./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.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_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/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_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/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_c8937639-1643-43a0-935c-793addf48b37/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 379867ea0961f41e6474fa8c55575cf4bd65e7485349e160061a341c7749e45b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:44:28,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:44:28,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:44:28,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:44:28,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:44:28,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:44:28,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:44:28,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:44:28,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:44:28,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:44:28,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:44:28,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:44:28,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:44:28,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:44:28,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:44:28,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:44:28,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:44:28,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:44:28,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:44:28,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:44:28,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:44:28,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:44:28,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:44:28,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:44:28,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:44:28,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:44:28,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:44:28,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:44:28,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:44:28,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:44:28,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:44:28,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:44:28,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:44:28,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:44:28,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:44:28,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:44:28,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:44:28,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:44:28,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:44:28,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:44:28,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:44:28,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:44:29,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:44:29,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:44:29,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:44:29,030 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:44:29,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:44:29,030 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:44:29,031 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:44:29,031 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:44:29,031 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:44:29,031 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:44:29,031 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:44:29,032 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:44:29,032 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:44:29,032 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:44:29,032 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:44:29,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:44:29,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:44:29,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:44:29,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:44:29,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:44:29,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:44:29,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:44:29,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:44:29,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:44:29,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:44:29,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:44:29,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:44:29,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:44:29,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:44:29,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:44:29,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:44:29,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:44:29,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:44:29,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:44:29,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:44:29,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:44:29,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:44:29,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:44:29,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:44:29,045 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_c8937639-1643-43a0-935c-793addf48b37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 379867ea0961f41e6474fa8c55575cf4bd65e7485349e160061a341c7749e45b [2021-11-03 05:44:29,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:44:29,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:44:29,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:44:29,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:44:29,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:44:29,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-03 05:44:29,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/data/e8b3d88ce/82744feec5d14cf7880466399ee470b5/FLAG3f7a14748 [2021-11-03 05:44:29,905 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:44:29,906 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-03 05:44:29,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/data/e8b3d88ce/82744feec5d14cf7880466399ee470b5/FLAG3f7a14748 [2021-11-03 05:44:30,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/data/e8b3d88ce/82744feec5d14cf7880466399ee470b5 [2021-11-03 05:44:30,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:44:30,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:44:30,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:44:30,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:44:30,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:44:30,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f9bc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30, skipping insertion in model container [2021-11-03 05:44:30,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:44:30,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:44:30,547 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_c8937639-1643-43a0-935c-793addf48b37/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7471,7484] [2021-11-03 05:44:30,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:44:30,602 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:44:30,650 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_c8937639-1643-43a0-935c-793addf48b37/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7471,7484] [2021-11-03 05:44:30,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:44:30,711 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:44:30,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30 WrapperNode [2021-11-03 05:44:30,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:44:30,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:44:30,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:44:30,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:44:30,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:44:30,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:44:30,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:44:30,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:44:30,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:44:30,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:44:30,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:44:30,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:44:30,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (1/1) ... [2021-11-03 05:44:30,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:44:30,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:30,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:44:30,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:44:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:44:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:44:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:44:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:44:32,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:44:32,267 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-03 05:44:32,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:44:32 BoogieIcfgContainer [2021-11-03 05:44:32,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:44:32,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:44:32,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:44:32,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:44:32,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:44:30" (1/3) ... [2021-11-03 05:44:32,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7fa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:44:32, skipping insertion in model container [2021-11-03 05:44:32,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:30" (2/3) ... [2021-11-03 05:44:32,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7fa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:44:32, skipping insertion in model container [2021-11-03 05:44:32,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:44:32" (3/3) ... [2021-11-03 05:44:32,279 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-03 05:44:32,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:44:32,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:44:32,345 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:44:32,351 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:44:32,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:44:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 119 states have (on average 1.6890756302521008) internal successors, (201), 120 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 05:44:32,376 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:32,377 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] [2021-11-03 05:44:32,377 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:32,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:32,382 INFO L85 PathProgramCache]: Analyzing trace with hash 49293024, now seen corresponding path program 1 times [2021-11-03 05:44:32,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:32,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380721467] [2021-11-03 05:44:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:32,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:32,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:32,809 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:32,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380721467] [2021-11-03 05:44:32,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380721467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:32,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:32,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 05:44:32,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675774704] [2021-11-03 05:44:32,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:44:32,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:32,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:44:32,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:44:32,840 INFO L87 Difference]: Start difference. First operand has 121 states, 119 states have (on average 1.6890756302521008) internal successors, (201), 120 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:33,072 INFO L93 Difference]: Finished difference Result 328 states and 524 transitions. [2021-11-03 05:44:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:44:33,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2021-11-03 05:44:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:33,090 INFO L225 Difference]: With dead ends: 328 [2021-11-03 05:44:33,091 INFO L226 Difference]: Without dead ends: 244 [2021-11-03 05:44:33,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:44:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-03 05:44:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 240. [2021-11-03 05:44:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.3723849372384938) internal successors, (328), 239 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 328 transitions. [2021-11-03 05:44:33,176 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 328 transitions. Word has length 43 [2021-11-03 05:44:33,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:33,177 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 328 transitions. [2021-11-03 05:44:33,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 328 transitions. [2021-11-03 