013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:00,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:00,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:33:00,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300219231] [2021-11-03 05:33:00,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:00,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:00,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:00,540 INFO L87 Difference]: Start difference. First operand has 148 states, 146 states have (on average 1.9726027397260273) internal successors, (288), 147 states have internal predecessors, (288), 0 states have call successors, (0), 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 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:01,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:01,508 INFO L93 Difference]: Finished difference Result 440 states and 860 transitions. [2021-11-03 05:33:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:01,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2021-11-03 05:33:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:01,523 INFO L225 Difference]: With dead ends: 440 [2021-11-03 05:33:01,524 INFO L226 Difference]: Without dead ends: 289 [2021-11-03 05:33:01,527 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:01,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-11-03 05:33:01,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2021-11-03 05:33:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.7881944444444444) internal successors, (515), 288 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 515 transitions. [2021-11-03 05:33:01,585 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 515 transitions. Word has length 143 [2021-11-03 05:33:01,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:01,586 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 515 transitions. [2021-11-03 05:33:01,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 515 transitions. [2021-11-03 05:33:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-03 05:33:01,591 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:01,591 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:01,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:33:01,592 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:01,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:01,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1094392473, now seen corresponding path program 1 times [2021-11-03 05:33:01,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:01,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221528567] [2021-11-03 05:33:01,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:01,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:01,688 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:01,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221528567] [2021-11-03 05:33:01,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221528567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:01,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:01,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:33:01,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682488974] [2021-11-03 05:33:01,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:01,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:01,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:01,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:01,692 INFO L87 Difference]: Start difference. First operand 289 states and 515 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:02,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:02,464 INFO L93 Difference]: Finished difference Result 863 states and 1542 transitions. [2021-11-03 05:33:02,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:02,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2021-11-03 05:33:02,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:02,470 INFO L225 Difference]: With dead ends: 863 [2021-11-03 05:33:02,470 INFO L226 Difference]: Without dead ends: 575 [2021-11-03 05:33:02,472 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:02,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-11-03 05:33:02,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2021-11-03 05:33:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 574 states have (on average 1.7421602787456445) internal successors, (1000), 574 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1000 transitions. [2021-11-03 05:33:02,506 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1000 transitions. Word has length 151 [2021-11-03 05:33:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:02,506 INFO L470 AbstractCegarLoop]: Abstraction has 575 states and 1000 transitions. [2021-11-03 05:33:02,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1000 transitions. [2021-11-03 05:33:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-03 05:33:02,513 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:02,513 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:02,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:33:02,514 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash -316846050, now seen corresponding path program 1 times [2021-11-03 05:33:02,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:02,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417651604] [2021-11-03 05:33:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:02,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:33:02,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:02,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417651604] [2021-11-03 05:33:02,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417651604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:02,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:02,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:33:02,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54878577] [2021-11-03 05:33:02,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:33:02,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:02,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:33:02,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:33:02,843 INFO L87 Difference]: Start difference. First operand 575 states and 1000 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:03,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:03,766 INFO L93 Difference]: Finished difference Result 1290 states and 2262 transitions. [2021-11-03 05:33:03,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:33:03,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 158 [2021-11-03 05:33:03,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:03,772 INFO L225 Difference]: With dead ends: 1290 [2021-11-03 05:33:03,772 INFO L226 Difference]: Without dead ends: 575 [2021-11-03 05:33:03,774 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:33:03,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-11-03 05:33:03,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2021-11-03 05:33:03,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 574 states have (on average 1.519163763066202) internal successors, (872), 574 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:03,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 872 transitions. [2021-11-03 05:33:03,798 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 872 transitions. Word has length 158 [2021-11-03 05:33:03,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:03,799 INFO L470 AbstractCegarLoop]: Abstraction has 575 states and 872 transitions. [2021-11-03 05:33:03,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 872 transitions. [2021-11-03 05:33:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-03 05:33:03,803 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:03,803 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:03,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 05:33:03,804 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:03,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1982523063, now seen corresponding path program 1 times [2021-11-03 05:33:03,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:03,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445185263] [2021-11-03 05:33:03,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:03,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:03,898 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:03,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445185263] [2021-11-03 05:33:03,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445185263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:03,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:03,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:33:03,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403261392] [2021-11-03 05:33:03,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:03,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:03,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:03,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:03,902 