./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.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_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/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_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/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_3895877d-4849-4099-b416-173da8f28083/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 d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:01:26,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:01:26,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:01:26,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:01:26,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:01:26,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:01:26,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:01:26,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:01:26,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:01:26,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:01:26,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:01:26,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:01:26,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:01:26,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:01:26,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:01:26,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:01:26,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:01:26,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:01:26,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:01:26,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:01:26,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:01:27,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:01:27,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:01:27,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:01:27,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:01:27,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:01:27,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:01:27,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:01:27,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:01:27,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:01:27,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:01:27,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:01:27,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:01:27,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:01:27,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:01:27,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:01:27,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:01:27,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:01:27,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:01:27,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:01:27,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:01:27,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:01:27,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:01:27,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:01:27,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:01:27,101 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:01:27,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:01:27,101 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:01:27,102 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:01:27,102 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:01:27,110 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:01:27,110 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:01:27,111 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:01:27,112 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:01:27,112 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:01:27,112 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:01:27,112 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:01:27,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:01:27,114 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:01:27,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:01:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:01:27,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:01:27,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:01:27,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:01:27,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:01:27,116 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:01:27,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:01:27,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:01:27,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:01:27,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:01:27,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:01:27,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:01:27,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:01:27,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:01:27,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:01:27,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:01:27,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:01:27,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:01:27,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:01:27,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:01:27,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:01:27,123 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_3895877d-4849-4099-b416-173da8f28083/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 [2021-11-03 04:01:27,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:01:27,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:01:27,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:01:27,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:01:27,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:01:27,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2021-11-03 04:01:27,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/data/dbab8298f/a3dfbcafcb084b08b668780f85d1cfab/FLAGdce459d33 [2021-11-03 04:01:28,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:01:28,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2021-11-03 04:01:28,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/data/dbab8298f/a3dfbcafcb084b08b668780f85d1cfab/FLAGdce459d33 [2021-11-03 04:01:28,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/data/dbab8298f/a3dfbcafcb084b08b668780f85d1cfab [2021-11-03 04:01:28,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:01:28,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:01:28,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:01:28,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:01:28,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:01:28,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:01:28" (1/1) ... [2021-11-03 04:01:28,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64da9ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:28, skipping insertion in model container [2021-11-03 04:01:28,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:01:28" (1/1) ... [2021-11-03 04:01:28,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:01:28,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:01:28,977 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_3895877d-4849-4099-b416-173da8f28083/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c[11956,11969] [2021-11-03 04:01:28,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:01:28,994 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:01:29,076 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_3895877d-4849-4099-b416-173da8f28083/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c[11956,11969] [2021-11-03 04:01:29,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:01:29,097 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:01:29,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29 WrapperNode [2021-11-03 04:01:29,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:01:29,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:01:29,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:01:29,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:01:29,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:01:29,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:01:29,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:01:29,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:01:29,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:01:29,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:01:29,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:01:29,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:01:29,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (1/1) ... [2021-11-03 04:01:29,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:01:29,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:01:29,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:01:29,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:01:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:01:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:01:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:01:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:01:32,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:01:32,949 INFO L299 CfgBuilder]: Removed 173 assume(true) statements. [2021-11-03 04:01:32,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:01:32 BoogieIcfgContainer [2021-11-03 04:01:32,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:01:32,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:01:32,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:01:32,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:01:32,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:01:28" (1/3) ... [2021-11-03 04:01:32,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce495e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:01:32, skipping insertion in model container [2021-11-03 04:01:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:29" (2/3) ... [2021-11-03 04:01:32,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce495e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:01:32, skipping insertion in model container [2021-11-03 04:01:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:01:32" (3/3) ... [2021-11-03 04:01:32,964 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2021-11-03 04:01:32,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:01:32,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2021-11-03 04:01:33,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:01:33,086 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 04:01:33,086 INFO L340 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2021-11-03 04:01:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 296 states have (on average 1.722972972972973) internal successors, (510), 333 states have internal predecessors, (510), 0 states have call successors, (0), 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 04:01:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 04:01:33,136 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:33,137 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:33,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:33,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1607366045, now seen corresponding path program 1 times [2021-11-03 04:01:33,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:33,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683541108] [2021-11-03 04:01:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:33,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:33,357 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 04:01:33,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:33,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683541108] [2021-11-03 04:01:33,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683541108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:33,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:01:33,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:01:33,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481569702] [2021-11-03 04:01:33,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:01:33,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:33,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:01:33,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:01:33,392 INFO L87 Difference]: Start difference. First operand has 334 states, 296 states have (on average 1.722972972972973) internal successors, (510), 333 states have internal predecessors, (510), 0 states have call successors, (0), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:33,730 INFO L93 Difference]: Finished difference Result 826 states and 1258 transitions. [2021-11-03 04:01:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:01:33,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-03 04:01:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:33,763 INFO L225 Difference]: With dead ends: 826 [2021-11-03 04:01:33,763 INFO L226 Difference]: Without dead ends: 491 [2021-11-03 04:01:33,774 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 04:01:33,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-11-03 04:01:33,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 297. [2021-11-03 04:01:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 266 states have (on average 1.5714285714285714) internal successors, (418), 296 states have internal predecessors, (418), 0 states have call successors, (0), 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 04:01:33,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 418 transitions. [2021-11-03 04:01:33,847 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 418 transitions. Word has length 8 [2021-11-03 04:01:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:33,848 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 418 transitions. [2021-11-03 04:01:33,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 418 transitions. [2021-11-03 04:01:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 04:01:33,850 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:33,851 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:33,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:01:33,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash -79694677, now seen corresponding path program 1 times [2021-11-03 04:01:33,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:33,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271586266] [2021-11-03 04:01:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:33,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:33,935 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 04:01:33,936 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:33,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271586266] [2021-11-03 04:01:33,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271586266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:33,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:01:33,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:01:33,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138779105] [2021-11-03 04:01:33,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:01:33,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:01:33,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:01:33,940 INFO L87 Difference]: Start difference. First operand 297 states and 418 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:33,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:33,999 INFO L93 Difference]: Finished difference Result 732 states and 1023 transitions. [2021-11-03 04:01:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:01:34,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 04:01:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:34,004 INFO L225 Difference]: With dead ends: 732 [2021-11-03 04:01:34,004 INFO L226 Difference]: Without dead ends: 436 [2021-11-03 04:01:34,006 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 04:01:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-11-03 04:01:34,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 278. [2021-11-03 04:01:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 250 states have (on average 1.552) internal successors, (388), 277 states have internal predecessors, (388), 0 states have call successors, (0), 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 04:01:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 388 transitions. [2021-11-03 04:01:34,028 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 388 transitions. Word has length 9 [2021-11-03 04:01:34,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:34,029 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 388 transitions. [2021-11-03 04:01:34,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 388 transitions. [2021-11-03 04:01:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:01:34,031 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:34,031 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:34,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:01:34,031 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:34,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:34,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1047254266, now seen corresponding path program 1 times [2021-11-03 04:01:34,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:34,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881189389] [2021-11-03 04:01:34,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:34,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:34,099 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 04:01:34,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:34,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881189389] [2021-11-03 04:01:34,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881189389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:34,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:01:34,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:01:34,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162628573] [2021-11-03 04:01:34,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:01:34,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:34,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:01:34,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:01:34,103 INFO L87 Difference]: Start difference. First operand 278 states and 388 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:34,170 INFO L93 Difference]: Finished difference Result 820 states and 1145 transitions. [2021-11-03 04:01:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:01:34,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 04:01:34,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:34,176 INFO L225 Difference]: With dead ends: 820 [2021-11-03 04:01:34,177 INFO L226 Difference]: Without dead ends: 549 [2021-11-03 04:01:34,178 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 04:01:34,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-11-03 04:01:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 282. [2021-11-03 04:01:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 254 states have (on average 1.5433070866141732) internal successors, (392), 281 states have internal predecessors, (392), 0 states have call successors, (0), 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 04:01:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 392 transitions. [2021-11-03 04:01:34,205 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 392 transitions. Word has length 11 [2021-11-03 04:01:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:34,206 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 392 transitions. [2021-11-03 04:01:34,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 392 transitions. [2021-11-03 04:01:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 04:01:34,209 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:34,209 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:34,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 04:01:34,210 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1652180258, now seen corresponding path program 1 times [2021-11-03 04:01:34,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:34,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84173616] [2021-11-03 04:01:34,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:34,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:34,302 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 04:01:34,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:34,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84173616] [2021-11-03 04:01:34,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84173616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:34,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:01:34,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:01:34,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596632961] [2021-11-03 04:01:34,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:01:34,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:01:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:01:34,306 INFO L87 Difference]: Start difference. First operand 282 states and 392 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:34,324 INFO L93 Difference]: Finished difference Result 435 states and 599 transitions. [2021-11-03 04:01:34,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:01:34,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 04:01:34,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:34,328 INFO L225 Difference]: With dead ends: 435 [2021-11-03 04:01:34,328 INFO L226 Difference]: Without dead ends: 282 [2021-11-03 04:01:34,329 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 04:01:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-03 04:01:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-03 04:01:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 254 states have (on average 1.531496062992126) internal successors, (389), 281 states have internal predecessors, (389), 0 states have call successors, (0), 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 04:01:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 389 transitions. [2021-11-03 04:01:34,340 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 389 transitions. Word has length 15 [2021-11-03 04:01:34,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:34,341 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 389 transitions. [2021-11-03 04:01:34,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 389 transitions. [2021-11-03 04:01:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-03 04:01:34,343 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:34,343 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:34,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 04:01:34,344 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:34,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:34,344 INFO L85 PathProgramCache]: Analyzing trace with hash -229795796, now seen corresponding path program 1 times [2021-11-03 04:01:34,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:34,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404405929] [2021-11-03 04:01:34,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:34,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:34,419 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 04:01:34,420 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:34,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404405929] [2021-11-03 04:01:34,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404405929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:34,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:01:34,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:01:34,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554988619] [2021-11-03 04:01:34,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:01:34,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:34,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:01:34,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:01:34,425 INFO L87 Difference]: Start difference. First operand 282 states and 389 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:34,490 INFO L93 Difference]: Finished difference Result 714 states and 980 transitions. [2021-11-03 04:01:34,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:01:34,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-03 04:01:34,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:34,494 INFO L225 Difference]: With dead ends: 714 [2021-11-03 04:01:34,495 INFO L226 Difference]: Without dead ends: 440 [2021-11-03 04:01:34,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:01:34,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-03 04:01:34,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 282. [2021-11-03 04:01:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 254 states have (on average 1.5275590551181102) internal successors, (388), 281 states have internal predecessors, (388), 0 states have call successors, (0), 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 04:01:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 388 transitions. [2021-11-03 04:01:34,513 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 388 transitions. Word has length 16 [2021-11-03 04:01:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:34,513 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 388 transitions. [2021-11-03 04:01:34,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 388 transitions. [2021-11-03 04:01:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 04:01:34,514 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:34,515 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:34,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 04:01:34,515 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:34,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:34,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1092725341, now seen corresponding path program 1 times [2021-11-03 04:01:34,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:34,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158907341] [2021-11-03 04:01:34,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:34,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:01:34,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:34,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158907341] [2021-11-03 04:01:34,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158907341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:01:34,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087350324] [2021-11-03 04:01:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:34,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:01:34,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:01:34,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:01:34,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:01:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:34,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:01:34,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:01:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:01:34,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:01:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:01:34,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087350324] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:01:34,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1166090591] [2021-11-03 04:01:34,945 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-03 04:01:34,946 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:01:34,950 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:01:34,956 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:01:34,957 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:01:35,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:35,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:01:35,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:35,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:01:35,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:01:35,166 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-03 04:01:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,213 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 04:01:35,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:01:35,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:01:35,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:01:35,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:35,316 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 