05:44:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:44:33,179 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:33,180 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] [2021-11-03 05:44:33,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:44:33,180 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:33,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:33,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1816358382, now seen corresponding path program 1 times [2021-11-03 05:44:33,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:33,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851383816] [2021-11-03 05:44:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:33,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:33,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:33,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851383816] [2021-11-03 05:44:33,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851383816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:33,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:33,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 05:44:33,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87700263] [2021-11-03 05:44:33,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:44:33,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:33,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:44:33,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:44:33,292 INFO L87 Difference]: Start difference. First operand 240 states and 328 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:33,536 INFO L93 Difference]: Finished difference Result 531 states and 737 transitions. [2021-11-03 05:44:33,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:44:33,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-11-03 05:44:33,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:33,546 INFO L225 Difference]: With dead ends: 531 [2021-11-03 05:44:33,547 INFO L226 Difference]: Without dead ends: 318 [2021-11-03 05:44:33,551 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:44:33,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-11-03 05:44:33,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2021-11-03 05:44:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.3746031746031746) internal successors, (433), 315 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 433 transitions. [2021-11-03 05:44:33,617 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 433 transitions. Word has length 44 [2021-11-03 05:44:33,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:33,617 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 433 transitions. [2021-11-03 05:44:33,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 433 transitions. [2021-11-03 05:44:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:44:33,626 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:33,626 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] [2021-11-03 05:44:33,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:44:33,627 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:33,628 INFO L85 PathProgramCache]: Analyzing trace with hash -871506975, now seen corresponding path program 1 times [2021-11-03 05:44:33,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:33,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307655898] [2021-11-03 05:44:33,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:33,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:33,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:33,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307655898] [2021-11-03 05:44:33,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307655898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:33,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:33,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 05:44:33,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348007729] [2021-11-03 05:44:33,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:44:33,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:44:33,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:44:33,733 INFO L87 Difference]: Start difference. First operand 316 states and 433 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:33,946 INFO L93 Difference]: Finished difference Result 765 states and 1070 transitions. [2021-11-03 05:44:33,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:44:33,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-11-03 05:44:33,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:33,951 INFO L225 Difference]: With dead ends: 765 [2021-11-03 05:44:33,951 INFO L226 Difference]: Without dead ends: 492 [2021-11-03 05:44:33,952 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:44:33,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-11-03 05:44:33,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 490. [2021-11-03 05:44:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 489 states have (on average 1.3865030674846626) internal successors, (678), 489 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 678 transitions. [2021-11-03 05:44:33,994 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 678 transitions. Word has length 44 [2021-11-03 05:44:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:33,995 INFO L470 AbstractCegarLoop]: Abstraction has 490 states and 678 transitions. [2021-11-03 05:44:33,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 678 transitions. [2021-11-03 05:44:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:44:33,997 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:33,997 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] [2021-11-03 05:44:33,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 05:44:33,997 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:33,998 INFO L85 PathProgramCache]: Analyzing trace with hash 170182640, now seen corresponding path program 1 times [2021-11-03 05:44:33,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:33,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495514890] [2021-11-03 05:44:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:33,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:34,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:34,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495514890] [2021-11-03 05:44:34,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495514890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:34,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:34,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 05:44:34,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470969270] [2021-11-03 05:44:34,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:44:34,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:34,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:44:34,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:44:34,077 INFO L87 Difference]: Start difference. First operand 490 states and 678 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:34,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:34,342 INFO L93 Difference]: Finished difference Result 1267 states and 1784 transitions. [2021-11-03 05:44:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:44:34,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-11-03 05:44:34,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:34,350 INFO L225 Difference]: With dead ends: 1267 [2021-11-03 05:44:34,351 INFO L226 Difference]: Without dead ends: 840 [2021-11-03 05:44:34,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:44:34,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-11-03 05:44:34,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 838. [2021-11-03 05:44:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.3954599761051374) internal successors, (1168), 837 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1168 transitions. [2021-11-03 05:44:34,458 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1168 transitions. Word has length 44 [2021-11-03 05:44:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:34,460 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1168 transitions. [2021-11-03 05:44:34,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1168 transitions. [2021-11-03 05:44:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 05:44:34,461 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:34,461 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] [2021-11-03 05:44:34,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 05:44:34,462 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:34,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:34,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2119626740, now seen corresponding path program 1 times [2021-11-03 05:44:34,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:34,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399587010] [2021-11-03 05:44:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:34,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:34,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:34,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399587010] [2021-11-03 05:44:34,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399587010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:34,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:34,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-03 05:44:34,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448524209] [2021-11-03 05:44:34,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:44:34,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:44:34,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:44:34,779 INFO L87 Difference]: Start difference. First operand 838 states and 1168 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:35,752 INFO L93 Difference]: Finished difference Result 4663 states and 6639 transitions. [2021-11-03 05:44:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 05:44:35,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-11-03 05:44:35,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:35,803 INFO L225 Difference]: With dead ends: 4663 [2021-11-03 05:44:35,803 INFO L226 Difference]: Without dead ends: 3965 [2021-11-03 05:44:35,806 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2021-11-03 05:44:35,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2021-11-03 05:44:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 2483. [2021-11-03 05:44:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2482 states have (on average 1.3924254633360194) internal successors, (3456), 2482 states have internal predecessors, (3456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3456 transitions. [2021-11-03 05:44:36,141 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3456 transitions. Word has length 45 [2021-11-03 05:44:36,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:36,141 INFO L470 AbstractCegarLoop]: Abstraction has 2483 states and 3456 transitions. [2021-11-03 05:44:36,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3456 transitions. [2021-11-03 05:44:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 05:44:36,143 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:36,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:44:36,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 05:44:36,145 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:36,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:36,146 INFO L85 PathProgramCache]: Analyzing trace with hash 950711252, now seen corresponding path program 1 times [2021-11-03 05:44:36,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:36,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529146949] [2021-11-03 05:44:36,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:36,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:36,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:36,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529146949] [2021-11-03 05:44:36,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529146949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:36,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:36,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-03 05:44:36,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777281725] [2021-11-03 05:44:36,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:44:36,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:36,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:44:36,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:44:36,404 INFO L87 Difference]: Start difference. First operand 2483 states and 3456 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:37,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:37,333 INFO L93 Difference]: Finished difference Result 4263 states and 5980 transitions. [2021-11-03 05:44:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 05:44:37,334 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-11-03 05:44:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:37,357 INFO L225 Difference]: With dead ends: 4263 [2021-11-03 05:44:37,357 INFO L226 Difference]: Without dead ends: 3787 [2021-11-03 05:44:37,359 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-03 05:44:37,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2021-11-03 05:44:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3067. [2021-11-03 05:44:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 3066 states have (on average 1.3842139595564253) internal successors, (4244), 3066 states have internal predecessors, (4244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 4244 transitions. [2021-11-03 05:44:37,738 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 4244 transitions. Word has length 45 [2021-11-03 05:44:37,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:37,739 INFO L470 AbstractCegarLoop]: Abstraction has 3067 states and 4244 transitions. [2021-11-03 05:44:37,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 4244 transitions. [2021-11-03 05:44:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 05:44:37,740 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:37,740 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] [2021-11-03 05:44:37,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 05:44:37,741 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:37,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1433944140, now seen corresponding path program 1 times [2021-11-03 05:44:37,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:37,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611597126] [2021-11-03 05:44:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:37,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:37,962 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:37,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611597126] [2021-11-03 05:44:37,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611597126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:37,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:37,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-03 05:44:37,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484184833] [2021-11-03 05:44:37,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:44:37,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:44:37,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:44:37,964 INFO L87 Difference]: Start difference. First operand 3067 states and 4244 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:39,079 INFO L93 Difference]: Finished difference Result 4801 states and 6657 transitions. [2021-11-03 05:44:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 05:44:39,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-11-03 05:44:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:39,105 INFO L225 Difference]: With dead ends: 4801 [2021-11-03 05:44:39,105 INFO L226 Difference]: Without dead ends: 4639 [2021-11-03 05:44:39,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-11-03 05:44:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2021-11-03 05:44:39,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 3520. [2021-11-03 05:44:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3520 states, 3519 states have (on average 1.3813583404376244) internal successors, (4861), 3519 states have internal predecessors, (4861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 4861 transitions. [2021-11-03 05:44:39,516 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 4861 transitions. Word has length 45 [2021-11-03 05:44:39,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:39,516 INFO L470 AbstractCegarLoop]: Abstraction has 3520 states and 4861 transitions. [2021-11-03 05:44:39,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 4861 transitions. [2021-11-03 05:44:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:44:39,518 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:39,518 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] [2021-11-03 05:44:39,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 05:44:39,519 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:39,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:39,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1971554280, now seen corresponding path program 1 times [2021-11-03 05:44:39,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:39,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770045775] [2021-11-03 05:44:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:39,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:39,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:39,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770045775] [2021-11-03 05:44:39,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770045775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:39,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:39,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-03 05:44:39,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169629542] [2021-11-03 05:44:39,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 05:44:39,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:39,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 05:44:39,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:44:39,770 INFO L87 Difference]: Start difference. First operand 3520 states and 4861 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:40,731 INFO L93 Difference]: Finished difference Result 8197 states and 11371 transitions. [2021-11-03 05:44:40,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 05:44:40,731 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-11-03 05:44:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:40,773 INFO L225 Difference]: With dead ends: 8197 [2021-11-03 05:44:40,773 INFO L226 Difference]: Without dead ends: 7271 [2021-11-03 05:44:40,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2021-11-03 05:44:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2021-11-03 05:44:41,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 4856. [2021-11-03 05:44:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4856 states, 4855 states have (on average 1.3857878475798147) internal successors, (6728), 4855 states have internal predecessors, (6728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4856 states and 6728 transitions. [2021-11-03 05:44:41,406 INFO L78 Accepts]: Start accepts. Automaton has 4856 states and 6728 transitions. Word has length 47 [2021-11-03 05:44:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:41,407 INFO L470 AbstractCegarLoop]: Abstraction has 4856 states and 6728 transitions. [2021-11-03 05:44:41,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 6728 transitions. [2021-11-03 05:44:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:44:41,409 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:41,409 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] [2021-11-03 05:44:41,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 05:44:41,409 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:41,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:41,410 INFO L85 PathProgramCache]: Analyzing trace with hash -413101112, now seen corresponding path program 1 times [2021-11-03 05:44:41,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:41,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804341205] [2021-11-03 05:44:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:41,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:41,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:41,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804341205] [2021-11-03 05:44:41,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804341205] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:41,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:41,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-03 05:44:41,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766254924] [2021-11-03 05:44:41,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 05:44:41,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:41,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 05:44:41,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:44:41,696 INFO L87 Difference]: Start difference. First operand 4856 states and 6728 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:42,841 INFO L93 Difference]: Finished difference Result 7344 states and 10176 transitions. [2021-11-03 05:44:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-03 05:44:42,842 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-11-03 05:44:42,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:42,878 INFO L225 Difference]: With dead ends: 7344 [2021-11-03 05:44:42,878 INFO L226 Difference]: Without dead ends: 6646 [2021-11-03 05:44:42,881 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2021-11-03 05:44:42,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6646 states. [2021-11-03 05:44:43,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6646 to 4883. [2021-11-03 05:44:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4883 states, 4882 states have (on average 1.383654240065547) internal successors, (6755), 4882 states have internal predecessors, (6755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 6755 transitions. [2021-11-03 05:44:43,324 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 6755 transitions. Word has length 47 [2021-11-03 05:44:43,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:43,325 INFO L470 AbstractCegarLoop]: Abstraction has 4883 states and 6755 transitions. [2021-11-03 05:44:43,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 6755 transitions. [2021-11-03 05:44:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:44:43,326 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:43,326 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] [2021-11-03 05:44:43,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-03 05:44:43,327 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:43,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:43,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1540546472, now seen corresponding path program 1 times [2021-11-03 05:44:43,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:43,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354454834] [2021-11-03 05:44:43,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:43,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:43,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:43,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354454834] [2021-11-03 05:44:43,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354454834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:43,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:43,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-03 05:44:43,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101021397] [2021-11-03 05:44:43,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 05:44:43,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:43,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 05:44:43,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:44:43,574 INFO L87 Difference]: Start difference. First operand 4883 states and 6755 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:44,665 INFO L93 Difference]: Finished difference Result 8742 states and 12104 transitions. [2021-11-03 05:44:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-03 05:44:44,666 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-11-03 05:44:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:44,690 INFO L225 Difference]: With dead ends: 8742 [2021-11-03 05:44:44,690 INFO L226 Difference]: Without dead ends: 8588 [2021-11-03 05:44:44,695 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=302, Unknown=0, NotChecked=0, Total=462 [2021-11-03 05:44:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8588 states. [2021-11-03 05:44:45,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8588 to 4886. [2021-11-03 05:44:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 4885 states have (on average 1.3834186284544525) internal successors, (6758), 4885 states have internal predecessors, (6758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 6758 transitions. [2021-11-03 05:44:45,126 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 6758 transitions. Word has length 47 [2021-11-03 05:44:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:45,127 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 6758 transitions. [2021-11-03 05:44:45,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 6758 transitions. [2021-11-03 05:44:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 05:44:45,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:45,128 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] [2021-11-03 05:44:45,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-03 05:44:45,128 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:45,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:45,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2014191766, now seen corresponding path program 1 times [2021-11-03 05:44:45,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:45,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424600380] [2021-11-03 05:44:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:45,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:45,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:45,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424600380] [2021-11-03 05:44:45,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424600380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:45,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:45,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:45,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459347951] [2021-11-03 05:44:45,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:45,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:45,157 INFO L87 Difference]: Start difference. First operand 4886 states and 6758 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:45,527 INFO L93 Difference]: Finished difference Result 8711 states and 12117 transitions. [2021-11-03 05:44:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:45,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-11-03 05:44:45,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:45,536 INFO L225 Difference]: With dead ends: 8711 [2021-11-03 05:44:45,536 INFO L226 Difference]: Without dead ends: 4592 [2021-11-03 05:44:45,542 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:45,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4592 states. [2021-11-03 05:44:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4592 to 4588. [2021-11-03 05:44:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 4587 states have (on average 1.381294964028777) internal successors, (6336), 4587 states have internal predecessors, (6336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 6336 transitions. [2021-11-03 05:44:45,907 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 6336 transitions. Word has length 48 [2021-11-03 05:44:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:45,907 INFO L470 AbstractCegarLoop]: Abstraction has 4588 states and 6336 transitions. [2021-11-03 05:44:45,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 6336 transitions. [2021-11-03 05:44:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 05:44:45,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:45,908 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] [2021-11-03 05:44:45,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-03 05:44:45,909 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:45,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash -474472813, now seen corresponding path program 1 times [2021-11-03 05:44:45,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:45,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6921109] [2021-11-03 05:44:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:45,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:45,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:45,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6921109] [2021-11-03 05:44:45,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6921109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:45,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:45,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:45,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467223838] [2021-11-03 05:44:45,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:45,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:45,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:45,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:45,940 INFO L87 Difference]: Start difference. First operand 4588 states and 6336 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:46,291 INFO L93 Difference]: Finished difference Result 8127 states and 11277 transitions. [2021-11-03 05:44:46,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:46,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-11-03 05:44:46,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:46,304 INFO L225 Difference]: With dead ends: 8127 [2021-11-03 05:44:46,304 INFO L226 Difference]: Without dead ends: 4335 [2021-11-03 05:44:46,309 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:46,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4335 states. [2021-11-03 05:44:46,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4335 to 4241. [2021-11-03 05:44:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4241 states, 4240 states have (on average 1.3783018867924528) internal successors, (5844), 4240 states have internal predecessors, (5844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 5844 transitions. [2021-11-03 05:44:46,720 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 5844 transitions. Word has length 48 [2021-11-03 05:44:46,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:46,720 INFO L470 AbstractCegarLoop]: Abstraction has 4241 states and 5844 transitions. [2021-11-03 05:44:46,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 5844 transitions. [2021-11-03 05:44:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 05:44:46,721 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:46,722 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] [2021-11-03 05:44:46,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-03 05:44:46,722 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:46,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:46,723 INFO L85 PathProgramCache]: Analyzing trace with hash -976814404, now seen corresponding path program 1 times [2021-11-03 05:44:46,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:46,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350179246] [2021-11-03 05:44:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:46,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:49,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:49,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350179246] [2021-11-03 05:44:49,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350179246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:49,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:49,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-03 05:44:49,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009101640] [2021-11-03 05:44:49,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-03 05:44:49,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:49,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-03 05:44:49,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2021-11-03 05:44:49,037 INFO L87 Difference]: Start difference. First operand 4241 states and 5844 transitions. Second operand has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:54,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:54,433 INFO L93 Difference]: Finished difference Result 4585 states and 6315 transitions. [2021-11-03 05:44:54,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-03 05:44:54,433 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2021-11-03 05:44:54,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:54,441 INFO L225 Difference]: With dead ends: 4585 [2021-11-03 05:44:54,441 INFO L226 Difference]: Without dead ends: 4439 [2021-11-03 05:44:54,444 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 05:44:54,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4439 states. [2021-11-03 05:44:54,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4439 to 4247. [2021-11-03 05:44:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4247 states, 4246 states have (on average 1.3780028261893547) internal successors, (5851), 4246 states have internal predecessors, (5851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 4247 states and 5851 transitions. [2021-11-03 05:44:54,918 INFO L78 Accepts]: Start accepts. Automaton has 4247 states and 5851 transitions. Word has length 49 [2021-11-03 05:44:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:54,918 INFO L470 AbstractCegarLoop]: Abstraction has 4247 states and 5851 transitions. [2021-11-03 05:44:54,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 5851 transitions. [2021-11-03 05:44:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 05:44:54,920 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:54,920 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 05:44:54,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-03 05:44:54,921 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:54,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash -646748459, now seen corresponding path program 1 times [2021-11-03 05:44:54,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:54,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326849246] [2021-11-03 05:44:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:54,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:54,951 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:54,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326849246] [2021-11-03 05:44:54,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326849246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:54,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:54,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:54,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819911867] [2021-11-03 05:44:54,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:54,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:54,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:54,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:54,953 INFO L87 Difference]: Start difference. First operand 4247 states and 5851 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 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 05:44:55,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:55,335 INFO L93 Difference]: Finished difference Result 7056 states and 9747 transitions. [2021-11-03 05:44:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:55,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 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 05:44:55,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:55,340 INFO L225 Difference]: With dead ends: 7056 [2021-11-03 05:44:55,340 INFO L226 Difference]: Without dead ends: 4022 [2021-11-03 05:44:55,344 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:55,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4022 states. [2021-11-03 05:44:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4022 to 4020. [2021-11-03 05:44:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4020 states, 4019 states have (on average 1.3749688977357553) internal successors, (5526), 4019 states have internal predecessors, (5526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4020 states to 4020 states and 5526 transitions. [2021-11-03 05:44:55,786 INFO L78 Accepts]: Start accepts. Automaton has 4020 states and 5526 transitions. Word has length 50 [2021-11-03 05:44:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:55,787 INFO L470 AbstractCegarLoop]: Abstraction has 4020 states and 5526 transitions. [2021-11-03 05:44:55,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 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 05:44:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4020 states and 5526 transitions. [2021-11-03 05:44:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 05:44:55,791 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:55,791 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] [2021-11-03 05:44:55,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-03 05:44:55,792 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:55,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash 159710686, now seen corresponding path program 1 times [2021-11-03 05:44:55,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:55,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356966523] [2021-11-03 05:44:55,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:55,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:55,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:55,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356966523] [2021-11-03 05:44:55,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356966523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:55,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:55,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:55,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972941145] [2021-11-03 05:44:55,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:55,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:55,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:55,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:55,879 INFO L87 Difference]: Start difference. First operand 4020 states and 5526 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:56,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:56,487 INFO L93 Difference]: Finished difference Result 7746 states and 10703 transitions. [2021-11-03 05:44:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:56,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2021-11-03 05:44:56,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:56,492 INFO L225 Difference]: With dead ends: 7746 [2021-11-03 05:44:56,492 INFO L226 Difference]: Without dead ends: 4931 [2021-11-03 05:44:56,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4931 states. [2021-11-03 05:44:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4931 to 4587. [2021-11-03 05:44:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4587 states, 4586 states have (on average 1.3658962058438726) internal successors, (6264), 4586 states have internal predecessors, (6264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4587 states to 4587 states and 6264 transitions. [2021-11-03 05:44:57,030 INFO L78 Accepts]: Start accepts. Automaton has 4587 states and 6264 transitions. Word has length 55 [2021-11-03 05:44:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:57,030 INFO L470 AbstractCegarLoop]: Abstraction has 4587 states and 6264 transitions. [2021-11-03 05:44:57,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4587 states and 6264 transitions. [2021-11-03 05:44:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 05:44:57,032 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:57,032 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] [2021-11-03 05:44:57,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-03 05:44:57,033 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash -719562421, now seen corresponding path program 1 times [2021-11-03 05:44:57,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:57,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608011296] [2021-11-03 05:44:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:57,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:57,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:57,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608011296] [2021-11-03 05:44:57,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608011296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:57,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:57,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:57,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318921133] [2021-11-03 05:44:57,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:57,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:57,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:57,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:57,075 INFO L87 Difference]: Start difference. First operand 4587 states and 6264 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:57,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:57,517 INFO L93 Difference]: Finished difference Result 7480 states and 10220 transitions. [2021-11-03 05:44:57,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:57,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2021-11-03 05:44:57,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:57,522 INFO L225 Difference]: With dead ends: 7480 [2021-11-03 05:44:57,522 INFO L226 Difference]: Without dead ends: 3910 [2021-11-03 05:44:57,525 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2021-11-03 05:44:57,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3908. [2021-11-03 05:44:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 3907 states have (on average 1.3465574609674942) internal successors, (5261), 3907 states have internal predecessors, (5261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5261 transitions. [2021-11-03 05:44:57,915 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5261 transitions. Word has length 58 [2021-11-03 05:44:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:57,916 INFO L470 AbstractCegarLoop]: Abstraction has 3908 states and 5261 transitions. [2021-11-03 05:44:57,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5261 transitions. [2021-11-03 05:44:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 05:44:57,918 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:57,918 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] [2021-11-03 05:44:57,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-03 05:44:57,919 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:57,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:57,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1280172395, now seen corresponding path program 1 times [2021-11-03 05:44:57,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:57,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719306667] [2021-11-03 05:44:57,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:57,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:57,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:57,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719306667] [2021-11-03 05:44:57,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719306667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:57,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:57,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:57,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954556381] [2021-11-03 05:44:57,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:57,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:57,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:57,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:57,974 INFO L87 Difference]: Start difference. First operand 3908 states and 5261 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:58,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:58,767 INFO L93 Difference]: Finished difference Result 8560 states and 11601 transitions. [2021-11-03 05:44:58,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:58,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2021-11-03 05:44:58,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:58,773 INFO L225 Difference]: With dead ends: 8560 [2021-11-03 05:44:58,773 INFO L226 Difference]: Without dead ends: 5423 [2021-11-03 05:44:58,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:58,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2021-11-03 05:44:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 4863. [2021-11-03 05:44:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4863 states, 4862 states have (on average 1.332167832167832) internal successors, (6477), 4862 states have internal predecessors, (6477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4863 states to 4863 states and 6477 transitions. [2021-11-03 05:44:59,269 INFO L78 Accepts]: Start accepts. Automaton has 4863 states and 6477 transitions. Word has length 58 [2021-11-03 05:44:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:59,269 INFO L470 AbstractCegarLoop]: Abstraction has 4863 states and 6477 transitions. [2021-11-03 05:44:59,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4863 states and 6477 transitions. [2021-11-03 05:44:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 05:44:59,270 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:59,270 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 05:44:59,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-03 05:44:59,271 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:59,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 650989922, now seen corresponding path program 1 times [2021-11-03 05:44:59,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:59,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122161972] [2021-11-03 05:44:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:59,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:59,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:59,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122161972] [2021-11-03 05:44:59,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122161972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:59,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:59,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:44:59,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120344753] [2021-11-03 05:44:59,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:44:59,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:59,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:44:59,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:44:59,320 INFO L87 Difference]: Start difference. First operand 4863 states and 6477 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 05:45:00,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:00,075 INFO L93 Difference]: Finished difference Result 7206 states and 9601 transitions. [2021-11-03 05:45:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:45:00,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 05:45:00,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:00,084 INFO L225 Difference]: With dead ends: 7206 [2021-11-03 05:45:00,084 INFO L226 Difference]: Without dead ends: 5180 [2021-11-03 05:45:00,088 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:45:00,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5180 states. [2021-11-03 05:45:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5180 to 5178. [2021-11-03 05:45:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 5177 states have (on average 1.3196832142167279) internal successors, (6832), 5177 states have internal predecessors, (6832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 6832 transitions. [2021-11-03 05:45:00,753 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 6832 transitions. Word has length 61 [2021-11-03 05:45:00,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:00,753 INFO L470 AbstractCegarLoop]: Abstraction has 5178 states and 6832 transitions. [2021-11-03 05:45:00,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 05:45:00,753 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 6832 transitions. [2021-11-03 05:45:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 05:45:00,754 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:00,754 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 05:45:00,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-03 05:45:00,755 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:00,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash 534158658, now seen corresponding path program 1 times [2021-11-03 05:45:00,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:00,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772101594] [2021-11-03 05:45:00,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:00,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:00,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:00,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772101594] [2021-11-03 05:45:00,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772101594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:00,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:00,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:45:00,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958694528] [2021-11-03 05:45:00,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:45:00,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:45:00,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:45:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:45:00,798 INFO L87 Difference]: Start difference. First operand 5178 states and 6832 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 05:45:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:01,866 INFO L93 Difference]: Finished difference Result 12198 states and 16188 transitions. [2021-11-03 05:45:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:45:01,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 05:45:01,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:01,917 INFO L225 Difference]: With dead ends: 12198 [2021-11-03 05:45:01,917 INFO L226 Difference]: Without dead ends: 7410 [2021-11-03 05:45:01,922 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:45:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7410 states. [2021-11-03 05:45:02,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7410 to 6760. [2021-11-03 05:45:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6760 states, 6759 states have (on average 1.3065542239976329) internal successors, (8831), 6759 states have internal predecessors, (8831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6760 states to 6760 states and 8831 transitions. [2021-11-03 05:45:02,554 INFO L78 Accepts]: Start accepts. Automaton has 6760 states and 8831 transitions. Word has length 61 [2021-11-03 05:45:02,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:02,554 INFO L470 AbstractCegarLoop]: Abstraction has 6760 states and 8831 transitions. [2021-11-03 05:45:02,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 05:45:02,555 INFO L276 IsEmpty]: Start isEmpty. Operand 6760 states and 8831 transitions. [2021-11-03 05:45:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-03 05:45:02,555 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:02,556 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] [2021-11-03 05:45:02,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-03 05:45:02,556 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:02,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:02,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1503671052, now seen corresponding path program 1 times [2021-11-03 05:45:02,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:02,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117451457] [2021-11-03 05:45:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:02,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:02,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:02,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117451457] [2021-11-03 05:45:02,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117451457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:02,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:02,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-03 05:45:02,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190740477] [2021-11-03 05:45:02,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:45:02,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:45:02,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:45:02,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:45:02,638 INFO L87 Difference]: Start difference. First operand 6760 states and 8831 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:03,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:03,893 INFO L93 Difference]: Finished difference Result 9279 states and 12089 transitions. [2021-11-03 05:45:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 05:45:03,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-11-03 05:45:03,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:03,902 INFO L225 Difference]: With dead ends: 9279 [2021-11-03 05:45:03,902 INFO L226 Difference]: Without dead ends: 9277 [2021-11-03 05:45:03,905 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:45:03,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9277 states. [2021-11-03 05:45:04,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9277 to 8135. [2021-11-03 05:45:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8135 states, 8134 states have (on average 1.3026801081878534) internal successors, (10596), 8134 states have internal predecessors, (10596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8135 states to 8135 states and 10596 transitions. [2021-11-03 05:45:04,879 INFO L78 Accepts]: Start accepts. Automaton has 8135 states and 10596 transitions. Word has length 66 [2021-11-03 05:45:04,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:04,879 INFO L470 AbstractCegarLoop]: Abstraction has 8135 states and 10596 transitions. [2021-11-03 05:45:04,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8135 states and 10596 transitions. [2021-11-03 05:45:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 05:45:04,883 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:04,884 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:04,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-03 05:45:04,884 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:04,885 INFO L85 PathProgramCache]: Analyzing trace with hash 595690169, now seen corresponding path program 1 times [2021-11-03 05:45:04,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:04,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986651218] [2021-11-03 05:45:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:04,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:45:05,005 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:05,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986651218] [2021-11-03 05:45:05,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986651218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:05,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:05,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-03 05:45:05,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620451954] [2021-11-03 05:45:05,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:45:05,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:45:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:45:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:45:05,008 INFO L87 Difference]: Start difference. First operand 8135 states and 10596 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:06,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:06,880 INFO L93 Difference]: Finished difference Result 19668 states and 25697 transitions. [2021-11-03 05:45:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:45:06,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-03 05:45:06,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:06,895 INFO L225 Difference]: With dead ends: 19668 [2021-11-03 05:45:06,896 INFO L226 Difference]: Without dead ends: 12264 [2021-11-03 05:45:06,903 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:45:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12264 states. [2021-11-03 05:45:08,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12264 to 10460. [2021-11-03 05:45:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10460 states, 10459 states have (on average 1.284635242374988) internal successors, (13436), 10459 states have internal predecessors, (13436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10460 states to 10460 states and 13436 transitions. [2021-11-03 05:45:08,168 INFO L78 Accepts]: Start accepts. Automaton has 10460 states and 13436 transitions. Word has length 76 [2021-11-03 05:45:08,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:08,169 INFO L470 AbstractCegarLoop]: Abstraction has 10460 states and 13436 transitions. [2021-11-03 05:45:08,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10460 states and 13436 transitions. [2021-11-03 05:45:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 05:45:08,173 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:08,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:08,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-03 05:45:08,173 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:08,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:08,174 INFO L85 PathProgramCache]: Analyzing trace with hash -2081772236, now seen corresponding path program 1 times [2021-11-03 05:45:08,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:08,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359774794] [2021-11-03 05:45:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:08,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:08,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:08,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359774794] [2021-11-03 05:45:08,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359774794] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:45:08,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518634545] [2021-11-03 05:45:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:08,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:45:08,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:45:08,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:45:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:08,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-03 05:45:08,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:45:11,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:45:14,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518634545] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:14,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:45:14,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 11] imperfect sequences [17] total 41 [2021-11-03 05:45:14,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509453987] [2021-11-03 05:45:14,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-03 05:45:14,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:45:14,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-03 05:45:14,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1439, Unknown=0, NotChecked=0, Total=1640 [2021-11-03 05:45:14,017 INFO L87 Difference]: Start difference. First operand 10460 states and 13436 transitions. Second operand has 26 states, 26 states have (on average 4.961538461538462) internal successors, (129), 25 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:24,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:24,988 INFO L93 Difference]: Finished difference Result 35597 states and 46084 transitions. [2021-11-03 05:45:24,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-03 05:45:24,991 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.961538461538462) internal successors, (129), 25 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-03 05:45:24,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:25,027 INFO L225 Difference]: With dead ends: 35597 [2021-11-03 05:45:25,027 INFO L226 Difference]: Without dead ends: 27556 [2021-11-03 05:45:25,040 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1541 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=963, Invalid=4587, Unknown=0, NotChecked=0, Total=5550 [2021-11-03 05:45:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27556 states. [2021-11-03 05:45:27,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27556 to 11042. [2021-11-03 05:45:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11042 states, 11041 states have (on average 1.2816773842949007) internal successors, (14151), 11041 states have internal predecessors, (14151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11042 states to 11042 states and 14151 transitions. [2021-11-03 05:45:27,103 INFO L78 Accepts]: Start accepts. Automaton has 11042 states and 14151 transitions. Word has length 76 [2021-11-03 05:45:27,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:27,103 INFO L470 AbstractCegarLoop]: Abstraction has 11042 states and 14151 transitions. [2021-11-03 05:45:27,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.961538461538462) internal successors, (129), 25 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states and 14151 transitions. [2021-11-03 05:45:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 05:45:27,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:27,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:27,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:27,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:27,334 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:27,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1885539911, now seen corresponding path program 1 times [2021-11-03 05:45:27,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:27,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648156279] [2021-11-03 05:45:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:27,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:45:27,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:27,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648156279] [2021-11-03 05:45:27,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648156279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:27,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:27,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-03 05:45:27,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007908861] [2021-11-03 05:45:27,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:45:27,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:45:27,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:45:27,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:45:27,437 INFO L87 Difference]: Start difference. First operand 11042 states and 14151 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:31,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:31,393 INFO L93 Difference]: Finished difference Result 26804 states and 34587 transitions. [2021-11-03 05:45:31,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:45:31,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-03 05:45:31,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:31,413 INFO L225 Difference]: With dead ends: 26804 [2021-11-03 05:45:31,414 INFO L226 Difference]: Without dead ends: 18891 [2021-11-03 05:45:31,423 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:45:31,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18891 states. [2021-11-03 05:45:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18891 to 14357. [2021-11-03 05:45:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14357 states, 14356 states have (on average 1.271175814990248) internal successors, (18249), 14356 states have internal predecessors, (18249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14357 states to 14357 states and 18249 transitions. [2021-11-03 05:45:34,154 INFO L78 Accepts]: Start accepts. Automaton has 14357 states and 18249 transitions. Word has length 76 [2021-11-03 05:45:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:34,155 INFO L470 AbstractCegarLoop]: Abstraction has 14357 states and 18249 transitions. [2021-11-03 05:45:34,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 14357 states and 18249 transitions. [2021-11-03 05:45:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 05:45:34,158 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:34,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:34,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-03 05:45:34,159 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:34,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:34,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1763027852, now seen corresponding path program 1 times [2021-11-03 05:45:34,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:34,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273566773] [2021-11-03 05:45:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:34,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:34,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:34,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273566773] [2021-11-03 05:45:34,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273566773] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:45:34,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154022353] [2021-11-03 05:45:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:34,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:34,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:45:34,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:45:34,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:45:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:35,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-03 05:45:35,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:45:37,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:45:39,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154022353] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:39,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:45:39,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 11] imperfect sequences [16] total 40 [2021-11-03 05:45:39,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788271556] [2021-11-03 05:45:39,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-03 05:45:39,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:45:39,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-03 05:45:39,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1371, Unknown=0, NotChecked=0, Total=1560 [2021-11-03 05:45:39,191 INFO L87 Difference]: Start difference. First operand 14357 states and 18249 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 25 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:55,072 INFO L93 Difference]: Finished difference Result 39321 states and 50105 transitions. [2021-11-03 05:45:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-03 05:45:55,073 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 25 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-03 05:45:55,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:55,106 INFO L225 Difference]: With dead ends: 39321 [2021-11-03 05:45:55,106 INFO L226 Difference]: Without dead ends: 29323 [2021-11-03 05:45:55,121 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2419 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1922, Invalid=7198, Unknown=0, NotChecked=0, Total=9120 [2021-11-03 05:45:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29323 states. [2021-11-03 05:45:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29323 to 17757. [2021-11-03 05:45:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17757 states, 17756 states have (on average 1.2637418337463393) internal successors, (22439), 17756 states have internal predecessors, (22439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17757 states to 17757 states and 22439 transitions. [2021-11-03 05:45:59,178 INFO L78 Accepts]: Start accepts. Automaton has 17757 states and 22439 transitions. Word has length 76 [2021-11-03 05:45:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:59,178 INFO L470 AbstractCegarLoop]: Abstraction has 17757 states and 22439 transitions. [2021-11-03 05:45:59,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 25 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17757 states and 22439 transitions. [2021-11-03 05:45:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 05:45:59,182 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:59,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:59,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:59,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:59,398 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:59,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:59,398 INFO L85 PathProgramCache]: Analyzing trace with hash 770436240, now seen corresponding path program 1 times [2021-11-03 05:45:59,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:45:59,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059020240] [2021-11-03 05:45:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:59,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:45:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:46:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:46:00,113 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:46:00,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059020240] [2021-11-03 05:46:00,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059020240] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:46:00,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425725524] [2021-11-03 05:46:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:46:00,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:46:00,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:46:00,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:46:00,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8937639-1643-43a0-935c-793addf48b37/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:46:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:46:00,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-03 05:46:00,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:46:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:46:05,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:51:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:51:28,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425725524] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:51:28,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [215528112] [2021-11-03 05:51:28,368 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2021-11-03 05:51:28,368 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:51:28,372 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:51:28,378 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:51:28,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:51:28,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:28,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:51:28,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:28,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:51:28,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:28,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:51:28,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:28,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:51:28,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-11-03 05:51:28,570 INFO L446 ElimStorePlain]: Different costs {0=[v_~nodes~0.offset_9, v_~nodes~0.base_9, |v_#length_9|], 21=[|v_#valid_10|]} [2021-11-03 05:51:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:51:28,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:51:28,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:51:28,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:51:28,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:28,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:51:28,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:51:28,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:51:28,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:51:28,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:51:28,656 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:51:28,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:28,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:51:28,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:51:28,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:51:28,699 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:51:28,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:28,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:51:28,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 05:51:28,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:51:28,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:51:28,759 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:51:28,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:28,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 261 [2021-11-03 05:51:28,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:51:28,790 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:280, output treesize:261 [2021-11-03 05:51:28,855 INFO L180 QuantifierPusher]: treesize reduction 45, result has 86.8 percent of original size [2021-11-03 05:51:28,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 05:51:28,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-03 05:51:28,917 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.0 percent of original size [2021-11-03 05:51:28,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 05:51:28,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:28,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2021-11-03 05:51:28,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:29,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-03 05:51:29,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:29,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2021-11-03 05:51:29,060 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-11-03 05:51:29,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-03 05:51:29,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:29,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-03 05:51:29,123 INFO L180 QuantifierPusher]: treesize reduction 5, result has 99.0 percent of original size [2021-11-03 05:51:29,137 INFO L185 QuantifierPusher]: treesize reduction 5, result has 98.9 percent of original size 448 [2021-11-03 05:51:29,160 INFO L180 QuantifierPusher]: treesize reduction 5, result has 99.1 percent of original size [2021-11-03 05:51:29,175 INFO L185 QuantifierPusher]: treesize reduction 8, result has 98.4 percent of original size 503 [2021-11-03 05:51:29,198 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.7 percent of original size [2021-11-03 05:51:29,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 568 [2021-11-03 05:51:29,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:29,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:29,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:29,858 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-11-03 05:51:29,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-03 05:51:29,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:29,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 05:51:29,950 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.3 percent of original size [2021-11-03 05:51:29,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 396 [2021-11-03 05:51:29,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:29,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-03 05:51:30,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 396 [2021-11-03 05:51:30,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 401 [2021-11-03 05:51:30,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:51:30,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:30,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:30,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:30,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:51:30,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:51:30,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:51:30,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:51:30,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:30,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:30,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:30,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:30,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:30,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 755 [2021-11-03 05:51:30,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2021-11-03 05:51:30,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-11-03 05:51:30,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:51:30,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:30,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 598 [2021-11-03 05:51:30,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1102 [2021-11-03 05:51:30,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1102 [2021-11-03 05:51:30,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:30,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:30,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:51:30,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:51:30,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:51:30,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 644 [2021-11-03 05:51:30,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1148 [2021-11-03 05:51:31,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1148 [2021-11-03 05:51:31,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 646 [2021-11-03 05:51:31,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-11-03 05:51:31,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1152 [2021-11-03 05:51:31,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1152 [2021-11-03 05:51:31,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 05:51:31,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-03 05:51:31,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,408 INFO L185 QuantifierPusher]: treesize reduction 24, result has 95.4 percent of original size 494 [2021-11-03 05:51:31,433 INFO L180 QuantifierPusher]: treesize reduction 24, result has 95.6 percent of original size [2021-11-03 05:51:31,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 513 [2021-11-03 05:51:31,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 518 [2021-11-03 05:51:31,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 05:51:31,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:51:31,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:51:31,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:51:31,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:51:31,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-03 05:51:31,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 05:51:31,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-03 05:51:31,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:51:31,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:51:31,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-03 05:51:31,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-03 05:51:31,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-03 05:51:31,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 05:51:31,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-03 05:51:31,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:51:31,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 05:51:31,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 05:51:31,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:51:31,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:51:31,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:51:31,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:51:31,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:51:31,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 05:51:31,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:51:31,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:51:31,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:51:31,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-03 05:51:31,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 649 [2021-11-03 05:51:31,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 643 [2021-11-03 05:51:31,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 633 [2021-11-03 05:51:31,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:31,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:51:31,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:31,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-03 05:51:31,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:51:31,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:51:31,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-03 05:51:31,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-03 05:51:31,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 05:51:31,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:51:31,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:31,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-03 05:51:31,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:51:31,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-03 05:51:31,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:51:31,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:31,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-03 05:51:31,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:51:31,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-03 05:51:31,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:31,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:31,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:51:31,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:31,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-03 05:51:31,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:51:31,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 509 [2021-11-03 05:51:31,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 05:51:31,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1143 [2021-11-03 05:51:32,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,357 INFO L180 QuantifierPusher]: treesize reduction 36, result has 92.2 percent of original size [2021-11-03 05:51:32,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-03 05:51:32,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 421 [2021-11-03 05:51:32,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 444 [2021-11-03 05:51:32,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:32,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:51:32,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:32,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:32,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:32,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 05:51:32,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:51:32,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:51:32,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:51:32,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 493 [2021-11-03 05:51:32,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:32,755 INFO L180 QuantifierPusher]: treesize reduction 36, result has 93.3 percent of original size [2021-11-03 05:51:32,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 444 [2021-11-03 05:51:32,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 451 [2021-11-03 05:51:32,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 456 [2021-11-03 05:51:32,860 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.5 percent of original size [2021-11-03 05:51:32,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 05:51:32,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:51:32,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:51:32,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:51:32,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 05:51:32,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:51:32,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-03 05:51:32,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-03 05:51:32,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 05:51:32,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:51:32,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:51:32,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:51:32,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-03 05:51:32,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:51:32,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-03 05:51:32,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:51:32,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:51:32,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:32,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-03 05:51:32,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 05:51:32,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 05:51:32,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 05:51:32,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-03 05:51:32,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-03 05:51:32,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 05:51:32,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-03 05:51:32,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:51:32,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-03 05:51:32,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:51:32,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:51:32,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:32,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:32,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-03 05:51:32,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 05:51:32,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 05:51:32,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:51:33,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:51:33,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:51:33,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:51:33,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:51:33,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:51:33,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:51:33,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:51:33,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:51:33,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:51:33,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:51:33,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:51:33,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:51:33,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:51:33,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-03 05:51:33,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-03 05:51:33,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-03 05:51:33,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:51:33,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-03 05:51:33,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-11-03 05:51:33,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 472 [2021-11-03 05:51:33,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2021-11-03 05:51:33,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 485 [2021-11-03 05:51:33,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2021-11-03 05:51:33,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:51:33,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 649 [2021-11-03 05:51:33,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,631 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-03 05:51:33,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 05:51:33,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:51:33,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:33,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:33,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:33,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:33,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 05:51:33,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:51:33,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:51:33,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:51:33,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 05:51:33,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:33,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-03 05:51:33,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:33,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,701 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.7 percent of original size [2021-11-03 05:51:34,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 431 [2021-11-03 05:51:34,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:34,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 428 [2021-11-03 05:51:34,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:34,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 811 [2021-11-03 05:51:35,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:51:35,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:51:35,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:35,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:51:35,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 05:51:35,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:51:35,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:51:35,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:51:35,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 965 [2021-11-03 05:51:35,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 965 [2021-11-03 05:51:35,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:51:35,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:35,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 945 [2021-11-03 05:51:35,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 955 [2021-11-03 05:51:35,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:35,970 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.8 percent of original size [2021-11-03 05:51:35,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 422 [2021-11-03 05:51:35,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:36,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 441 [2021-11-03 05:51:36,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:51:36,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-03 05:51:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:36,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:36,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:51:36,418 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:52:33,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:52:33,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:52:33,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 29, 28] total 71 [2021-11-03 05:52:33,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970584793] [2021-11-03 05:52:33,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2021-11-03 05:52:33,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:52:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-11-03 05:52:33,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2344, Invalid=13658, Unknown=0, NotChecked=0, Total=16002 [2021-11-03 05:52:33,687 INFO L87 Difference]: Start difference. First operand 17757 states and 22439 transitions. Second operand has 71 states, 71 states have (on average 3.1690140845070425) internal successors, (225), 71 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:52:46,862 WARN L207 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 767 DAG size of output: 360 [2021-11-03 05:52:53,337 WARN L207 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 768 DAG size of output: 310 [2021-11-03 05:53:40,317 WARN L207 SmtUtils]: Spent 16.39 s on a formula simplification. DAG size of input: 811 DAG size of output: 665 [2021-11-03 05:54:09,308 WARN L207 SmtUtils]: Spent 20.96 s on a formula simplification. DAG size of input: 1104 DAG size of output: 940 [2021-11-03 05:54:32,461 WARN L207 SmtUtils]: Spent 22.50 s on a formula simplification. DAG size of input: 958 DAG size of output: 789 [2021-11-03 05:54:50,849 WARN L207 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 641 DAG size of output: 528 [2021-11-03 05:55:05,434 WARN L207 SmtUtils]: Spent 14.11 s on a formula simplification. DAG size of input: 773 DAG size of output: 639 [2021-11-03 05:55:16,457 WARN L207 SmtUtils]: Spent 10.32 s on a formula simplification. DAG size of input: 770 DAG size of output: 654 [2021-11-03 05:55:36,904 WARN L207 SmtUtils]: Spent 19.79 s on a formula simplification. DAG size of input: 917 DAG size of output: 760 [2021-11-03 05:55:52,395 WARN L207 SmtUtils]: Spent 14.98 s on a formula simplification. DAG size of input: 770 DAG size of output: 635 [2021-11-03 05:56:34,666 WARN L207 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 642 DAG size of output: 529 [2021-11-03 05:56:43,254 WARN L207 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 643 DAG size of output: 530 [2021-11-03 05:56:54,972 WARN L207 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 646 DAG size of output: 518