INFO L87 Difference]: Start difference. First operand 575 states and 872 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 2 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:04,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:04,555 INFO L93 Difference]: Finished difference Result 1721 states and 2613 transitions. [2021-11-03 05:33:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:04,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 2 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2021-11-03 05:33:04,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:04,563 INFO L225 Difference]: With dead ends: 1721 [2021-11-03 05:33:04,563 INFO L226 Difference]: Without dead ends: 1147 [2021-11-03 05:33:04,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:04,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2021-11-03 05:33:04,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2021-11-03 05:33:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1146 states have (on average 1.4589877835951135) internal successors, (1672), 1146 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1672 transitions. [2021-11-03 05:33:04,595 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1672 transitions. Word has length 166 [2021-11-03 05:33:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:04,595 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 1672 transitions. [2021-11-03 05:33:04,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 2 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1672 transitions. [2021-11-03 05:33:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-03 05:33:04,600 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:04,600 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:04,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 05:33:04,601 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:04,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:04,601 INFO L85 PathProgramCache]: Analyzing trace with hash 10694051, now seen corresponding path program 1 times [2021-11-03 05:33:04,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:04,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876089295] [2021-11-03 05:33:04,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:04,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:04,838 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:04,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876089295] [2021-11-03 05:33:04,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876089295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:04,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:04,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:33:04,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134565907] [2021-11-03 05:33:04,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:33:04,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:04,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:33:04,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:33:04,841 INFO L87 Difference]: Start difference. First operand 1147 states and 1672 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:05,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:05,910 INFO L93 Difference]: Finished difference Result 3006 states and 4390 transitions. [2021-11-03 05:33:05,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:33:05,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2021-11-03 05:33:05,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:05,925 INFO L225 Difference]: With dead ends: 3006 [2021-11-03 05:33:05,926 INFO L226 Difference]: Without dead ends: 1719 [2021-11-03 05:33:05,928 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:33:05,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-03 05:33:05,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2021-11-03 05:33:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1718 states have (on average 1.4348079161816065) internal successors, (2465), 1718 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2465 transitions. [2021-11-03 05:33:05,973 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2465 transitions. Word has length 174 [2021-11-03 05:33:05,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:05,974 INFO L470 AbstractCegarLoop]: Abstraction has 1719 states and 2465 transitions. [2021-11-03 05:33:05,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2465 transitions. [2021-11-03 05:33:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-03 05:33:05,979 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:05,979 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:05,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 05:33:05,980 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1715212610, now seen corresponding path program 1 times [2021-11-03 05:33:05,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:05,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208857166] [2021-11-03 05:33:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:05,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:33:06,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:06,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208857166] [2021-11-03 05:33:06,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208857166] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:06,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:06,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:33:06,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659625384] [2021-11-03 05:33:06,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:06,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:06,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:06,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:06,100 INFO L87 Difference]: Start difference. First operand 1719 states and 2465 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:06,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:06,750 INFO L93 Difference]: Finished difference Result 5155 states and 7393 transitions. [2021-11-03 05:33:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:06,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 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 176 [2021-11-03 05:33:06,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:06,769 INFO L225 Difference]: With dead ends: 5155 [2021-11-03 05:33:06,769 INFO L226 Difference]: Without dead ends: 3437 [2021-11-03 05:33:06,772 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2021-11-03 05:33:06,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3435. [2021-11-03 05:33:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3435 states, 3434 states have (on average 1.4059405940594059) internal successors, (4828), 3434 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4828 transitions. [2021-11-03 05:33:06,859 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4828 transitions. Word has length 176 [2021-11-03 05:33:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:06,860 INFO L470 AbstractCegarLoop]: Abstraction has 3435 states and 4828 transitions. [2021-11-03 05:33:06,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4828 transitions. [2021-11-03 05:33:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-03 05:33:06,868 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:06,869 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:06,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 05:33:06,869 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1441043070, now seen corresponding path program 1 times [2021-11-03 05:33:06,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:06,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239098383] [2021-11-03 05:33:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:06,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:07,117 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:07,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239098383] [2021-11-03 05:33:07,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239098383] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:07,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735273865] [2021-11-03 05:33:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:07,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:07,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:07,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:07,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:33:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:07,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:33:07,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-03 05:33:07,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-03 05:33:08,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735273865] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:08,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:33:08,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2021-11-03 