04:01:35,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:01:35,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:01:35,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:01:35,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:35,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:01:35,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:01:35,435 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:01:35,493 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:01:35,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:01:35,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,808 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:01:35,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:01:35,881 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:01:35,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:01:35,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:35,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:36,347 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:01:36,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:36,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:36,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:01:36,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:36,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:36,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:01:36,465 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:01:36,487 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:01:36,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:01:36,504 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:01:42,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1166090591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:42,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:01:42,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [3, 3, 3] total 15 [2021-11-03 04:01:42,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177795364] [2021-11-03 04:01:42,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 04:01:42,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:42,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 04:01:42,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-11-03 04:01:42,819 INFO L87 Difference]: Start difference. First operand 282 states and 388 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:45,160 INFO L93 Difference]: Finished difference Result 563 states and 779 transitions. [2021-11-03 04:01:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:01:45,174 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 04:01:45,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:45,177 INFO L225 Difference]: With dead ends: 563 [2021-11-03 04:01:45,177 INFO L226 Difference]: Without dead ends: 292 [2021-11-03 04:01:45,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-11-03 04:01:45,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-11-03 04:01:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 286. [2021-11-03 04:01:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 258 states have (on average 1.5193798449612403) internal successors, (392), 285 states have internal predecessors, (392), 0 states have call successors, (0), 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 04:01:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 392 transitions. [2021-11-03 04:01:45,193 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 392 transitions. Word has length 18 [2021-11-03 04:01:45,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:45,194 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 392 transitions. [2021-11-03 04:01:45,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 392 transitions. [2021-11-03 04:01:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 04:01:45,196 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:45,196 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:45,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:01:45,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:01:45,410 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:01:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:45,410 INFO L85 PathProgramCache]: Analyzing trace with hash 57550161, now seen corresponding path program 1 times [2021-11-03 04:01:45,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:45,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572584885] [2021-11-03 04:01:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 04:01:45,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:45,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572584885] [2021-11-03 04:01:45,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572584885] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:01:45,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85805948] [2021-11-03 04:01:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:45,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:01:45,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:01:45,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:01:45,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 04:01:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:45,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:01:45,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:01:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 04:01:45,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:01:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 04:01:45,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85805948] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:01:45,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [404993908] [2021-11-03 04:01:45,808 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2021-11-03 04:01:45,808 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:01:45,808 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:01:45,809 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:01:45,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:01:45,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:45,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:01:45,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:45,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:01:45,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:01:45,892 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-11-03 04:01:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,918 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 04:01:45,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:01:45,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:01:45,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:01:45,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:45,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:01:45,976 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 04:01:45,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:01:45,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:45,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:01:45,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:01:45,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:46,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:46,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:01:46,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:01:46,019 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:01:46,040 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:01:46,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:01:46,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,204 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:01:46,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:01:46,251 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:01:46,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:01:46,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,663 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:01:46,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:46,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:46,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:01:46,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:46,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:46,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:01:46,775 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:01:46,805 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:01:46,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:01:46,829 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:01:46,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:01:46,850 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:01:46,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:01:46,867 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:01:46,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:01:46,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:46,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,046 INFO L180 QuantifierPusher]: treesize reduction 132, result has 55.9 percent of original size [2021-11-03 04:01:47,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:01:47,073 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:01:47,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:01:47,089 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:01:47,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:01:47,118 INFO L180 QuantifierPusher]: treesize reduction 132, result has 55.9 percent of original size [2021-11-03 04:01:47,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:01:47,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:47,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,350 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:01:48,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-03 04:01:48,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 04:01:48,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 04:01:48,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-03 04:01:48,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-03 04:01:48,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:01:48,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 04:01:48,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 04:01:48,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:01:48,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:01:48,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:01:48,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:01:48,557 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:01:48,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:01:48,586 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.4 percent of original size 292 [2021-11-03 04:01:48,619 INFO L185 QuantifierPusher]: treesize reduction 245, result has 55.7 percent of original size 308 [2021-11-03 04:01:48,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:48,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:49,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:49,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:49,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:01:49,290 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:01:58,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [404993908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:01:58,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:01:58,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [3, 3, 3] total 19 [2021-11-03 04:01:58,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489823640] [2021-11-03 04:01:58,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-03 04:01:58,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:01:58,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-03 04:01:58,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-11-03 04:01:58,339 INFO L87 Difference]: Start difference. First operand 286 states and 392 transitions. Second operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 04:02:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:02:02,817 INFO L93 Difference]: Finished difference Result 532 states and 732 transitions. [2021-11-03 04:02:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 04:02:02,817 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 26 [2021-11-03 04:02:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:02:02,819 INFO L225 Difference]: With dead ends: 532 [2021-11-03 04:02:02,819 INFO L226 Difference]: Without dead ends: 261 [2021-11-03 04:02:02,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 56 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-11-03 04:02:02,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-03 04:02:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 253. [2021-11-03 04:02:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 228 states have (on average 1.5087719298245614) internal successors, (344), 252 states have internal predecessors, (344), 0 states have call successors, (0), 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 04:02:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 344 transitions. [2021-11-03 04:02:02,832 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 344 transitions. Word has length 26 [2021-11-03 04:02:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:02:02,833 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 344 transitions. [2021-11-03 04:02:02,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 04:02:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 344 transitions. [2021-11-03 04:02:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 04:02:02,834 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:02:02,834 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] [2021-11-03 04:02:02,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-03 04:02:03,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-03 04:02:03,050 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:02:03,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:02:03,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1967521911, now seen corresponding path program 1 times [2021-11-03 04:02:03,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:02:03,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011242977] [2021-11-03 04:02:03,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:03,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:02:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:02:03,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:02:03,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011242977] [2021-11-03 04:02:03,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011242977] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:02:03,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806336348] [2021-11-03 04:02:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:03,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:02:03,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:02:03,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:02:03,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 04:02:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:03,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:02:03,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:02:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:02:03,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:02:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:02:03,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806336348] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:02:03,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [795461982] [2021-11-03 04:02:03,384 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-03 04:02:03,384 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:02:03,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:02:03,385 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:02:03,385 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:02:03,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:03,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:02:03,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:03,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:02:03,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:02:03,429 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_11|], 21=[|v_#valid_12|]} [2021-11-03 04:02:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,444 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 04:02:03,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:03,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:03,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:03,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:03,500 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 04:02:03,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:03,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:03,505 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:03,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:03,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:02:03,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:02:03,534 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:02:03,548 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:02:03,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:02:03,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,665 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:03,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:03,700 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:03,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:03,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:03,968 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:02:03,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:03,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:04,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:02:04,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:04,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:04,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:02:04,055 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:02:04,074 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:02:04,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:02:04,105 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.1 percent of original size [2021-11-03 04:02:04,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:04,110 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:02:09,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [795461982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:02:09,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:02:09,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [3, 3, 3] total 19 [2021-11-03 04:02:09,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566099595] [2021-11-03 04:02:09,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-03 04:02:09,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:02:09,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-03 04:02:09,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-11-03 04:02:09,807 INFO L87 Difference]: Start difference. First operand 253 states and 344 transitions. Second operand has 16 states, 16 states have (on average 1.6875) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 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 04:02:12,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:02:12,126 INFO L93 Difference]: Finished difference Result 495 states and 675 transitions. [2021-11-03 04:02:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 04:02:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-11-03 04:02:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:02:12,128 INFO L225 Difference]: With dead ends: 495 [2021-11-03 04:02:12,128 INFO L226 Difference]: Without dead ends: 261 [2021-11-03 04:02:12,129 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2021-11-03 04:02:12,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-03 04:02:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2021-11-03 04:02:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 234 states have (on average 1.4957264957264957) internal successors, (350), 258 states have internal predecessors, (350), 0 states have call successors, (0), 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 04:02:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 350 transitions. [2021-11-03 04:02:12,142 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 350 transitions. Word has length 27 [2021-11-03 04:02:12,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:02:12,142 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 350 transitions. [2021-11-03 04:02:12,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 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 04:02:12,143 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 350 transitions. [2021-11-03 04:02:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 04:02:12,144 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:02:12,144 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] [2021-11-03 04:02:12,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-03 04:02:12,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2021-11-03 04:02:12,370 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:02:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:02:12,370 INFO L85 PathProgramCache]: Analyzing trace with hash -10347122, now seen corresponding path program 1 times [2021-11-03 04:02:12,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:02:12,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372990723] [2021-11-03 04:02:12,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:12,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:02:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:02:12,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:02:12,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372990723] [2021-11-03 04:02:12,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372990723] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:02:12,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683872973] [2021-11-03 04:02:12,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:12,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:02:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:02:12,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:02:12,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 04:02:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:12,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:02:12,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:02:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:02:12,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:02:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:02:12,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683872973] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:02:12,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1227344464] [2021-11-03 04:02:12,730 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2021-11-03 04:02:12,730 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:02:12,731 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:02:12,731 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:02:12,731 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:02:12,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:12,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:02:12,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:12,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:02:12,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:02:12,768 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_12|], 21=[|v_#valid_13|]} [2021-11-03 04:02:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,783 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 04:02:12,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:12,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:12,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:12,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:12,818 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 04:02:12,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:12,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:12,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:12,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:12,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:02:12,844 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:02:12,845 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:02:12,858 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:02:12,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:02:12,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:12,963 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:12,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:12,998 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:13,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:13,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,262 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:02:13,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:13,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:13,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:02:13,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:13,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:13,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:02:13,348 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:02:13,366 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:02:13,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:02:13,383 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:02:13,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:02:13,396 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:02:13,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:02:13,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,525 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:02:13,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:02:13,538 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:02:13,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:02:13,589 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:02:13,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:02:13,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,366 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:02:14,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:02:14,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:14,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:14,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:02:14,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:02:14,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:14,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:14,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:14,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:02:14,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:02:14,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,576 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:02:14,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:14,595 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:02:14,617 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:02:14,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:14,835 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:02:14,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:02:14,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:02:14,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:14,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:14,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:02:14,982 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:02:14,992 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:02:15,012 INFO L180 QuantifierPusher]: treesize reduction 133, result has 56.8 percent of original size [2021-11-03 04:02:15,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:02:15,023 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:02:26,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1227344464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:02:26,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:02:26,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [3, 3, 3] total 22 [2021-11-03 04:02:26,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213396800] [2021-11-03 04:02:26,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 04:02:26,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:02:26,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 04:02:26,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2021-11-03 04:02:26,483 INFO L87 Difference]: Start difference. First operand 259 states and 350 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 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 