05:33:08,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301370202] [2021-11-03 05:33:08,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:08,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:08,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:08,554 INFO L87 Difference]: Start difference. First operand 3435 states and 4828 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:09,242 INFO L93 Difference]: Finished difference Result 7727 states and 10936 transitions. [2021-11-03 05:33:09,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:09,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 181 [2021-11-03 05:33:09,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:09,266 INFO L225 Difference]: With dead ends: 7727 [2021-11-03 05:33:09,267 INFO L226 Difference]: Without dead ends: 4293 [2021-11-03 05:33:09,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:09,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2021-11-03 05:33:09,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 4293. [2021-11-03 05:33:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 4292 states have (on average 1.4037744641192917) internal successors, (6025), 4292 states have internal predecessors, (6025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6025 transitions. [2021-11-03 05:33:09,424 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6025 transitions. Word has length 181 [2021-11-03 05:33:09,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:09,426 INFO L470 AbstractCegarLoop]: Abstraction has 4293 states and 6025 transitions. [2021-11-03 05:33:09,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6025 transitions. [2021-11-03 05:33:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-03 05:33:09,436 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:09,436 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:09,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:09,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:09,661 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:09,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:09,661 INFO L85 PathProgramCache]: Analyzing trace with hash -594553586, now seen corresponding path program 1 times [2021-11-03 05:33:09,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:09,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216781760] [2021-11-03 05:33:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:09,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:09,894 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-03 05:33:09,894 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:09,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216781760] [2021-11-03 05:33:09,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216781760] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:09,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116450379] [2021-11-03 05:33:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:09,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:09,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:09,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:09,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:33:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:10,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:33:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-03 05:33:10,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-03 05:33:11,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116450379] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:11,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:33:11,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [4] total 5 [2021-11-03 05:33:11,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438402995] [2021-11-03 05:33:11,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:11,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:11,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:11,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:11,018 INFO L87 Difference]: Start difference. First operand 4293 states and 6025 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:11,318 INFO L93 Difference]: Finished difference Result 12877 states and 18073 transitions. [2021-11-03 05:33:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:11,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 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 196 [2021-11-03 05:33:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:11,365 INFO L225 Difference]: With dead ends: 12877 [2021-11-03 05:33:11,367 INFO L226 Difference]: Without dead ends: 8585 [2021-11-03 05:33:11,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 389 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:11,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8585 states. [2021-11-03 05:33:11,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8585 to 8583. [2021-11-03 05:33:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8583 states, 8582 states have (on average 1.3992076439058494) internal successors, (12008), 8582 states have internal predecessors, (12008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8583 states to 8583 states and 12008 transitions. [2021-11-03 05:33:11,632 INFO L78 Accepts]: Start accepts. Automaton has 8583 states and 12008 transitions. Word has length 196 [2021-11-03 05:33:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:11,633 INFO L470 AbstractCegarLoop]: Abstraction has 8583 states and 12008 transitions. [2021-11-03 05:33:11,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8583 states and 12008 transitions. [2021-11-03 05:33:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-03 05:33:11,656 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:11,656 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:11,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:11,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:11,873 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:11,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:11,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1549963086, now seen corresponding path program 1 times [2021-11-03 05:33:11,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:11,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077268809] [2021-11-03 05:33:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:11,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-03 05:33:11,962 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:11,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077268809] [2021-11-03 05:33:11,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077268809] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:11,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427315403] [2021-11-03 05:33:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:11,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:11,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:11,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:33:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:12,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:33:12,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-03 05:33:12,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-03 05:33:13,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427315403] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:13,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:33:13,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [3] total 4 [2021-11-03 05:33:13,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480655039] [2021-11-03 05:33:13,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:13,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:13,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:13,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:33:13,257 INFO L87 Difference]: Start difference. First operand 8583 states and 12008 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:13,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:13,978 INFO L93 Difference]: Finished difference Result 21455 states and 30135 transitions. [2021-11-03 05:33:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:13,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 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 205 [2021-11-03 05:33:13,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:14,052 INFO L225 Difference]: With dead ends: 21455 [2021-11-03 05:33:14,053 INFO L226 Difference]: Without dead ends: 12873 [2021-11-03 05:33:14,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 407 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:33:14,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12873 states. [2021-11-03 05:33:14,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12873 to 12873. [2021-11-03 05:33:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12873 states, 12872 states have (on average 1.3663766314481045) internal successors, (17588), 12872 states have internal predecessors, (17588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12873 states to 12873 states and 17588 transitions. [2021-11-03 05:33:14,399 INFO L78 Accepts]: Start accepts. Automaton has 12873 states and 17588 transitions. Word has length 205 [2021-11-03 05:33:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:14,399 INFO L470 AbstractCegarLoop]: Abstraction has 12873 states and 17588 transitions. [2021-11-03 05:33:14,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 12873 states and 17588 transitions. [2021-11-03 05:33:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-03 05:33:14,427 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:14,427 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:14,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:14,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:14,641 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1713414830, now seen corresponding path program 2 times [2021-11-03 05:33:14,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:14,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957355010] [2021-11-03 05:33:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:14,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 67 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 05:33:14,865 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:14,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957355010] [2021-11-03 05:33:14,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957355010] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:14,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324336365] [2021-11-03 05:33:14,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:33:14,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:14,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:14,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:14,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 05:33:15,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 05:33:15,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:33:15,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:33:15,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 05:33:15,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 05:33:16,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324336365] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:16,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:33:16,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2021-11-03 05:33:16,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188104219] [2021-11-03 05:33:16,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:16,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:16,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:16,447 INFO L87 Difference]: Start difference. First operand 12873 states and 17588 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:17,208 INFO L93 Difference]: Finished difference Result 34897 states and 47656 transitions. [2021-11-03 05:33:17,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:17,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 205 [2021-11-03 05:33:17,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:17,255 INFO L225 Difference]: With dead ends: 34897 [2021-11-03 05:33:17,255 INFO L226 Difference]: Without dead ends: 22025 [2021-11-03 05:33:17,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:17,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22025 states. [2021-11-03 05:33:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22025 to 20595. [2021-11-03 05:33:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20595 states, 20594 states have (on average 1.3383995338448091) internal successors, (27563), 20594 states have internal predecessors, (27563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20595 states to 20595 states and 27563 transitions. [2021-11-03 05:33:17,831 INFO L78 Accepts]: Start accepts. Automaton has 20595 states and 27563 transitions. Word has length 205 [2021-11-03 05:33:17,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:17,832 INFO L470 AbstractCegarLoop]: Abstraction has 20595 states and 27563 transitions. [2021-11-03 05:33:17,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 20595 states and 27563 transitions. [2021-11-03 05:33:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-03 05:33:17,867 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:17,868 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:17,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:18,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-03 05:33:18,082 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:18,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1261208416, now seen corresponding path program 1 times [2021-11-03 05:33:18,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:18,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966266211] [2021-11-03 05:33:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:18,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-03 05:33:18,259 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:18,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966266211] [2021-11-03 05:33:18,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966266211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:18,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:18,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:33:18,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005062037] [2021-11-03 05:33:18,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:18,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:18,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:18,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:18,262 INFO L87 Difference]: Start difference. First operand 20595 states and 27563 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:19,206 INFO L93 Difference]: Finished difference Result 53344 states and 71206 transitions. [2021-11-03 05:33:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:19,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 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 209 [2021-11-03 05:33:19,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:19,280 INFO L225 Difference]: With dead ends: 53344 [2021-11-03 05:33:19,280 INFO L226 Difference]: Without dead ends: 32750 [2021-11-03 05:33:19,304 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32750 states. [2021-11-03 05:33:19,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32750 to 32178. [2021-11-03 05:33:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32178 states, 32177 states have (on average 1.2382757870528638) internal successors, (39844), 32177 states have internal predecessors, (39844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32178 states to 32178 states and 39844 transitions. [2021-11-03 05:33:20,034 INFO L78 Accepts]: Start accepts. Automaton has 32178 states and 39844 transitions. Word has length 209 [2021-11-03 05:33:20,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:20,035 INFO L470 AbstractCegarLoop]: Abstraction has 32178 states and 39844 transitions. [2021-11-03 05:33:20,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32178 states and 39844 transitions. [2021-11-03 05:33:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-03 05:33:20,080 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:20,080 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:20,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-03 05:33:20,081 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash 665311960, now seen corresponding path program 1 times [2021-11-03 05:33:20,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:20,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711166813] [2021-11-03 05:33:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:20,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-03 05:33:20,474 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:20,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711166813] [2021-11-03 05:33:20,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711166813] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:20,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556212461] [2021-11-03 05:33:20,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:20,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:20,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:20,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:20,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 05:33:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:21,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:33:21,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:33:21,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:33:22,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556212461] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:22,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:33:22,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 7 [2021-11-03 05:33:22,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596764705] [2021-11-03 05:33:22,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:33:22,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:22,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:33:22,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:33:22,421 INFO L87 Difference]: Start difference. First operand 32178 states and 39844 transitions. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:23,733 INFO L93 Difference]: Finished difference Result 73507 states and 92321 transitions. [2021-11-03 05:33:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:33:23,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 0 states have call successors, (0), 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 230 [2021-11-03 05:33:23,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:23,825 INFO L225 Difference]: With dead ends: 73507 [2021-11-03 05:33:23,825 INFO L226 Difference]: Without dead ends: 41473 [2021-11-03 05:33:23,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:33:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41473 states. [2021-11-03 05:33:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41473 to 40615. [2021-11-03 05:33:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40615 states, 40614 states have (on average 1.1775003693307726) internal successors, (47823), 40614 states have internal predecessors, (47823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40615 states to 40615 states and 47823 transitions. [2021-11-03 05:33:25,005 INFO L78 Accepts]: Start accepts. Automaton has 40615 states and 47823 transitions. Word has length 230 [2021-11-03 05:33:25,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:25,005 INFO L470 AbstractCegarLoop]: Abstraction has 40615 states and 47823 transitions. [2021-11-03 05:33:25,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 40615 states and 47823 transitions. [2021-11-03 05:33:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-03 05:33:25,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:25,036 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:25,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:25,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-03 05:33:25,261 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:25,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:25,261 INFO L85 PathProgramCache]: Analyzing trace with hash 189654031, now seen corresponding path program 1 times [2021-11-03 05:33:25,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:25,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118977453] [2021-11-03 05:33:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:25,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:25,650 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:25,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118977453] [2021-11-03 05:33:25,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118977453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:25,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:25,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:33:25,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30836047] [2021-11-03 05:33:25,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:25,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:25,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:25,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:25,653 INFO L87 Difference]: Start difference. First operand 40615 states and 47823 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:26,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:26,580 INFO L93 Difference]: Finished difference Result 86091 states and 102468 transitions. [2021-11-03 05:33:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:26,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2021-11-03 05:33:26,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:26,666 INFO L225 Difference]: With dead ends: 86091 [2021-11-03 05:33:26,667 INFO L226 Difference]: Without dead ends: 45906 [2021-11-03 05:33:26,689 INFO L786 BasicCegarLoop]: 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 [2021-11-03 05:33:26,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45906 states. [2021-11-03 05:33:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45906 to 45477. [2021-11-03 05:33:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45477 states, 45476 states have (on average 1.1907819509191662) internal successors, (54152), 45476 states have internal predecessors, (54152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45477 states to 45477 states and 54152 transitions. [2021-11-03 05:33:27,988 INFO L78 Accepts]: Start accepts. Automaton has 45477 states and 54152 transitions. Word has length 239 [2021-11-03 05:33:27,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:27,989 INFO L470 AbstractCegarLoop]: Abstraction has 45477 states and 54152 transitions. [2021-11-03 05:33:27,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 45477 states and 54152 transitions. [2021-11-03 05:33:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-03 05:33:28,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:28,024 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:28,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-03 05:33:28,025 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:28,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash -666749504, now seen corresponding path program 1 times [2021-11-03 05:33:28,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:28,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626558691] [2021-11-03 05:33:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:28,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:28,416 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:28,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626558691] [2021-11-03 05:33:28,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626558691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:28,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:28,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:33:28,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531112035] [2021-11-03 05:33:28,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:33:28,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:33:28,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:28,420 INFO L87 Difference]: Start difference. First operand 45477 states and 54152 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:29,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:29,551 INFO L93 Difference]: Finished difference Result 109400 states and 129284 transitions. [2021-11-03 05:33:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:33:29,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 0 states have call successors, (0), 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 258 [2021-11-03 05:33:29,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:29,662 INFO L225 Difference]: With dead ends: 109400 [2021-11-03 05:33:29,663 INFO L226 Difference]: Without dead ends: 64353 [2021-11-03 05:33:29,693 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:33:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64353 states. [2021-11-03 05:33:30,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64353 to 59348. [2021-11-03 05:33:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59348 states, 59347 states have (on average 1.1832611589465347) internal successors, (70223), 59347 states have internal predecessors, (70223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59348 states to 59348 states and 70223 transitions. [2021-11-03 05:33:30,962 INFO L78 Accepts]: Start accepts. Automaton has 59348 states and 70223 transitions. Word has length 258 [2021-11-03 05:33:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:30,962 INFO L470 AbstractCegarLoop]: Abstraction has 59348 states and 70223 transitions. [2021-11-03 05:33:30,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 59348 states and 70223 transitions. [2021-11-03 05:33:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-03 05:33:31,015 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:31,016 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:31,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-03 05:33:31,016 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:31,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash 755713819, now seen corresponding path program 1 times [2021-11-03 05:33:31,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:31,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216796100] [2021-11-03 05:33:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:31,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 121 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:31,559 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:31,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216796100] [2021-11-03 