04:02:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:02:31,780 INFO L93 Difference]: Finished difference Result 497 states and 679 transitions. [2021-11-03 04:02:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-03 04:02:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2021-11-03 04:02:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:02:31,783 INFO L225 Difference]: With dead ends: 497 [2021-11-03 04:02:31,783 INFO L226 Difference]: Without dead ends: 266 [2021-11-03 04:02:31,784 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2021-11-03 04:02:31,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-03 04:02:31,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 265. [2021-11-03 04:02:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 240 states have (on average 1.4833333333333334) internal successors, (356), 264 states have internal predecessors, (356), 0 states have call successors, (0), 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 04:02:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 356 transitions. [2021-11-03 04:02:31,797 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 356 transitions. Word has length 29 [2021-11-03 04:02:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:02:31,797 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 356 transitions. [2021-11-03 04:02:31,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 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 04:02:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 356 transitions. [2021-11-03 04:02:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 04:02:31,799 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:02:31,799 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] [2021-11-03 04:02:31,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:02:32,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:02:32,010 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:02:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:02:32,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2111715029, now seen corresponding path program 1 times [2021-11-03 04:02:32,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:02:32,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433318285] [2021-11-03 04:02:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:32,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:02:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:02:32,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:02:32,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433318285] [2021-11-03 04:02:32,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433318285] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:02:32,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112456626] [2021-11-03 04:02:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:32,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:02:32,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:02:32,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:02:32,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 04:02:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:32,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:02:32,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:02:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:02:32,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:02:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:02:32,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112456626] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:02:32,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1161117393] [2021-11-03 04:02:32,406 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2021-11-03 04:02:32,406 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:02:32,406 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:02:32,407 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:02:32,407 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:02:32,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:32,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:02:32,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:32,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:02:32,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:02:32,447 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_14|]} [2021-11-03 04:02:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,461 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 04:02:32,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:32,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:32,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:32,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:32,494 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 04:02:32,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:32,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:32,498 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:32,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:02:32,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:02:32,514 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:02:32,526 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:02:32,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:02:32,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,610 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:32,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:32,638 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:32,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:32,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,838 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:02:32,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:32,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:02:32,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:32,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:32,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:02:32,890 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:02:32,913 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:02:32,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:02:32,932 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:02:32,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:02:32,943 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:02:32,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:02:32,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:32,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,038 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:02:33,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:02:33,053 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:02:33,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:02:33,088 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:02:33,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:02:33,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,683 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:02:33,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:02:33,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:33,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:33,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:02:33,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:02:33,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,776 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:02:33,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:33,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:33,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:33,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:02:33,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:02:33,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:33,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:33,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:33,833 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:02:33,846 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:02:33,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:33,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:34,064 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:02:34,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:34,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:34,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:02:34,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:34,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:34,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:02:34,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:34,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:34,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:34,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:34,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:02:34,187 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:02:34,192 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:02:34,208 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:02:34,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:02:34,220 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:02:45,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1161117393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:02:45,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:02:45,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [3, 3, 3] total 23 [2021-11-03 04:02:45,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949165732] [2021-11-03 04:02:45,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-03 04:02:45,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:02:45,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-03 04:02:45,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-11-03 04:02:45,325 INFO L87 Difference]: Start difference. First operand 265 states and 356 transitions. Second operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 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 04:02:49,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:02:49,605 INFO L93 Difference]: Finished difference Result 505 states and 688 transitions. [2021-11-03 04:02:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-03 04:02:49,606 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-03 04:02:49,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:02:49,608 INFO L225 Difference]: With dead ends: 505 [2021-11-03 04:02:49,608 INFO L226 Difference]: Without dead ends: 274 [2021-11-03 04:02:49,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 61 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2021-11-03 04:02:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-11-03 04:02:49,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 268. [2021-11-03 04:02:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 243 states have (on average 1.477366255144033) internal successors, (359), 267 states have internal predecessors, (359), 0 states have call successors, (0), 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 04:02:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 359 transitions. [2021-11-03 04:02:49,622 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 359 transitions. Word has length 30 [2021-11-03 04:02:49,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:02:49,623 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 359 transitions. [2021-11-03 04:02:49,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 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 04:02:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 359 transitions. [2021-11-03 04:02:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 04:02:49,624 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:02:49,624 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] [2021-11-03 04:02:49,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:02:49,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable179 [2021-11-03 04:02:49,842 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:02:49,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:02:49,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1308226697, now seen corresponding path program 1 times [2021-11-03 04:02:49,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:02:49,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544627517] [2021-11-03 04:02:49,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:49,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:02:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:02:49,875 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:02:49,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544627517] [2021-11-03 04:02:49,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544627517] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:02:49,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513084252] [2021-11-03 04:02:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:02:49,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:02:49,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:02:49,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:02:49,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 04:02:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:50,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:02:50,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:02:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:02:50,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:02:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:02:50,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513084252] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:02:50,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [206283371] [2021-11-03 04:02:50,226 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2021-11-03 04:02:50,226 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:02:50,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:02:50,226 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:02:50,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:02:50,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:50,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:02:50,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:50,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:02:50,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:02:50,264 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 21=[|v_#valid_15|]} [2021-11-03 04:02:50,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,281 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 04:02:50,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:50,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:02:50,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:50,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:02:50,321 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 04:02:50,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:50,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:02:50,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:02:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:02:50,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:02:50,344 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:02:50,352 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:02:50,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:02:50,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,419 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:50,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:50,441 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:02:50,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:02:50,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,631 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:02:50,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:50,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:02:50,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:50,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:50,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:02:50,672 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:02:50,685 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:02:50,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:02:50,710 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:02:50,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:02:50,723 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:02:50,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:02:50,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,822 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:02:50,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:02:50,828 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:02:50,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:02:50,854 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:02:50,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:02:50,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,341 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:02:51,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:02:51,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:51,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:51,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:02:51,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:02:51,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:51,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:51,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:02:51,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:02:51,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:02:51,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:02:51,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:02:51,504 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:02:51,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:51,514 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:02:51,526 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:02:51,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:02:51,674 INFO L180 QuantifierPusher]: treesize reduction 130, result has 61.0 percent of original size [2021-11-03 04:02:51,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:02:51,680 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:03:02,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [206283371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:03:02,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:03:02,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [3, 3, 3] total 21 [2021-11-03 04:03:02,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187401895] [2021-11-03 04:03:02,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-03 04:03:02,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:03:02,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-03 04:03:02,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-03 04:03:02,148 INFO L87 Difference]: Start difference. First operand 268 states and 359 transitions. Second operand has 18 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 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 04:03:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:03:06,220 INFO L93 Difference]: Finished difference Result 500 states and 679 transitions. [2021-11-03 04:03:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 04:03:06,220 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 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 35 [2021-11-03 04:03:06,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:03:06,222 INFO L225 Difference]: With dead ends: 500 [2021-11-03 04:03:06,222 INFO L226 Difference]: Without dead ends: 266 [2021-11-03 04:03:06,223 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2021-11-03 04:03:06,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-03 04:03:06,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 259. [2021-11-03 04:03:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 234 states have (on average 1.4914529914529915) internal successors, (349), 258 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:03:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 349 transitions. [2021-11-03 04:03:06,234 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 349 transitions. Word has length 35 [2021-11-03 04:03:06,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:03:06,235 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 349 transitions. [2021-11-03 04:03:06,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 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 04:03:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 349 transitions. [2021-11-03 04:03:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:03:06,236 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:03:06,237 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 04:03:06,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:03:06,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:06,462 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:03:06,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:03:06,462 INFO L85 PathProgramCache]: Analyzing trace with hash -527508047, now seen corresponding path program 1 times [2021-11-03 04:03:06,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:03:06,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107428178] [2021-11-03 04:03:06,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:06,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:03:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:03:06,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:03:06,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107428178] [2021-11-03 04:03:06,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107428178] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:03:06,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147907185] [2021-11-03 04:03:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:06,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:06,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:03:06,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:03:06,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 04:03:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:06,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:03:06,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:03:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:06,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:03:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:06,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147907185] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:03:06,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 04:03:06,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2021-11-03 04:03:06,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176585006] [2021-11-03 04:03:06,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:03:06,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:03:06,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:03:06,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:03:06,870 INFO L87 Difference]: Start difference. First operand 259 states and 349 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 04:03:06,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:03:06,908 INFO L93 Difference]: Finished difference Result 460 states and 626 transitions. [2021-11-03 04:03:06,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:03:06,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2021-11-03 04:03:06,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:03:06,912 INFO L225 Difference]: With dead ends: 460 [2021-11-03 04:03:06,912 INFO L226 Difference]: Without dead ends: 229 [2021-11-03 04:03:06,913 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:03:06,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-03 04:03:06,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-03 04:03:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 206 states have (on average 1.470873786407767) internal successors, (303), 228 states have internal predecessors, (303), 0 states have call successors, (0), 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 04:03:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 303 transitions. [2021-11-03 04:03:06,934 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 303 transitions. Word has length 39 [2021-11-03 04:03:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:03:06,934 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 303 transitions. [2021-11-03 04:03:06,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 04:03:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 303 transitions. [2021-11-03 04:03:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:03:06,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:03:06,935 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 04:03:06,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:03:07,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:07,136 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:03:07,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:03:07,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1415087589, now seen corresponding path program 1 times [2021-11-03 04:03:07,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:03:07,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886054717] [2021-11-03 04:03:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:07,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:03:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 04:03:07,175 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:03:07,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886054717] [2021-11-03 04:03:07,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886054717] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:03:07,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79177190] [2021-11-03 04:03:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:07,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:07,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:03:07,177 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:03:07,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 04:03:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:07,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:03:07,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:03:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:07,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:03:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:07,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79177190] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:03:07,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 04:03:07,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2021-11-03 04:03:07,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356505078] [2021-11-03 04:03:07,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:03:07,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:03:07,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:03:07,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:03:07,546 INFO L87 Difference]: Start difference. First operand 229 states and 303 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 04:03:07,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:03:07,579 INFO L93 Difference]: Finished difference Result 583 states and 784 transitions. [2021-11-03 04:03:07,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:03:07,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2021-11-03 04:03:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:03:07,581 INFO L225 Difference]: With dead ends: 583 [2021-11-03 04:03:07,581 INFO L226 Difference]: Without dead ends: 382 [2021-11-03 04:03:07,582 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:03:07,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-03 04:03:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 228. [2021-11-03 04:03:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 206 states have (on average 1.4611650485436893) internal successors, (301), 227 states have internal predecessors, (301), 0 states have call successors, (0), 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 04:03:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 301 transitions. [2021-11-03 04:03:07,595 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 301 transitions. Word has length 39 [2021-11-03 04:03:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:03:07,595 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 301 transitions. [2021-11-03 04:03:07,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 04:03:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 301 transitions. [2021-11-03 04:03:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 04:03:07,596 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:03:07,596 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] [2021-11-03 04:03:07,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:03:07,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:07,811 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:03:07,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:03:07,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1341784753, now seen corresponding path program 1 times [2021-11-03 04:03:07,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:03:07,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619492934] [2021-11-03 04:03:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:07,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:03:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:03:07,858 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:03:07,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619492934] [2021-11-03 04:03:07,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619492934] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:03:07,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349748218] [2021-11-03 04:03:07,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:07,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:07,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:03:07,874 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:03:07,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-03 04:03:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:08,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:03:08,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:03:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:03:08,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:03:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:03:08,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349748218] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:03:08,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [253623595] [2021-11-03 04:03:08,350 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-03 04:03:08,350 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:03:08,350 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:03:08,350 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:03:08,350 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:03:08,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:08,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:03:08,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:08,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:03:08,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:03:08,387 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_16|]} [2021-11-03 04:03:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,402 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 04:03:08,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:03:08,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:03:08,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:03:08,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:08,434 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 04:03:08,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:03:08,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:03:08,437 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:03:08,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:03:08,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:03:08,462 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:03:08,474 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:03:08,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:03:08,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,553 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:03:08,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:03:08,583 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:03:08,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:03:08,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,819 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:03:08,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:08,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:03:08,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:08,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:08,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:03:08,878 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:03:08,891 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:03:08,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:03:08,907 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:03:08,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:03:08,918 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:03:08,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:03:08,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:08,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,005 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:03:09,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:03:09,010 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:03:09,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:03:09,029 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:03:09,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:03:09,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,580 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:03:09,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:03:09,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:09,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:09,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:03:09,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:03:09,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,682 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:03:09,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:03:09,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:09,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:09,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:03:09,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:03:09,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:09,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:09,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:03:09,764 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:03:09,785 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:03:09,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:09,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:10,020 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:03:10,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:10,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:10,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:03:10,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:10,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:10,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:03:10,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:10,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:10,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:10,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:10,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:03:10,164 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:03:10,169 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:03:10,192 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:03:10,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:03:10,217 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 04:03:10,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:03:10,221 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:03:22,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [253623595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:03:22,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:03:22,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [3, 3, 3] total 27 [2021-11-03 04:03:22,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363349143] [2021-11-03 04:03:22,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-03 04:03:22,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:03:22,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-03 04:03:22,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2021-11-03 04:03:22,715 INFO L87 Difference]: Start difference. First operand 228 states and 301 transitions. Second operand has 24 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 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 04:03:26,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:03:26,979 INFO L93 Difference]: Finished difference Result 419 states and 558 transitions. [2021-11-03 04:03:26,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-03 04:03:26,980 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2021-11-03 04:03:26,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:03:26,981 INFO L225 Difference]: With dead ends: 419 [2021-11-03 04:03:26,982 INFO L226 Difference]: Without dead ends: 234 [2021-11-03 04:03:26,982 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 87 SyntacticMatches, 8 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2021-11-03 04:03:26,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-11-03 04:03:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2021-11-03 04:03:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 208 states have (on average 1.4567307692307692) internal successors, (303), 229 states have internal predecessors, (303), 0 states have call successors, (0), 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 04:03:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 303 transitions. [2021-11-03 04:03:26,994 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 303 transitions. Word has length 40 [2021-11-03 04:03:26,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:03:26,994 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 303 transitions. [2021-11-03 04:03:26,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 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 04:03:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 303 transitions. [2021-11-03 04:03:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 04:03:26,995 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:03:26,996 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] [2021-11-03 04:03:27,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-03 04:03:27,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:27,198 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:03:27,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:03:27,198 INFO L85 PathProgramCache]: Analyzing trace with hash -963834520, now seen corresponding path program 1 times [2021-11-03 04:03:27,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:03:27,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731117559] [2021-11-03 04:03:27,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:27,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:03:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:03:27,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:03:27,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731117559] [2021-11-03 04:03:27,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731117559] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:03:27,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300281115] [2021-11-03 04:03:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:27,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:27,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:03:27,240 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:03:27,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-03 04:03:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:27,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:03:27,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:03:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:03:27,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:03:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:03:27,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300281115] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:03:27,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [809610713] [2021-11-03 04:03:27,680 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2021-11-03 04:03:27,681 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:03:27,681 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:03:27,681 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:03:27,681 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:03:27,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:27,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:03:27,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:27,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:03:27,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:03:27,712 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 21=[|v_#valid_17|]} [2021-11-03 04:03:27,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,725 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 04:03:27,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:03:27,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:03:27,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:03:27,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:27,749 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 04:03:27,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:03:27,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:03:27,755 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:03:27,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:27,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:03:27,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:03:27,765 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:03:27,771 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:03:27,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:03:27,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,841 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:03:27,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:03:27,871 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:03:27,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:03:27,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:27,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,107 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:03:28,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:03:28,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:03:28,162 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:03:28,171 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:03:28,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:03:28,179 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:03:28,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:03:28,185 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:03:28,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:03:28,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,263 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:03:28,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:03:28,274 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:03:28,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:03:28,299 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:03:28,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:03:28,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:28,849 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:03:28,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:03:28,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:28,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:28,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:03:28,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:03:28,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:03:28,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:28,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:03:28,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:28,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:03:28,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:03:28,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:28,994 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:03:28,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:03:29,010 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:03:29,022 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:03:29,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,181 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:03:29,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:29,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:29,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:03:29,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:29,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:29,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:03:29,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:29,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:29,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:29,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:29,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:03:29,270 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:03:29,275 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:03:29,285 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:03:29,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:03:29,299 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:03:29,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:03:29,306 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:03:29,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:29,317 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:03:29,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:03:29,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,378 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:03:29,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:29,383 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:03:29,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:29,391 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:03:29,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:03:29,404 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:03:29,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:29,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:29,831 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:03:29,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:29,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:29,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:03:29,872 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:03:29,899 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:03:46,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [809610713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:03:46,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:03:46,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [3, 3, 3] total 27 [2021-11-03 04:03:46,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185598731] [2021-11-03 04:03:46,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-03 04:03:46,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:03:46,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-03 04:03:46,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2021-11-03 04:03:46,691 INFO L87 Difference]: Start difference. First operand 230 states and 303 transitions. Second operand has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 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 04:03:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:03:53,001 INFO L93 Difference]: Finished difference Result 430 states and 574 transitions. [2021-11-03 04:03:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-03 04:03:53,002 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 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 40 [2021-11-03 04:03:53,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:03:53,003 INFO L225 Difference]: With dead ends: 430 [2021-11-03 04:03:53,003 INFO L226 Difference]: Without dead ends: 230 [2021-11-03 04:03:53,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 84 SyntacticMatches, 11 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 20.8s TimeCoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2021-11-03 04:03:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-11-03 04:03:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 225. [2021-11-03 04:03:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 204 states have (on average 1.4411764705882353) internal successors, (294), 224 states have internal predecessors, (294), 0 states have call successors, (0), 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 04:03:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 294 transitions. [2021-11-03 04:03:53,013 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 294 transitions. Word has length 40 [2021-11-03 04:03:53,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:03:53,013 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 294 transitions. [2021-11-03 04:03:53,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 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 04:03:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 294 transitions. [2021-11-03 04:03:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 04:03:53,014 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:03:53,014 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] [2021-11-03 04:03:53,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-03 04:03:53,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:53,216 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:03:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:03:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 931962504, now seen corresponding path program 1 times [2021-11-03 04:03:53,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:03:53,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147952771] [2021-11-03 04:03:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:53,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:03:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:53,245 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:03:53,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147952771] [2021-11-03 04:03:53,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147952771] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:03:53,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48697460] [2021-11-03 04:03:53,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:03:53,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:03:53,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:03:53,247 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:03:53,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-03 04:03:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:03:53,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:03:53,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:03:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:53,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:03:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:03:53,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48697460] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:03:53,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1436724947] [2021-11-03 04:03:53,686 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2021-11-03 04:03:53,686 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:03:53,686 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:03:53,686 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:03:53,686 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:03:53,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:53,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:03:53,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:53,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:03:53,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:03:53,727 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_18|]} [2021-11-03 04:03:53,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,740 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 04:03:53,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:03:53,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:03:53,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:03:53,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:03:53,771 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 04:03:53,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:03:53,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:03:53,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:03:53,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:53,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:03:53,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:03:53,789 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:03:53,798 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:03:53,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:03:53,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,870 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:03:53,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:03:53,890 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:03:53,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:03:53,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:53,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,035 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:03:54,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:03:54,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:03:54,064 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:03:54,073 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:03:54,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:03:54,084 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:03:54,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:03:54,090 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:03:54,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:03:54,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,140 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:03:54,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:03:54,145 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:03:54,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:03:54,163 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:03:54,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:03:54,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,666 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:03:54,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:03:54,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-11-03 04:03:54,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:03:54,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:03:54,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:03:54,734 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:03:54,756 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:03:54,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:54,894 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:03:54,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:03:54,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:54,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:03:54,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:54,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:55,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:03:55,016 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:03:55,020 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:03:55,030 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:03:55,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:03:55,037 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:03:55,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:03:55,043 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:03:55,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:55,049 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:03:55,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:03:55,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,112 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:03:55,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:55,117 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:03:55,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:55,124 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:03:55,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:03:55,137 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:03:55,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:03:55,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:03:55,582 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:03:55,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:55,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:03:55,642 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:03:55,688 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:03:55,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:55,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:03:55,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:55,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:03:55,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:55,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:03:55,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:03:55,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:03:55,774 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:03:55,779 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:03:55,790 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:04:13,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1436724947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:04:13,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:04:13,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [3, 3, 3] total 31 [2021-11-03 04:04:13,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589079934] [2021-11-03 04:04:13,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-03 04:04:13,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:04:13,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-03 04:04:13,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2021-11-03 04:04:13,982 INFO L87 Difference]: Start difference. First operand 225 states and 294 transitions. Second operand has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 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 04:04:19,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:04:19,944 INFO L93 Difference]: Finished difference Result 423 states and 561 transitions. [2021-11-03 04:04:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-03 04:04:19,944 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2021-11-03 04:04:19,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:04:19,945 INFO L225 Difference]: With dead ends: 423 [2021-11-03 04:04:19,946 INFO L226 Difference]: Without dead ends: 241 [2021-11-03 04:04:19,947 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 86 SyntacticMatches, 11 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=194, Invalid=1288, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 04:04:19,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-11-03 04:04:19,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 233. [2021-11-03 04:04:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 212 states have (on average 1.4245283018867925) internal successors, (302), 232 states have internal predecessors, (302), 0 states have call successors, (0), 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 04:04:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 302 transitions. [2021-11-03 04:04:19,962 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 302 transitions. Word has length 42 [2021-11-03 04:04:19,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:04:19,962 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 302 transitions. [2021-11-03 04:04:19,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 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 04:04:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 302 transitions. [2021-11-03 04:04:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 04:04:19,963 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:04:19,963 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 04:04:20,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-03 04:04:20,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable434 [2021-11-03 04:04:20,189 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:04:20,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:04:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash -458565300, now seen corresponding path program 1 times [2021-11-03 04:04:20,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:04:20,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312821522] [2021-11-03 04:04:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:04:20,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:04:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:04:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:04:20,220 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:04:20,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312821522] [2021-11-03 04:04:20,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312821522] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:04:20,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867165559] [2021-11-03 04:04:20,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:04:20,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:04:20,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:04:20,221 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:04:20,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-03 04:04:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:04:20,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:04:20,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:04:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:04:20,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:04:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:04:20,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867165559] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:04:20,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1450813396] [2021-11-03 04:04:20,717 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2021-11-03 04:04:20,717 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:04:20,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:04:20,717 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:04:20,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:04:20,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:20,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:04:20,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:20,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:04:20,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:04:20,777 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_19|]} [2021-11-03 04:04:20,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,791 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 04:04:20,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:04:20,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:04:20,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:04:20,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:20,824 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 04:04:20,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:04:20,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:04:20,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:04:20,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:20,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:04:20,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:04:20,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:04:20,854 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:04:20,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:04:20,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,925 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:04:20,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:04:20,947 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:04:20,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:04:20,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:20,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,083 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:04:21,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:04:21,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:04:21,112 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:04:21,121 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:04:21,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:04:21,132 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:04:21,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:04:21,137 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:04:21,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:04:21,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,201 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:04:21,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:04:21,206 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:04:21,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:04:21,228 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:04:21,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:04:21,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,717 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:04:21,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:04:21,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:21,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:21,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:04:21,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:04:21,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:04:21,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:21,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:21,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:04:21,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:04:21,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,817 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:04:21,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:04:21,827 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:04:21,838 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:04:21,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:21,962 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:04:21,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:21,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:04:21,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:21,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:22,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:04:22,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:22,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:22,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:22,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:22,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:04:22,035 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:04:22,039 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:04:22,048 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:04:22,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:04:22,073 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:04:22,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:04:22,085 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:04:22,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:22,096 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:04:22,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:04:22,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,184 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:04:22,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:22,192 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:04:22,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:22,202 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:04:22,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:04:22,219 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:04:22,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:22,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:22,540 INFO L180 QuantifierPusher]: treesize reduction 136, result has 59.6 percent of original size [2021-11-03 04:04:22,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:04:22,570 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:04:22,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:22,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:22,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:04:22,602 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:04:22,623 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:04:39,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1450813396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:04:39,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:04:39,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [3, 3, 3] total 29 [2021-11-03 04:04:39,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049753965] [2021-11-03 04:04:39,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-03 04:04:39,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:04:39,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-03 04:04:39,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-11-03 04:04:39,660 INFO L87 Difference]: Start difference. First operand 233 states and 302 transitions. Second operand has 26 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 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 04:04:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:04:45,198 INFO L93 Difference]: Finished difference Result 418 states and 552 transitions. [2021-11-03 04:04:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-03 04:04:45,198 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 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 50 [2021-11-03 04:04:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:04:45,199 INFO L225 Difference]: With dead ends: 418 [2021-11-03 04:04:45,200 INFO L226 Difference]: Without dead ends: 233 [2021-11-03 04:04:45,200 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 112 SyntacticMatches, 11 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=175, Invalid=1157, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 04:04:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-03 04:04:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 222. [2021-11-03 04:04:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.4427860696517414) internal successors, (290), 221 states have internal predecessors, (290), 0 states have call successors, (0), 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 04:04:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 290 transitions. [2021-11-03 04:04:45,213 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 290 transitions. Word has length 50 [2021-11-03 04:04:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:04:45,214 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 290 transitions. [2021-11-03 04:04:45,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 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 04:04:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 290 transitions. [2021-11-03 04:04:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 04:04:45,215 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:04:45,215 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] [2021-11-03 04:04:45,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-03 04:04:45,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable518 [2021-11-03 04:04:45,430 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:04:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:04:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 924193532, now seen corresponding path program 1 times [2021-11-03 04:04:45,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:04:45,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940910246] [2021-11-03 04:04:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:04:45,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:04:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:04:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:04:45,474 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:04:45,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940910246] [2021-11-03 04:04:45,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940910246] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:04:45,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570532103] [2021-11-03 04:04:45,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:04:45,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:04:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:04:45,479 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:04:45,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-03 04:04:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:04:45,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:04:45,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:04:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:04:45,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:04:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:04:45,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570532103] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:04:45,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [656454421] [2021-11-03 04:04:45,943 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2021-11-03 04:04:45,943 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:04:45,943 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:04:45,944 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:04:45,944 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:04:45,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:45,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:45,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:45,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:04:45,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:45,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:45,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:04:45,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:04:45,989 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 21=[|v_#valid_20|]} [2021-11-03 04:04:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,001 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 04:04:46,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:04:46,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:04:46,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:04:46,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:46,028 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 04:04:46,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:04:46,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:04:46,031 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:04:46,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:04:46,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:04:46,041 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:04:46,047 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:04:46,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:04:46,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,101 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:04:46,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:04:46,117 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:04:46,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:04:46,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,267 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:04:46,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:46,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:04:46,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:46,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:46,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:04:46,294 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:04:46,303 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:04:46,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:04:46,310 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:04:46,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:04:46,328 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:04:46,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:04:46,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,408 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:04:46,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:04:46,417 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:04:46,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:04:46,445 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:04:46,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:04:46,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:46,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,173 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:04:47,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:04:47,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:47,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:47,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:04:47,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:04:47,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:04:47,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:47,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:04:47,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:04:47,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:04:47,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,306 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:04:47,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:04:47,316 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:04:47,327 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:04:47,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,453 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:04:47,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:04:47,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:04:47,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:47,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:47,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:04:47,535 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:04:47,539 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:04:47,548 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:04:47,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:04:47,556 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:04:47,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:04:47,561 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:04:47,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:47,567 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:04:47,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:04:47,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,617 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:04:47,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:47,622 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:04:47,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:47,629 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:04:47,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:04:47,642 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:04:47,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:04:47,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:47,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:48,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:48,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:48,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:04:48,147 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:04:48,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:48,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:48,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:04:48,178 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:04:48,223 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:04:48,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:48,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:48,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:04:48,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:48,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:48,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:04:48,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:48,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:48,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:04:48,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:48,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:04:48,330 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:04:48,339 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:04:48,382 INFO L180 QuantifierPusher]: treesize reduction 155, result has 64.0 percent of original size [2021-11-03 04:04:48,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-03 04:04:48,393 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:05:09,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [656454421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:05:09,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:05:09,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [3, 3, 3] total 35 [2021-11-03 04:05:09,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478254762] [2021-11-03 04:05:09,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-03 04:05:09,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:05:09,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-03 04:05:09,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2021-11-03 04:05:09,126 INFO L87 Difference]: Start difference. First operand 222 states and 290 transitions. Second operand has 32 states, 32 states have (on average 1.5625) internal successors, (50), 31 states have internal predecessors, (50), 0 states have call successors, (0), 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 04:05:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:05:15,788 INFO L93 Difference]: Finished difference Result 389 states and 512 transitions. [2021-11-03 04:05:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-03 04:05:15,789 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.5625) internal successors, (50), 31 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-11-03 04:05:15,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:05:15,790 INFO L225 Difference]: With dead ends: 389 [2021-11-03 04:05:15,790 INFO L226 Difference]: Without dead ends: 235 [2021-11-03 04:05:15,791 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 106 SyntacticMatches, 11 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=232, Invalid=1574, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 04:05:15,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-11-03 04:05:15,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 224. [2021-11-03 04:05:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 203 states have (on average 1.438423645320197) internal successors, (292), 223 states have internal predecessors, (292), 0 states have call successors, (0), 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 04:05:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 292 transitions. [2021-11-03 04:05:15,804 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 292 transitions. Word has length 50 [2021-11-03 04:05:15,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:05:15,805 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 292 transitions. [2021-11-03 04:05:15,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.5625) internal successors, (50), 31 states have internal predecessors, (50), 0 states have call successors, (0), 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 04:05:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions. [2021-11-03 04:05:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 04:05:15,806 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:05:15,806 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 04:05:15,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-03 04:05:16,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-11-03 04:05:16,018 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:05:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:05:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash 293028093, now seen corresponding path program 1 times [2021-11-03 04:05:16,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:05:16,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783704568] [2021-11-03 04:05:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:05:16,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:05:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:05:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:05:16,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:05:16,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783704568] [2021-11-03 04:05:16,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783704568] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:05:16,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871273482] [2021-11-03 04:05:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:05:16,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:05:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:05:16,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:05:16,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-03 04:05:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:05:16,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:05:16,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:05:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:05:16,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:05:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:05:16,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871273482] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:05:16,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1647343464] [2021-11-03 04:05:16,612 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-03 04:05:16,614 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:05:16,615 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:05:16,617 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:05:16,617 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:05:16,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:16,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:05:16,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:16,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:05:16,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:05:16,670 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_21|]} [2021-11-03 04:05:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,681 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 04:05:16,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:05:16,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:05:16,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:05:16,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:16,706 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 04:05:16,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:05:16,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:05:16,709 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:05:16,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:05:16,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:05:16,723 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:05:16,733 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:05:16,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:05:16,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,786 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:05:16,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:05:16,801 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:05:16,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:05:16,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:16,936 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:05:16,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:16,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:05:16,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:16,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:16,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:05:16,964 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:05:16,973 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:05:16,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:05:16,981 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:05:16,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:05:16,987 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:05:16,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:05:16,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,053 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:05:17,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:05:17,058 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:05:17,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:05:17,079 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:05:17,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:05:17,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,589 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:05:17,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:05:17,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-11-03 04:05:17,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:05:17,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:05:17,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:05:17,706 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:05:17,728 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:05:17,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:17,930 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:05:17,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:05:17,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:17,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:17,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:05:18,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:05:18,028 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:05:18,036 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:05:18,051 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:05:18,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:05:18,064 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:05:18,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:05:18,077 INFO L180 QuantifierPusher]: treesize reduction 13, result has 94.1 percent of original size [2021-11-03 04:05:18,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:18,088 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:05:18,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:05:18,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,180 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:05:18,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:18,188 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:05:18,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:18,198 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:05:18,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:05:18,217 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:05:18,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:18,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,759 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:05:18,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:05:18,790 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:05:18,835 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:05:18,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:05:18,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:05:18,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:18,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:18,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:05:18,908 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:05:18,913 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:05:18,926 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:05:18,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 04:05:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:18,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,017 INFO L180 QuantifierPusher]: treesize reduction 148, result has 60.4 percent of original size [2021-11-03 04:05:19,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:05:19,048 INFO L180 QuantifierPusher]: treesize reduction 148, result has 60.4 percent of original size [2021-11-03 04:05:19,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:05:19,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:19,370 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:05:41,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1647343464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:05:41,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:05:41,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [3, 3, 3] total 36 [2021-11-03 04:05:41,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848874801] [2021-11-03 04:05:41,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-03 04:05:41,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:05:41,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-03 04:05:41,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1188, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 04:05:41,490 INFO L87 Difference]: Start difference. First operand 224 states and 292 transitions. Second operand has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 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 04:05:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:05:49,005 INFO L93 Difference]: Finished difference Result 399 states and 526 transitions. [2021-11-03 04:05:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-03 04:05:49,005 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 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 51 [2021-11-03 04:05:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:05:49,006 INFO L225 Difference]: With dead ends: 399 [2021-11-03 04:05:49,006 INFO L226 Difference]: Without dead ends: 217 [2021-11-03 04:05:49,008 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 110 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 26.5s TimeCoverageRelationStatistics Valid=218, Invalid=1762, Unknown=0, NotChecked=0, Total=1980 [2021-11-03 04:05:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-03 04:05:49,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 205. [2021-11-03 04:05:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 186 states have (on average 1.4193548387096775) internal successors, (264), 204 states have internal predecessors, (264), 0 states have call successors, (0), 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 04:05:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 264 transitions. [2021-11-03 04:05:49,019 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 264 transitions. Word has length 51 [2021-11-03 04:05:49,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:05:49,019 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 264 transitions. [2021-11-03 04:05:49,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 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 04:05:49,019 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 264 transitions. [2021-11-03 04:05:49,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 04:05:49,020 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:05:49,020 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] [2021-11-03 04:05:49,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-03 04:05:49,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable682,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:05:49,238 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:05:49,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:05:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash 469353173, now seen corresponding path program 1 times [2021-11-03 04:05:49,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:05:49,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273165804] [2021-11-03 04:05:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:05:49,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:05:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:05:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:05:49,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:05:49,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273165804] [2021-11-03 04:05:49,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273165804] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:05:49,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789801998] [2021-11-03 04:05:49,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:05:49,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:05:49,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:05:49,298 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:05:49,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-03 04:05:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:05:49,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:05:49,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:05:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:05:49,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:05:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:05:49,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789801998] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:05:49,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1160843274] [2021-11-03 04:05:49,835 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2021-11-03 04:05:49,836 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:05:49,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:05:49,836 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:05:49,836 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:05:49,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:49,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:05:49,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:49,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:05:49,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:05:49,874 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_22|]} [2021-11-03 04:05:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,884 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 04:05:49,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:05:49,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:05:49,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:05:49,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:05:49,913 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 04:05:49,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:05:49,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:05:49,916 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:05:49,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:49,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:05:49,924 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:05:49,924 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:05:49,930 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:05:49,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:05:49,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:49,974 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:05:49,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:05:49,990 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:05:49,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:05:49,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,127 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:05:50,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:05:50,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:05:50,163 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:05:50,172 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:05:50,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:05:50,179 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:05:50,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:05:50,185 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:05:50,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:05:50,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,233 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:05:50,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:05:50,238 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:05:50,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:05:50,290 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:05:50,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:05:50,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:50,935 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:05:50,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:05:50,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-11-03 04:05:50,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:05:50,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:05:50,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:50,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:50,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:05:50,992 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:05:51,003 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:05:51,044 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:05:51,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:05:51,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:05:51,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:05:51,118 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:05:51,122 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:05:51,142 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:05:51,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:05:51,153 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:05:51,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:05:51,163 INFO L180 QuantifierPusher]: treesize reduction 13, result has 94.1 percent of original size [2021-11-03 04:05:51,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:51,171 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:05:51,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:05:51,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,223 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:05:51,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:51,228 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:05:51,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:51,236 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:05:51,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:05:51,248 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:05:51,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:05:51,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,491 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:05:51,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:05:51,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:05:51,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:51,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:51,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:05:51,548 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:05:51,552 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:05:51,564 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:05:51,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 04:05:51,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,630 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:05:51,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:05:51,666 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:05:51,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:05:51,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:51,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,006 INFO L180 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-11-03 04:05:52,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 556 [2021-11-03 04:05:52,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:05:52,262 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:05:52,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:05:52,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:05:52,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:05:52,293 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:05:52,313 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:06:17,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1160843274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:06:17,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:06:17,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [3, 3, 3] total 40 [2021-11-03 04:06:17,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858825796] [2021-11-03 04:06:17,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-03 04:06:17,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:06:17,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-03 04:06:17,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1474, Unknown=0, NotChecked=0, Total=1640 [2021-11-03 04:06:17,406 INFO L87 Difference]: Start difference. First operand 205 states and 264 transitions. Second operand has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 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 04:06:24,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:06:24,867 INFO L93 Difference]: Finished difference Result 372 states and 486 transitions. [2021-11-03 04:06:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-03 04:06:24,867 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-11-03 04:06:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:06:24,868 INFO L225 Difference]: With dead ends: 372 [2021-11-03 04:06:24,869 INFO L226 Difference]: Without dead ends: 220 [2021-11-03 04:06:24,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 109 SyntacticMatches, 9 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 29.6s TimeCoverageRelationStatistics Valid=240, Invalid=2112, Unknown=0, NotChecked=0, Total=2352 [2021-11-03 04:06:24,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-03 04:06:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 209. [2021-11-03 04:06:24,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 190 states have (on average 1.4105263157894736) internal successors, (268), 208 states have internal predecessors, (268), 0 states have call successors, (0), 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 04:06:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2021-11-03 04:06:24,885 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 52 [2021-11-03 04:06:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:06:24,886 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2021-11-03 04:06:24,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 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 04:06:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2021-11-03 04:06:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:06:24,887 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:06:24,887 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] [2021-11-03 04:06:24,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-03 04:06:25,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable797 [2021-11-03 04:06:25,093 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:06:25,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:06:25,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1044612037, now seen corresponding path program 1 times [2021-11-03 04:06:25,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:06:25,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632252055] [2021-11-03 04:06:25,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:06:25,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:06:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:06:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:06:25,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:06:25,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632252055] [2021-11-03 04:06:25,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632252055] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:06:25,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471389812] [2021-11-03 04:06:25,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:06:25,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:06:25,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:06:25,123 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:06:25,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-03 04:06:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:06:25,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:06:25,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:06:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:06:25,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:06:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:06:25,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471389812] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:06:25,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [96440961] [2021-11-03 04:06:25,684 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2021-11-03 04:06:25,684 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:06:25,684 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:06:25,684 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:06:25,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:06:25,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:25,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:06:25,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:25,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:06:25,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:06:25,732 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 21=[|v_#valid_23|]} [2021-11-03 04:06:25,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,742 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 04:06:25,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:06:25,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:06:25,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:06:25,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:25,771 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 04:06:25,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:06:25,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:06:25,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:06:25,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:25,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:06:25,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:06:25,782 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:06:25,788 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:06:25,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:06:25,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,836 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:06:25,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:06:25,852 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:06:25,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:06:25,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:25,980 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:06:25,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:25,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:06:26,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:06:26,025 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:06:26,034 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:06:26,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:06:26,041 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:06:26,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:06:26,046 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:06:26,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:06:26,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,094 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:06:26,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:06:26,099 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:06:26,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:06:26,131 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:06:26,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:06:26,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,661 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:06:26,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:06:26,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-11-03 04:06:26,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:06:26,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:06:26,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:06:26,717 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:06:26,728 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:06:26,760 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:06:26,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:06:26,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:06:26,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:26,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:26,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:06:26,876 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:06:26,884 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:06:26,899 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:06:26,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:06:26,911 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:06:26,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:06:26,921 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:06:26,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:06:26,930 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:06:26,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:06:26,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:26,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,002 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:06:27,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:06:27,006 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:06:27,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:06:27,013 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:06:27,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:06:27,025 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:06:27,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:06:27,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,249 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:06:27,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:27,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:27,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:06:27,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:27,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:27,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:06:27,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:27,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:27,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:27,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:27,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:06:27,306 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:06:27,311 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:06:27,332 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:06:27,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 04:06:27,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,403 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:06:27,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:06:27,430 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:06:27,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:06:27,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,751 INFO L180 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-11-03 04:06:27,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 556 [2021-11-03 04:06:27,781 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.5 percent of original size [2021-11-03 04:06:27,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 574 [2021-11-03 04:06:27,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:27,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 727 [2021-11-03 04:06:27,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:27,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:06:28,060 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:06:28,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:06:28,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:28,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:06:28,105 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:06:28,124 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:06:56,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [96440961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:06:56,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:06:56,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [3, 3, 3] total 42 [2021-11-03 04:06:56,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655469067] [2021-11-03 04:06:56,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-03 04:06:56,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:06:56,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-03 04:06:56,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1634, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 04:06:56,195 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 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 04:07:04,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:04,113 INFO L93 Difference]: Finished difference Result 375 states and 490 transitions. [2021-11-03 04:07:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-03 04:07:04,113 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-03 04:07:04,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:04,114 INFO L225 Difference]: With dead ends: 375 [2021-11-03 04:07:04,114 INFO L226 Difference]: Without dead ends: 223 [2021-11-03 04:07:04,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 112 SyntacticMatches, 10 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 32.7s TimeCoverageRelationStatistics Valid=246, Invalid=2304, Unknown=0, NotChecked=0, Total=2550 [2021-11-03 04:07:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-11-03 04:07:04,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 212. [2021-11-03 04:07:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 193 states have (on average 1.4041450777202074) internal successors, (271), 211 states have internal predecessors, (271), 0 states have call successors, (0), 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 04:07:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 271 transitions. [2021-11-03 04:07:04,127 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 271 transitions. Word has length 54 [2021-11-03 04:07:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:04,127 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 271 transitions. [2021-11-03 04:07:04,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 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 04:07:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 271 transitions. [2021-11-03 04:07:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-03 04:07:04,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:07:04,129 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] [2021-11-03 04:07:04,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-03 04:07:04,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable908 [2021-11-03 04:07:04,354 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:07:04,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash -730585547, now seen corresponding path program 1 times [2021-11-03 04:07:04,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:07:04,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89717306] [2021-11-03 04:07:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:04,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:07:04,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:07:04,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89717306] [2021-11-03 04:07:04,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89717306] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:07:04,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101097491] [2021-11-03 04:07:04,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:04,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:07:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:07:04,381 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:07:04,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-03 04:07:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:04,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:07:04,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:07:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:07:04,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:07:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:07:04,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101097491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:07:04,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1883930146] [2021-11-03 04:07:04,997 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2021-11-03 04:07:04,997 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:07:04,998 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:07:04,998 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:07:04,998 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:07:05,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:05,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:07:05,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:05,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:07:05,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:07:05,066 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_24|]} [2021-11-03 04:07:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,078 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 04:07:05,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:07:05,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:07:05,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:07:05,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:05,107 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 04:07:05,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:07:05,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:07:05,110 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:07:05,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:07:05,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:07:05,120 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:07:05,126 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:07:05,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:07:05,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,185 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:07:05,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:07:05,202 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:07:05,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:07:05,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,345 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:07:05,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:05,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:07:05,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:05,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:05,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:07:05,374 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:07:05,382 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:07:05,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:07:05,400 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:07:05,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:07:05,406 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:07:05,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:07:05,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,459 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:07:05,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:07:05,464 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:07:05,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:07:05,480 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:07:05,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:07:05,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:05,993 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:07:05,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:05,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:07:06,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-11-03 04:07:06,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:07:06,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:07:06,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:07:06,073 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:07:06,085 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:07:06,124 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:07:06,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:07:06,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:07:06,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:07:06,210 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:07:06,215 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:07:06,224 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:07:06,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:07:06,232 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:07:06,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:07:06,237 INFO L180 QuantifierPusher]: treesize reduction 13, result has 94.1 percent of original size [2021-11-03 04:07:06,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:06,243 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:07:06,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:07:06,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,294 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:07:06,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:06,299 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:07:06,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:06,306 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:07:06,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:07:06,318 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:07:06,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:06,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,792 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:07:06,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:07:06,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:07:06,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:06,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:06,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:07:06,849 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:07:06,854 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:07:06,865 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:07:06,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 04:07:06,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,930 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:07:06,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:07:06,954 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:07:06,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:07:06,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,206 INFO L180 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-11-03 04:07:07,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 556 [2021-11-03 04:07:07,250 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.5 percent of original size [2021-11-03 04:07:07,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 574 [2021-11-03 04:07:07,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:07,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 727 [2021-11-03 04:07:07,302 INFO L180 QuantifierPusher]: treesize reduction 4, result has 99.5 percent of original size [2021-11-03 04:07:07,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 733 [2021-11-03 04:07:07,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:07,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 886 [2021-11-03 04:07:07,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:07,489 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:07:07,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:07,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:07,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:07:07,557 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:07:07,588 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:07:39,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1883930146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:39,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:07:39,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [3, 3, 3] total 44 [2021-11-03 04:07:39,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891091718] [2021-11-03 04:07:39,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-03 04:07:39,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:07:39,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-03 04:07:39,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1803, Unknown=0, NotChecked=0, Total=1980 [2021-11-03 04:07:39,198 INFO L87 Difference]: Start difference. First operand 212 states and 271 transitions. Second operand has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 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 04:07:47,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:47,725 INFO L93 Difference]: Finished difference Result 379 states and 495 transitions. [2021-11-03 04:07:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-03 04:07:47,726 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-03 04:07:47,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:47,727 INFO L225 Difference]: With dead ends: 379 [2021-11-03 04:07:47,728 INFO L226 Difference]: Without dead ends: 227 [2021-11-03 04:07:47,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 117 SyntacticMatches, 12 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 36.1s TimeCoverageRelationStatistics Valid=251, Invalid=2505, Unknown=0, NotChecked=0, Total=2756 [2021-11-03 04:07:47,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-03 04:07:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 216. [2021-11-03 04:07:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 197 states have (on average 1.3959390862944163) internal successors, (275), 215 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 04:07:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 275 transitions. [2021-11-03 04:07:47,745 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 275 transitions. Word has length 57 [2021-11-03 04:07:47,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:47,745 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 275 transitions. [2021-11-03 04:07:47,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 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 04:07:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 275 transitions. [2021-11-03 04:07:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:07:47,745 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:07:47,745 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 04:07:47,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-03 04:07:47,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1019 [2021-11-03 04:07:47,946 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:07:47,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:47,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1736085391, now seen corresponding path program 1 times [2021-11-03 04:07:47,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:07:47,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776206028] [2021-11-03 04:07:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:47,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:07:47,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:07:47,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776206028] [2021-11-03 04:07:47,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776206028] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:07:47,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948388605] [2021-11-03 04:07:47,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:47,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:07:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:07:47,975 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:07:48,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-03 04:07:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:48,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:07:48,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:07:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:07:48,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:07:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:07:48,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948388605] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:07:48,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [554328412] [2021-11-03 04:07:48,628 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2021-11-03 04:07:48,628 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:07:48,628 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:07:48,628 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:07:48,628 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:07:48,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:48,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:07:48,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:48,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:07:48,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:07:48,678 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_25|]} [2021-11-03 04:07:48,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,687 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 04:07:48,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:07:48,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:07:48,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:07:48,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:07:48,708 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 04:07:48,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:07:48,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:07:48,711 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:07:48,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:07:48,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:07:48,721 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:07:48,727 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:07:48,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:07:48,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,772 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:07:48,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:07:48,789 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:07:48,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:07:48,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:48,944 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:07:48,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:48,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:07:48,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:48,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:48,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:07:48,971 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:07:48,982 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:07:48,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:07:48,989 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:07:48,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:07:48,995 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:07:48,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:07:48,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,049 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:07:49,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:07:49,057 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:07:49,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:07:49,080 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:07:49,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:07:49,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,569 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:07:49,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:07:49,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:07:49,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:07:49,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:07:49,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:07:49,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,635 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:07:49,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:07:49,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:07:49,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:07:49,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:07:49,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:07:49,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:07:49,680 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:07:49,692 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:07:49,726 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:07:49,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:07:49,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:07:49,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:49,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:49,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:07:49,805 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:07:49,810 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:07:49,820 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:07:49,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:07:49,828 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:07:49,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:07:49,845 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:07:49,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:49,853 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:07:49,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:07:49,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,904 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:07:49,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:49,909 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:07:49,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:49,920 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:07:49,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:07:49,932 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:07:49,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:07:49,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:49,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,174 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:07:50,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:50,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:50,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:07:50,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:50,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:50,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:07:50,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:50,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:50,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:50,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:50,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:07:50,231 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:07:50,235 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:07:50,247 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:07:50,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 04:07:50,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,318 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:07:50,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:07:50,341 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:07:50,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:07:50,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,571 INFO L180 QuantifierPusher]: treesize reduction 160, result has 63.4 percent of original size [2021-11-03 04:07:50,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-03 04:07:50,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:07:50,814 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:07:50,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:07:50,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:07:50,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:07:50,858 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:07:50,878 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:08:15,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [554328412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:08:15,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:08:15,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [3, 3, 3] total 38 [2021-11-03 04:08:15,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856376650] [2021-11-03 04:08:15,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-03 04:08:15,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:08:15,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-03 04:08:15,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1325, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 04:08:15,192 INFO L87 Difference]: Start difference. First operand 216 states and 275 transitions. Second operand has 35 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 34 states have internal predecessors, (52), 0 states have call successors, (0), 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 04:08:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:08:22,732 INFO L93 Difference]: Finished difference Result 378 states and 491 transitions. [2021-11-03 04:08:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-03 04:08:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 34 states have internal predecessors, (52), 0 states have call successors, (0), 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 59 [2021-11-03 04:08:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:08:22,733 INFO L225 Difference]: With dead ends: 378 [2021-11-03 04:08:22,733 INFO L226 Difference]: Without dead ends: 224 [2021-11-03 04:08:22,734 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 130 SyntacticMatches, 11 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 28.9s TimeCoverageRelationStatistics Valid=231, Invalid=1931, Unknown=0, NotChecked=0, Total=2162 [2021-11-03 04:08:22,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-03 04:08:22,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 207. [2021-11-03 04:08:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 188 states have (on average 1.4095744680851063) internal successors, (265), 206 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 04:08:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 265 transitions. [2021-11-03 04:08:22,750 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 265 transitions. Word has length 59 [2021-11-03 04:08:22,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:08:22,750 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 265 transitions. [2021-11-03 04:08:22,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 34 states have internal predecessors, (52), 0 states have call successors, (0), 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 04:08:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 265 transitions. [2021-11-03 04:08:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 04:08:22,750 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:08:22,750 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] [2021-11-03 04:08:22,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-03 04:08:22,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:08:22,951 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:08:22,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:08:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash -481966453, now seen corresponding path program 1 times [2021-11-03 04:08:22,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:08:22,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164174075] [2021-11-03 04:08:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:22,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:08:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:08:22,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:08:22,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164174075] [2021-11-03 04:08:22,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164174075] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:08:22,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535786560] [2021-11-03 04:08:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:22,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:08:22,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:08:22,989 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:08:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-03 04:08:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:23,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:08:23,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:08:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:08:23,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:08:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:08:23,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535786560] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:08:23,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [974651086] [2021-11-03 04:08:23,739 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2021-11-03 04:08:23,739 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:08:23,739 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:08:23,740 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:08:23,740 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:08:23,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:23,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:08:23,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:23,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:08:23,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:08:23,851 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 21=[|v_#valid_26|]} [2021-11-03 04:08:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,862 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 04:08:23,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:08:23,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:08:23,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:08:23,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:08:23,890 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 04:08:23,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:08:23,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:08:23,894 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:08:23,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:23,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:08:23,902 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:08:23,902 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:08:23,908 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:08:23,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-03 04:08:23,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:23,978 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:08:23,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:08:24,004 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:08:24,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:08:24,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,199 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:08:24,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:08:24,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:08:24,262 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:08:24,276 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:08:24,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:08:24,286 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:08:24,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:08:24,295 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.7 percent of original size [2021-11-03 04:08:24,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:08:24,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,355 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:08:24,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:08:24,360 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:08:24,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:08:24,375 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:08:24,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:08:24,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:24,849 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:08:24,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:08:24,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:08:24,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:08:24,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:08:24,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:08:24,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,903 INFO L180 QuantifierPusher]: treesize reduction 7, result has 36.4 percent of original size [2021-11-03 04:08:24,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:08:24,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:08:24,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:08:24,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:08:24,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:08:24,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:24,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:08:24,953 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:08:24,964 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:08:24,996 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:08:24,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:24,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:08:25,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:08:25,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:08:25,078 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:08:25,083 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:08:25,092 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:08:25,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:08:25,100 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:08:25,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:08:25,105 INFO L180 QuantifierPusher]: treesize reduction 13, result has 94.1 percent of original size [2021-11-03 04:08:25,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:08:25,111 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:08:25,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:08:25,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,178 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:08:25,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:08:25,183 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:08:25,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:08:25,189 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:08:25,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:08:25,208 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:08:25,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:08:25,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,667 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:08:25,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:08:25,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:08:25,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:08:25,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:25,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:08:25,735 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:08:25,739 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:08:25,757 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:08:25,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 04:08:25,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,858 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:08:25,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:08:25,883 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:08:25,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:08:25,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:25,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:08:26,100 INFO L180 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-11-03 04:08:26,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 556 [2021-11-03 04:08:26,137 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.5 percent of original size [2021-11-03 04:08:26,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 574 [2021-11-03 04:08:26,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:26,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 727 [2021-11-03 04:08:26,182 INFO L180 QuantifierPusher]: treesize reduction 4, result has 99.5 percent of original size [2021-11-03 04:08:26,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 733 [2021-11-03 04:08:26,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:26,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 886 [2021-11-03 04:08:26,251 INFO L180 QuantifierPusher]: treesize reduction 8, result has 99.1 percent of original size [2021-11-03 04:08:26,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-03 04:08:26,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:26,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1012 [2021-11-03 04:08:26,445 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10976 conjuctions. This might take some time... [2021-11-03 04:09:07,531 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 10976 conjuctions. [2021-11-03 04:09:08,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:09:08,170 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10976 conjuctions. This might take some time... [2021-11-03 04:09:52,203 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 10976 conjuctions. [2021-11-03 04:09:54,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:09:54,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:09:54,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:09:54,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 322 [2021-11-03 04:09:54,510 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10976 conjuctions. This might take some time... [2021-11-03 04:10:41,011 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 10976 conjuctions. [2021-11-03 04:10:41,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:10:41,762 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:10:41,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:10:41,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:10:41,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:10:41,794 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:10:41,815 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:11:15,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [974651086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:15,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:11:15,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [3, 3, 3] total 47 [2021-11-03 04:11:15,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366319938] [2021-11-03 04:11:15,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-03 04:11:15,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:11:15,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-03 04:11:15,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2071, Unknown=0, NotChecked=0, Total=2256 [2021-11-03 04:11:15,550 INFO L87 Difference]: Start difference. First operand 207 states and 265 transitions. Second operand has 44 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 43 states have internal predecessors, (61), 0 states have call successors, (0), 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 04:11:23,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:23,913 INFO L93 Difference]: Finished difference Result 377 states and 491 transitions. [2021-11-03 04:11:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-03 04:11:23,914 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 43 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2021-11-03 04:11:23,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:23,915 INFO L225 Difference]: With dead ends: 377 [2021-11-03 04:11:23,915 INFO L226 Difference]: Without dead ends: 225 [2021-11-03 04:11:23,916 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 125 SyntacticMatches, 13 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 38.2s TimeCoverageRelationStatistics Valid=259, Invalid=2821, Unknown=0, NotChecked=0, Total=3080 [2021-11-03 04:11:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-03 04:11:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 211. [2021-11-03 04:11:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 192 states have (on average 1.4010416666666667) internal successors, (269), 210 states have internal predecessors, (269), 0 states have call successors, (0), 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 04:11:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 269 transitions. [2021-11-03 04:11:23,929 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 269 transitions. Word has length 61 [2021-11-03 04:11:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:23,929 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 269 transitions. [2021-11-03 04:11:23,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 43 states have internal predecessors, (61), 0 states have call successors, (0), 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 04:11:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 269 transitions. [2021-11-03 04:11:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 04:11:23,930 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:23,930 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] [2021-11-03 04:11:23,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:24,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1233 [2021-11-03 04:11:24,146 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-03 04:11:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1941679127, now seen corresponding path program 1 times [2021-11-03 04:11:24,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:11:24,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195880064] [2021-11-03 04:11:24,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:24,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:11:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:11:24,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:11:24,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195880064] [2021-11-03 04:11:24,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195880064] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:11:24,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621464640] [2021-11-03 04:11:24,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:24,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:11:24,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:11:24,175 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:11:24,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3895877d-4849-4099-b416-173da8f28083/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-03 04:11:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:24,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:11:24,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:11:24,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:11:25,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621464640] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:11:25,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [773539620] [2021-11-03 04:11:25,122 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2021-11-03 04:11:25,122 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:11:25,122 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:11:25,123 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:11:25,123 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:11:25,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:25,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:11:25,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:25,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:11:25,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 04:11:25,205 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 21=[|v_#valid_27|]} [2021-11-03 04:11:25,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,217 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 04:11:25,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:11:25,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:11:25,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:11:25,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:11:25,237 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 04:11:25,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:11:25,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:11:25,239 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:11:25,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-03 04:11:25,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:11:25,248 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:212, output treesize:187 [2021-11-03 04:11:25,253 INFO L180 QuantifierPusher]: treesize reduction -1, result has 100.4 percent of original size [2021-11-03 04:11:25,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 04:11:25,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,301 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:11:25,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:11:25,327 INFO L180 QuantifierPusher]: treesize reduction 108, result has 64.7 percent of original size [2021-11-03 04:11:25,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:11:25,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,547 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:11:25,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:25,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-03 04:11:25,582 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:25,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:25,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:11:25,596 INFO L185 QuantifierPusher]: treesize reduction 94, result has 63.0 percent of original size 160 [2021-11-03 04:11:25,610 INFO L180 QuantifierPusher]: treesize reduction 101, result has 63.5 percent of original size [2021-11-03 04:11:25,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 04:11:25,621 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-03 04:11:25,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-03 04:11:25,630 INFO L180 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size [2021-11-03 04:11:25,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-03 04:11:25,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,706 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:11:25,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:11:25,714 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.8 percent of original size [2021-11-03 04:11:25,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 04:11:25,730 INFO L180 QuantifierPusher]: treesize reduction 132, result has 56.6 percent of original size [2021-11-03 04:11:25,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:11:25,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:25,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,223 INFO L180 QuantifierPusher]: treesize reduction 11, result has 98.3 percent of original size [2021-11-03 04:11:26,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-03 04:11:26,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-11-03 04:11:26,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:11:26,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 04:11:26,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:11:26,275 INFO L185 QuantifierPusher]: treesize reduction 245, result has 54.9 percent of original size 298 [2021-11-03 04:11:26,286 INFO L185 QuantifierPusher]: treesize reduction 245, result has 56.2 percent of original size 314 [2021-11-03 04:11:26,317 INFO L180 QuantifierPusher]: treesize reduction 2, result has 99.7 percent of original size [2021-11-03 04:11:26,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 04:11:26,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 915 [2021-11-03 04:11:26,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:11:26,389 INFO L185 QuantifierPusher]: treesize reduction 114, result has 54.9 percent of original size 139 [2021-11-03 04:11:26,394 INFO L185 QuantifierPusher]: treesize reduction 126, result has 55.8 percent of original size 159 [2021-11-03 04:11:26,403 INFO L180 QuantifierPusher]: treesize reduction 137, result has 56.1 percent of original size [2021-11-03 04:11:26,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 04:11:26,419 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:11:26,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:11:26,425 INFO L180 QuantifierPusher]: treesize reduction 11, result has 95.0 percent of original size [2021-11-03 04:11:26,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:11:26,430 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:11:26,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 04:11:26,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,514 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:11:26,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:11:26,519 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-03 04:11:26,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:11:26,525 INFO L180 QuantifierPusher]: treesize reduction 8, result has 96.2 percent of original size [2021-11-03 04:11:26,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:11:26,537 INFO L180 QuantifierPusher]: treesize reduction 138, result has 55.2 percent of original size [2021-11-03 04:11:26,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-03 04:11:26,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:26,965 INFO L180 QuantifierPusher]: treesize reduction 22, result has 96.8 percent of original size [2021-11-03 04:11:26,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 04:11:26,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:26,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:26,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-03 04:11:27,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:27,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:27,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:11:27,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:27,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:11:27,021 INFO L185 QuantifierPusher]: treesize reduction 120, result has 53.3 percent of original size 137 [2021-11-03 04:11:27,027 INFO L185 QuantifierPusher]: treesize reduction 132, result has 54.3 percent of original size 157 [2021-11-03 04:11:27,038 INFO L180 QuantifierPusher]: treesize reduction 147, result has 60.4 percent of original size [2021-11-03 04:11:27,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:11:27,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,102 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:11:27,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:11:27,126 INFO L180 QuantifierPusher]: treesize reduction 152, result has 59.8 percent of original size [2021-11-03 04:11:27,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 04:11:27,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:11:27,343 INFO L180 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-11-03 04:11:27,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 556 [2021-11-03 04:11:27,367 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.5 percent of original size [2021-11-03 04:11:27,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 574 [2021-11-03 04:11:27,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:27,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 727 [2021-11-03 04:11:27,411 INFO L180 QuantifierPusher]: treesize reduction 4, result has 99.5 percent of original size [2021-11-03 04:11:27,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 733 [2021-11-03 04:11:27,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:27,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 886 [2021-11-03 04:11:27,466 INFO L180 QuantifierPusher]: treesize reduction 8, result has 99.1 percent of original size [2021-11-03 04:11:27,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-03 04:11:27,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:11:27,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1012 [2021-11-03 04:11:27,587 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10976 conjuctions. This might take some time... [2021-11-03 04:12:11,825 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 10976 conjuctions. [2021-11-03 04:12:12,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:12:12,280 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10976 conjuctions. This might take some time... [2021-11-03 04:12:53,510 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 10976 conjuctions. [2021-11-03 04:12:55,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:12:55,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:12:55,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:12:55,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 322 [2021-11-03 04:12:55,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:12:55,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:12:55,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:12:55,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2021-11-03 04:12:55,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:12:55,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-03 04:12:55,494 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10976 conjuctions. This might take some time... [2021-11-03 04:13:36,069 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 10976 conjuctions. [2021-11-03 04:13:36,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:13:36,786 INFO L180 QuantifierPusher]: treesize reduction 35, result has 94.9 percent of original size [2021-11-03 04:13:36,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:13:36,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:13:36,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-11-03 04:13:36,821 INFO L185 QuantifierPusher]: treesize reduction 253, result has 55.4 percent of original size 314 [2021-11-03 04:13:36,841 INFO L180 IcfgInterpreter]: Interpretation finished