05:33:31,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216796100] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:31,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084966490] [2021-11-03 05:33:31,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:31,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:31,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:31,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:31,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 05:33:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:32,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:33:32,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:33,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:34,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084966490] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:34,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:33:34,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2021-11-03 05:33:34,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619108237] [2021-11-03 05:33:34,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:33:34,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:33:34,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:33:34,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:33:34,588 INFO L87 Difference]: Start difference. First operand 59348 states and 70223 transitions. Second operand has 4 states, 4 states have (on average 66.25) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:35,931 INFO L93 Difference]: Finished difference Result 155305 states and 183994 transitions. [2021-11-03 05:33:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:33:35,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 265 [2021-11-03 05:33:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:36,067 INFO L225 Difference]: With dead ends: 155305 [2021-11-03 05:33:36,067 INFO L226 Difference]: Without dead ends: 96387 [2021-11-03 05:33:36,119 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:33:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96387 states. [2021-11-03 05:33:37,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96387 to 94526. [2021-11-03 05:33:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94526 states, 94525 states have (on average 1.180015868817773) internal successors, (111541), 94525 states have internal predecessors, (111541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94526 states to 94526 states and 111541 transitions. [2021-11-03 05:33:38,120 INFO L78 Accepts]: Start accepts. Automaton has 94526 states and 111541 transitions. Word has length 265 [2021-11-03 05:33:38,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:38,121 INFO L470 AbstractCegarLoop]: Abstraction has 94526 states and 111541 transitions. [2021-11-03 05:33:38,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 94526 states and 111541 transitions. [2021-11-03 05:33:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-03 05:33:38,181 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:38,182 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:38,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:38,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:38,397 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:33:38,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash 956858119, now seen corresponding path program 1 times [2021-11-03 05:33:38,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:33:38,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776299796] [2021-11-03 05:33:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:38,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:33:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-03 05:33:38,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:33:38,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776299796] [2021-11-03 05:33:38,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776299796] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:33:38,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771186347] [2021-11-03 05:33:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:38,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:33:38,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:33:38,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:33:38,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e169bf-79f9-410f-bc87-4e940c638407/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 05:33:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:39,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:33:39,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-03 05:33:40,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-03 05:33:41,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771186347] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:33:41,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [838844517] [2021-11-03 05:33:41,211 INFO L159 IcfgInterpreter]: Started Sifa with 145 locations of interest [2021-11-03 05:33:41,211 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:33:41,216 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:33:41,221 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:33:41,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:33:41,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:41,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:33:41,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:41,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:33:41,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:33:41,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:41,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:33:41,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 05:33:41,912 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-03 05:33:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:41,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:33:41,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:41,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:33:41,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:41,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:33:41,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:33:41,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:41,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:33:42,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 05:33:42,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:42,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:33:42,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:42,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:33:42,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:33:42,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:42,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:42,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:42,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 05:33:42,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:33:42,068 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:245, output treesize:220 [2021-11-03 05:33:42,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:33:42,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-03 05:33:42,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:42,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:42,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:43,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:43,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:43,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:43,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:43,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:44,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:44,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:44,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:44,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:44,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:45,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:45,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:45,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:45,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:45,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:45,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:46,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:47,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:48,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:49,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:50,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:51,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:52,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:53,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:54,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:55,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:56,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:57,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:58,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:33:59,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:00,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:01,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:02,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:03,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:04,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:04,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:04,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:04,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1197 [2021-11-03 05:34:04,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:04,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:04,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:04,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:04,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1173 [2021-11-03 05:34:04,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1173 [2021-11-03 05:34:04,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:04,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:04,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:05,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:05,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1149 [2021-11-03 05:34:05,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1149 [2021-11-03 05:34:05,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:05,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:05,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:05,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:05,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1125 [2021-11-03 05:34:05,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1125 [2021-11-03 05:34:05,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:05,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:05,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1101 [2021-11-03 05:34:05,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1168 [2021-11-03 05:34:05,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:05,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:05,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:06,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:06,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1831 [2021-11-03 05:34:06,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:06,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:06,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:34:06,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:06,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 05:34:06,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1909 [2021-11-03 05:34:06,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1954 [2021-11-03 05:34:06,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:06,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:06,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 655 [2021-11-03 05:34:06,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:06,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 651 [2021-11-03 05:34:06,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:34:06,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 649 [2021-11-03 05:34:06,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:07,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:08,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:08,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:08,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:08,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:08,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:08,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:09,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:09,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:09,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:10,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:10,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:10,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:10,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:11,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:11,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:11,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:12,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:12,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:12,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:12,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:13,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:13,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:14,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:14,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:14,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:14,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:15,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:15,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:15,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:15,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:15,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:16,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:16,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:16,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:17,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:17,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:17,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:17,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:18,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:18,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:18,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:18,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:19,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:19,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:19,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:19,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:20,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:20,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:20,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:20,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:21,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:21,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:21,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:22,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:22,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:22,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:22,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:22,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:23,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:23,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:23,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:23,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:24,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:24,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:24,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:24,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:25,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:25,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:25,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:25,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:26,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:26,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:26,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:26,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:27,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:27,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:27,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:27,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:28,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:28,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:28,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:28,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:29,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:29,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:29,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:29,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:30,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:30,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:30,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:30,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:30,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:31,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:31,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:31,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:32,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:32,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:32,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:33,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:33,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:34:33,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms