./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw --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 041b6fdf6940cdc60d0f8513696cf56c45d5af72c3bd8ce1d60d3ac14fc6f3dc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:24:04,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:24:04,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:24:04,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:24:04,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:24:04,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:24:04,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:24:04,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:24:04,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:24:04,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:24:04,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:24:04,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:24:04,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:24:04,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:24:04,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:24:04,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:24:04,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:24:04,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:24:04,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:24:04,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:24:04,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:24:04,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:24:04,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:24:04,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:24:04,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:24:04,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:24:04,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:24:04,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:24:04,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:24:04,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:24:04,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:24:04,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:24:04,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:24:04,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:24:04,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:24:04,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:24:04,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:24:04,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:24:04,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:24:04,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:24:04,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:24:04,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:24:04,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:24:04,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:24:04,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:24:04,994 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:24:04,994 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:24:04,994 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:24:04,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:24:04,995 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:24:04,995 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:24:04,995 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:24:04,996 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:24:04,996 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:24:04,996 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:24:04,997 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:24:04,997 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:24:04,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:24:04,998 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:24:04,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:24:04,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:24:04,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:24:04,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:24:04,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:24:05,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:24:05,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:24:05,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:24:05,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:24:05,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:24:05,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:24:05,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:24:05,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:24:05,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:24:05,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:24:05,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:24:05,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:24:05,003 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:24:05,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:24:05,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:24:05,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:24:05,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:24:05,005 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_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041b6fdf6940cdc60d0f8513696cf56c45d5af72c3bd8ce1d60d3ac14fc6f3dc [2021-10-20 06:24:05,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:24:05,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:24:05,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:24:05,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:24:05,314 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:24:05,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c [2021-10-20 06:24:05,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/data/ef02d22ec/9ee7fa47f9a04466bbdf2ff30763eddd/FLAG9999d1112 [2021-10-20 06:24:05,977 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:24:05,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/sv-benchmarks/c/psyco/psyco_abp_1-3.c [2021-10-20 06:24:06,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/data/ef02d22ec/9ee7fa47f9a04466bbdf2ff30763eddd/FLAG9999d1112 [2021-10-20 06:24:06,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/data/ef02d22ec/9ee7fa47f9a04466bbdf2ff30763eddd [2021-10-20 06:24:06,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:24:06,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:24:06,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:24:06,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:24:06,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:24:06,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7ea595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06, skipping insertion in model container [2021-10-20 06:24:06,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:24:06,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:24:06,675 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_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733] [2021-10-20 06:24:06,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:24:06,712 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:24:06,801 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_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733] [2021-10-20 06:24:06,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:24:06,828 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:24:06,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06 WrapperNode [2021-10-20 06:24:06,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:24:06,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:24:06,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:24:06,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:24:06,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:24:06,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:24:06,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:24:06,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:24:06,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:06,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:24:06,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:24:06,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:24:06,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:24:06,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (1/1) ... [2021-10-20 06:24:07,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:24:07,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:24:07,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:24:07,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:24:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:24:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:24:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 06:24:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:24:08,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:24:08,114 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-20 06:24:08,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:24:08 BoogieIcfgContainer [2021-10-20 06:24:08,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:24:08,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:24:08,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:24:08,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:24:08,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:24:06" (1/3) ... [2021-10-20 06:24:08,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50abbdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:24:08, skipping insertion in model container [2021-10-20 06:24:08,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:24:06" (2/3) ... [2021-10-20 06:24:08,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50abbdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:24:08, skipping insertion in model container [2021-10-20 06:24:08,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:24:08" (3/3) ... [2021-10-20 06:24:08,128 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-3.c [2021-10-20 06:24:08,135 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:24:08,135 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 06:24:08,188 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:24:08,195 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 [2021-10-20 06:24:08,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 06:24:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 105 states have (on average 1.9714285714285715) internal successors, (207), 106 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-20 06:24:08,222 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:08,222 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:08,223 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:08,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1235094703, now seen corresponding path program 1 times [2021-10-20 06:24:08,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:08,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067525959] [2021-10-20 06:24:08,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:08,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:08,461 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:08,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067525959] [2021-10-20 06:24:08,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067525959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:08,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:08,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 06:24:08,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777027944] [2021-10-20 06:24:08,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:24:08,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:08,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:24:08,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:24:08,510 INFO L87 Difference]: Start difference. First operand has 107 states, 105 states have (on average 1.9714285714285715) internal successors, (207), 106 states have internal predecessors, (207), 0 states have call successors, (0), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:08,561 INFO L93 Difference]: Finished difference Result 213 states and 413 transitions. [2021-10-20 06:24:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:24:08,563 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-20 06:24:08,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:08,584 INFO L225 Difference]: With dead ends: 213 [2021-10-20 06:24:08,584 INFO L226 Difference]: Without dead ends: 99 [2021-10-20 06:24:08,589 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:24:08,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-20 06:24:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-20 06:24:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.6734693877551021) internal successors, (164), 98 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 164 transitions. [2021-10-20 06:24:08,637 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 164 transitions. Word has length 8 [2021-10-20 06:24:08,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:08,638 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 164 transitions. [2021-10-20 06:24:08,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2021-10-20 06:24:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-20 06:24:08,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:08,640 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:08,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 06:24:08,640 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:08,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:08,641 INFO L82 PathProgramCache]: Analyzing trace with hash 899257357, now seen corresponding path program 1 times [2021-10-20 06:24:08,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:08,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162778777] [2021-10-20 06:24:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:08,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:08,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:08,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162778777] [2021-10-20 06:24:08,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162778777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:08,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:08,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 06:24:08,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253297702] [2021-10-20 06:24:08,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:08,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:08,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:08,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:08,758 INFO L87 Difference]: Start difference. First operand 99 states and 164 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:08,829 INFO L93 Difference]: Finished difference Result 200 states and 331 transitions. [2021-10-20 06:24:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:08,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-20 06:24:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:08,832 INFO L225 Difference]: With dead ends: 200 [2021-10-20 06:24:08,832 INFO L226 Difference]: Without dead ends: 102 [2021-10-20 06:24:08,833 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:08,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-10-20 06:24:08,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-10-20 06:24:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.6534653465346534) internal successors, (167), 101 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 167 transitions. [2021-10-20 06:24:08,848 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 167 transitions. Word has length 9 [2021-10-20 06:24:08,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:08,849 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 167 transitions. [2021-10-20 06:24:08,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2021-10-20 06:24:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-20 06:24:08,851 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:08,852 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:08,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-20 06:24:08,852 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:08,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1778638772, now seen corresponding path program 1 times [2021-10-20 06:24:08,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:08,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238529192] [2021-10-20 06:24:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:08,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:09,219 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:09,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238529192] [2021-10-20 06:24:09,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238529192] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:09,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:09,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 06:24:09,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327352105] [2021-10-20 06:24:09,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:24:09,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:09,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:24:09,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:24:09,230 INFO L87 Difference]: Start difference. First operand 102 states and 167 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:09,516 INFO L93 Difference]: Finished difference Result 204 states and 333 transitions. [2021-10-20 06:24:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:09,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-10-20 06:24:09,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:09,525 INFO L225 Difference]: With dead ends: 204 [2021-10-20 06:24:09,526 INFO L226 Difference]: Without dead ends: 185 [2021-10-20 06:24:09,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:24:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-20 06:24:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 171. [2021-10-20 06:24:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.6470588235294117) internal successors, (280), 170 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 280 transitions. [2021-10-20 06:24:09,556 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 280 transitions. Word has length 14 [2021-10-20 06:24:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:09,556 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 280 transitions. [2021-10-20 06:24:09,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 280 transitions. [2021-10-20 06:24:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-20 06:24:09,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:09,559 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:09,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-20 06:24:09,559 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash 2054474346, now seen corresponding path program 1 times [2021-10-20 06:24:09,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:09,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316944311] [2021-10-20 06:24:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:09,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:09,615 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:09,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316944311] [2021-10-20 06:24:09,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316944311] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:09,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:09,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:24:09,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231136025] [2021-10-20 06:24:09,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:09,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:09,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:09,626 INFO L87 Difference]: Start difference. First operand 171 states and 280 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:09,680 INFO L93 Difference]: Finished difference Result 292 states and 476 transitions. [2021-10-20 06:24:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:09,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-20 06:24:09,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:09,683 INFO L225 Difference]: With dead ends: 292 [2021-10-20 06:24:09,683 INFO L226 Difference]: Without dead ends: 123 [2021-10-20 06:24:09,690 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:09,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-20 06:24:09,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2021-10-20 06:24:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.6083333333333334) internal successors, (193), 120 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 193 transitions. [2021-10-20 06:24:09,707 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 193 transitions. Word has length 15 [2021-10-20 06:24:09,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:09,708 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 193 transitions. [2021-10-20 06:24:09,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2021-10-20 06:24:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-20 06:24:09,713 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:09,714 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:09,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-20 06:24:09,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:09,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:09,716 INFO L82 PathProgramCache]: Analyzing trace with hash -728910377, now seen corresponding path program 1 times [2021-10-20 06:24:09,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:09,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543286610] [2021-10-20 06:24:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:09,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-20 06:24:09,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:09,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543286610] [2021-10-20 06:24:09,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543286610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:09,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:09,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:24:09,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046659494] [2021-10-20 06:24:09,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:09,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:09,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:09,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:09,836 INFO L87 Difference]: Start difference. First operand 121 states and 193 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:09,869 INFO L93 Difference]: Finished difference Result 225 states and 357 transitions. [2021-10-20 06:24:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:09,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 20 [2021-10-20 06:24:09,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:09,872 INFO L225 Difference]: With dead ends: 225 [2021-10-20 06:24:09,872 INFO L226 Difference]: Without dead ends: 106 [2021-10-20 06:24:09,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:09,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-20 06:24:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-10-20 06:24:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.5728155339805825) internal successors, (162), 103 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 162 transitions. [2021-10-20 06:24:09,892 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 162 transitions. Word has length 20 [2021-10-20 06:24:09,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:09,892 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 162 transitions. [2021-10-20 06:24:09,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 162 transitions. [2021-10-20 06:24:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 06:24:09,899 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:09,900 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:09,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-20 06:24:09,900 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:09,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:09,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1707782936, now seen corresponding path program 1 times [2021-10-20 06:24:09,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:09,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158389230] [2021-10-20 06:24:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:09,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:10,197 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:10,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158389230] [2021-10-20 06:24:10,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158389230] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 06:24:10,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372216897] [2021-10-20 06:24:10,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:10,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:24:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:24:10,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:24:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-20 06:24:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:10,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 06:24:10,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:24:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:10,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:24:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:10,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372216897] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:24:10,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2003339938] [2021-10-20 06:24:10,572 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-10-20 06:24:10,573 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 06:24:10,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 06:24:10,582 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 06:24:10,583 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 06:24:10,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:10,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 06:24:10,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:10,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 06:24:10,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-20 06:24:10,695 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-10-20 06:24:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,720 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 [2021-10-20 06:24:10,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:24:10,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:24:10,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 06:24:10,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:10,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:10,768 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 [2021-10-20 06:24:10,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:24:10,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:24:10,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 06:24:10,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:10,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-10-20 06:24:10,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 06:24:10,792 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:121 [2021-10-20 06:24:10,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-10-20 06:24:10,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-10-20 06:24:10,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:10,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:10,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:11,011 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-10-20 06:24:11,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:11,040 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-10-20 06:24:11,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-10-20 06:24:11,085 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-10-20 06:24:11,105 INFO L185 QuantifierPusher]: treesize reduction 14, result has 93.8 percent of original size 210 [2021-10-20 06:24:11,139 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.7 percent of original size [2021-10-20 06:24:11,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-10-20 06:24:11,192 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-10-20 06:24:11,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:11,220 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-10-20 06:24:11,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-10-20 06:24:11,261 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-10-20 06:24:11,278 INFO L185 QuantifierPusher]: treesize reduction 14, result has 93.8 percent of original size 210 [2021-10-20 06:24:11,309 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.7 percent of original size [2021-10-20 06:24:11,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-10-20 06:24:11,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:11,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:11,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:11,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:11,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:11,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 623 [2021-10-20 06:24:11,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:11,915 INFO L185 QuantifierPusher]: treesize reduction 186, result has 69.3 percent of original size 419 [2021-10-20 06:24:11,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:11,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:11,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:11,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:12,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:12,373 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-10-20 06:24:12,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:12,396 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-10-20 06:24:12,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-10-20 06:24:12,451 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-10-20 06:24:12,465 INFO L185 QuantifierPusher]: treesize reduction 14, result has 93.8 percent of original size 210 [2021-10-20 06:24:12,489 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.7 percent of original size [2021-10-20 06:24:12,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-10-20 06:24:12,541 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-10-20 06:24:12,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:12,562 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-10-20 06:24:12,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-10-20 06:24:12,587 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-10-20 06:24:12,602 INFO L185 QuantifierPusher]: treesize reduction 16, result has 93.2 percent of original size 219 [2021-10-20 06:24:12,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:12,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:12,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-10-20 06:24:12,962 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-10-20 06:24:12,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-10-20 06:24:12,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:13,126 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.0 percent of original size [2021-10-20 06:24:13,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-10-20 06:24:13,158 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 06:24:20,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 06:24:20,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-20 06:24:20,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2021-10-20 06:24:20,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272450025] [2021-10-20 06:24:20,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-20 06:24:20,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-20 06:24:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2021-10-20 06:24:20,237 INFO L87 Difference]: Start difference. First operand 104 states and 162 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:20,913 INFO L93 Difference]: Finished difference Result 358 states and 563 transitions. [2021-10-20 06:24:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-20 06:24:20,913 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-20 06:24:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:20,916 INFO L225 Difference]: With dead ends: 358 [2021-10-20 06:24:20,917 INFO L226 Difference]: Without dead ends: 318 [2021-10-20 06:24:20,918 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 7232.8ms TimeCoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-10-20 06:24:20,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-20 06:24:20,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274. [2021-10-20 06:24:20,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.586080586080586) internal successors, (433), 273 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) [2021-10-20 06:24:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 433 transitions. [2021-10-20 06:24:20,933 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 433 transitions. Word has length 22 [2021-10-20 06:24:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:20,933 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 433 transitions. [2021-10-20 06:24:20,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 433 transitions. [2021-10-20 06:24:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 06:24:20,941 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:20,941 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:20,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:24:21,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:24:21,143 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:21,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:21,143 INFO L82 PathProgramCache]: Analyzing trace with hash -97156331, now seen corresponding path program 1 times [2021-10-20 06:24:21,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:21,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252354006] [2021-10-20 06:24:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:21,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-20 06:24:21,198 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:21,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252354006] [2021-10-20 06:24:21,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252354006] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:21,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:21,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:24:21,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002650931] [2021-10-20 06:24:21,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:21,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:21,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:21,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:21,200 INFO L87 Difference]: Start difference. First operand 274 states and 433 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:21,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:21,233 INFO L93 Difference]: Finished difference Result 547 states and 860 transitions. [2021-10-20 06:24:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:21,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 24 [2021-10-20 06:24:21,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:21,236 INFO L225 Difference]: With dead ends: 547 [2021-10-20 06:24:21,236 INFO L226 Difference]: Without dead ends: 296 [2021-10-20 06:24:21,237 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-20 06:24:21,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2021-10-20 06:24:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 293 states have (on average 1.546075085324232) internal successors, (453), 293 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 453 transitions. [2021-10-20 06:24:21,250 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 453 transitions. Word has length 24 [2021-10-20 06:24:21,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:21,250 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 453 transitions. [2021-10-20 06:24:21,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 453 transitions. [2021-10-20 06:24:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 06:24:21,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:21,252 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:21,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-20 06:24:21,252 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:21,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:21,253 INFO L82 PathProgramCache]: Analyzing trace with hash -2003320486, now seen corresponding path program 1 times [2021-10-20 06:24:21,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:21,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127877928] [2021-10-20 06:24:21,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:21,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:21,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:21,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127877928] [2021-10-20 06:24:21,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127877928] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 06:24:21,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907929761] [2021-10-20 06:24:21,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:21,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:24:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:24:21,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:24:21,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-20 06:24:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:21,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 06:24:21,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:24:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 06:24:21,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:24:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 06:24:22,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907929761] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:22,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-20 06:24:22,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2021-10-20 06:24:22,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191745551] [2021-10-20 06:24:22,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:24:22,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:22,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:24:22,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:24:22,095 INFO L87 Difference]: Start difference. First operand 294 states and 453 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:22,117 INFO L93 Difference]: Finished difference Result 297 states and 455 transitions. [2021-10-20 06:24:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:22,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-20 06:24:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:22,121 INFO L225 Difference]: With dead ends: 297 [2021-10-20 06:24:22,122 INFO L226 Difference]: Without dead ends: 291 [2021-10-20 06:24:22,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.7ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:24:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-20 06:24:22,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 290. [2021-10-20 06:24:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 289 states have (on average 1.5259515570934257) internal successors, (441), 289 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 441 transitions. [2021-10-20 06:24:22,136 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 441 transitions. Word has length 26 [2021-10-20 06:24:22,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:22,136 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 441 transitions. [2021-10-20 06:24:22,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 441 transitions. [2021-10-20 06:24:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-20 06:24:22,138 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:22,138 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:22,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:24:22,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:24:22,344 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:22,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:22,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1408238156, now seen corresponding path program 1 times [2021-10-20 06:24:22,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:22,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879482785] [2021-10-20 06:24:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:22,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 06:24:22,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:22,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879482785] [2021-10-20 06:24:22,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879482785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:22,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:22,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:24:22,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91254795] [2021-10-20 06:24:22,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:22,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:22,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:22,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:22,395 INFO L87 Difference]: Start difference. First operand 290 states and 441 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:22,428 INFO L93 Difference]: Finished difference Result 509 states and 774 transitions. [2021-10-20 06:24:22,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:22,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-20 06:24:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:22,433 INFO L225 Difference]: With dead ends: 509 [2021-10-20 06:24:22,433 INFO L226 Difference]: Without dead ends: 242 [2021-10-20 06:24:22,434 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-20 06:24:22,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2021-10-20 06:24:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.506276150627615) internal successors, (360), 239 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 360 transitions. [2021-10-20 06:24:22,444 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 360 transitions. Word has length 32 [2021-10-20 06:24:22,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:22,445 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 360 transitions. [2021-10-20 06:24:22,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 360 transitions. [2021-10-20 06:24:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-20 06:24:22,448 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:22,449 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:22,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-20 06:24:22,449 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:22,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:22,450 INFO L82 PathProgramCache]: Analyzing trace with hash -487022107, now seen corresponding path program 1 times [2021-10-20 06:24:22,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:22,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790595077] [2021-10-20 06:24:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:22,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 06:24:22,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:22,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790595077] [2021-10-20 06:24:22,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790595077] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:22,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:22,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:24:22,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338957177] [2021-10-20 06:24:22,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:22,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:22,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:22,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:22,506 INFO L87 Difference]: Start difference. First operand 240 states and 360 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:22,540 INFO L93 Difference]: Finished difference Result 423 states and 631 transitions. [2021-10-20 06:24:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 36 [2021-10-20 06:24:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:22,543 INFO L225 Difference]: With dead ends: 423 [2021-10-20 06:24:22,543 INFO L226 Difference]: Without dead ends: 224 [2021-10-20 06:24:22,544 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:22,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-20 06:24:22,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-10-20 06:24:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4615384615384615) internal successors, (323), 221 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 323 transitions. [2021-10-20 06:24:22,556 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 323 transitions. Word has length 36 [2021-10-20 06:24:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:22,556 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 323 transitions. [2021-10-20 06:24:22,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 323 transitions. [2021-10-20 06:24:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-20 06:24:22,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:22,558 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:24:22,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-20 06:24:22,558 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:22,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1378383767, now seen corresponding path program 1 times [2021-10-20 06:24:22,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:22,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16809240] [2021-10-20 06:24:22,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:22,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-20 06:24:22,631 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:22,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16809240] [2021-10-20 06:24:22,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16809240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:24:22,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:24:22,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:24:22,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429793298] [2021-10-20 06:24:22,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:24:22,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:22,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:24:22,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:22,633 INFO L87 Difference]: Start difference. First operand 222 states and 323 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:22,666 INFO L93 Difference]: Finished difference Result 304 states and 441 transitions. [2021-10-20 06:24:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:24:22,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 [2021-10-20 06:24:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:22,670 INFO L225 Difference]: With dead ends: 304 [2021-10-20 06:24:22,671 INFO L226 Difference]: Without dead ends: 142 [2021-10-20 06:24:22,671 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:24:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-20 06:24:22,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-10-20 06:24:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.4244604316546763) internal successors, (198), 139 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 198 transitions. [2021-10-20 06:24:22,678 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 198 transitions. Word has length 45 [2021-10-20 06:24:22,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:22,679 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 198 transitions. [2021-10-20 06:24:22,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2021-10-20 06:24:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-20 06:24:22,681 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:24:22,681 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 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] [2021-10-20 06:24:22,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-20 06:24:22,682 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:24:22,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:24:22,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1173572958, now seen corresponding path program 1 times [2021-10-20 06:24:22,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:24:22,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461977909] [2021-10-20 06:24:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:22,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:24:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:24:22,871 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:24:22,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461977909] [2021-10-20 06:24:22,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461977909] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 06:24:22,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942076824] [2021-10-20 06:24:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:24:22,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:24:22,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:24:22,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:24:22,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-20 06:24:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:24:23,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-20 06:24:23,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:24:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:23,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:24:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:24:23,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942076824] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:24:23,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [544200667] [2021-10-20 06:24:23,939 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-10-20 06:24:23,939 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 06:24:23,939 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 06:24:23,940 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 06:24:23,940 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 06:24:23,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:23,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:23,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:23,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 06:24:23,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:23,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:23,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 06:24:23,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-20 06:24:23,988 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-10-20 06:24:23,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:23,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,002 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 [2021-10-20 06:24:24,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:24:24,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:24:24,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 06:24:24,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:24:24,032 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 [2021-10-20 06:24:24,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:24:24,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:24:24,036 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 06:24:24,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-10-20 06:24:24,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 06:24:24,048 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:121 [2021-10-20 06:24:24,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-10-20 06:24:24,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-10-20 06:24:24,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:24,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:24,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,278 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.4 percent of original size [2021-10-20 06:24:24,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-10-20 06:24:24,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-10-20 06:24:24,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:24,334 INFO L185 QuantifierPusher]: treesize reduction 75, result has 73.2 percent of original size 205 [2021-10-20 06:24:24,352 INFO L180 QuantifierPusher]: treesize reduction 75, result has 80.3 percent of original size [2021-10-20 06:24:24,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-10-20 06:24:24,401 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-10-20 06:24:24,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-10-20 06:24:24,432 INFO L180 QuantifierPusher]: treesize reduction 29, result has 94.3 percent of original size [2021-10-20 06:24:24,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-10-20 06:24:24,471 INFO L180 QuantifierPusher]: treesize reduction 104, result has 83.1 percent of original size [2021-10-20 06:24:24,496 INFO L185 QuantifierPusher]: treesize reduction 85, result has 72.8 percent of original size 228 [2021-10-20 06:24:24,533 INFO L180 QuantifierPusher]: treesize reduction 85, result has 79.4 percent of original size [2021-10-20 06:24:24,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-10-20 06:24:24,576 INFO L180 QuantifierPusher]: treesize reduction 256, result has 0.4 percent of original size [2021-10-20 06:24:24,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:24,597 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-10-20 06:24:24,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-10-20 06:24:24,628 INFO L180 QuantifierPusher]: treesize reduction 29, result has 94.3 percent of original size [2021-10-20 06:24:24,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-10-20 06:24:24,686 INFO L180 QuantifierPusher]: treesize reduction 104, result has 83.1 percent of original size [2021-10-20 06:24:24,719 INFO L185 QuantifierPusher]: treesize reduction 85, result has 72.8 percent of original size 228 [2021-10-20 06:24:24,762 INFO L180 QuantifierPusher]: treesize reduction 85, result has 79.4 percent of original size [2021-10-20 06:24:24,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-20 06:24:24,797 INFO L180 QuantifierPusher]: treesize reduction 236, result has 0.4 percent of original size [2021-10-20 06:24:24,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:24,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:24,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:25,139 INFO L180 QuantifierPusher]: treesize reduction 36, result has 94.7 percent of original size [2021-10-20 06:24:25,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-10-20 06:24:25,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 632 [2021-10-20 06:24:25,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,285 INFO L185 QuantifierPusher]: treesize reduction 186, result has 69.9 percent of original size 431 [2021-10-20 06:24:25,328 INFO L180 QuantifierPusher]: treesize reduction 188, result has 71.6 percent of original size [2021-10-20 06:24:25,344 INFO L185 QuantifierPusher]: treesize reduction 12, result has 95.4 percent of original size 250 [2021-10-20 06:24:25,377 INFO L180 QuantifierPusher]: treesize reduction 40, result has 94.2 percent of original size [2021-10-20 06:24:25,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-10-20 06:24:25,407 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.8 percent of original size [2021-10-20 06:24:25,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-10-20 06:24:25,438 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.8 percent of original size [2021-10-20 06:24:25,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-10-20 06:24:25,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 632 [2021-10-20 06:24:25,508 INFO L180 QuantifierPusher]: treesize reduction 88, result has 88.1 percent of original size [2021-10-20 06:24:25,590 INFO L185 QuantifierPusher]: treesize reduction 192, result has 69.4 percent of original size 436 [2021-10-20 06:24:25,654 INFO L180 QuantifierPusher]: treesize reduction 405, result has 55.2 percent of original size [2021-10-20 06:24:25,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:25,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:25,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:25,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:25,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:25,849 INFO L180 QuantifierPusher]: treesize reduction 16, result has 97.6 percent of original size [2021-10-20 06:24:25,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:25,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-10-20 06:24:25,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:25,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-10-20 06:24:25,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:25,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:25,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-10-20 06:24:25,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-10-20 06:24:25,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:25,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:25,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 322 [2021-10-20 06:24:25,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 494 [2021-10-20 06:24:25,997 INFO L180 QuantifierPusher]: treesize reduction 509, result has 0.2 percent of original size [2021-10-20 06:24:25,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:26,014 INFO L180 QuantifierPusher]: treesize reduction 513, result has 0.2 percent of original size [2021-10-20 06:24:26,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:26,025 INFO L180 QuantifierPusher]: treesize reduction 513, result has 0.2 percent of original size [2021-10-20 06:24:26,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:26,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,298 INFO L180 QuantifierPusher]: treesize reduction 89, result has 62.0 percent of original size [2021-10-20 06:24:26,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-10-20 06:24:26,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-10-20 06:24:26,323 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.3 percent of original size [2021-10-20 06:24:26,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-10-20 06:24:26,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-10-20 06:24:26,346 INFO L180 QuantifierPusher]: treesize reduction 93, result has 60.9 percent of original size [2021-10-20 06:24:26,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-10-20 06:24:26,354 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.8 percent of original size [2021-10-20 06:24:26,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-10-20 06:24:26,363 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.8 percent of original size [2021-10-20 06:24:26,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-10-20 06:24:26,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-10-20 06:24:26,384 INFO L180 QuantifierPusher]: treesize reduction 88, result has 63.2 percent of original size [2021-10-20 06:24:26,388 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.5 percent of original size 136 [2021-10-20 06:24:26,405 INFO L180 QuantifierPusher]: treesize reduction 224, result has 47.0 percent of original size [2021-10-20 06:24:26,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-10-20 06:24:26,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,501 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.9 percent of original size [2021-10-20 06:24:26,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-10-20 06:24:26,520 INFO L180 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size [2021-10-20 06:24:26,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:26,527 INFO L180 QuantifierPusher]: treesize reduction 161, result has 0.6 percent of original size [2021-10-20 06:24:26,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:26,532 INFO L180 QuantifierPusher]: treesize reduction 161, result has 0.6 percent of original size [2021-10-20 06:24:26,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:26,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:26,780 INFO L180 QuantifierPusher]: treesize reduction 125, result has 70.3 percent of original size [2021-10-20 06:24:26,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-10-20 06:24:26,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-10-20 06:24:26,805 INFO L180 QuantifierPusher]: treesize reduction 8, result has 97.3 percent of original size [2021-10-20 06:24:26,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:26,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-10-20 06:24:26,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 273 [2021-10-20 06:24:26,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,852 INFO L185 QuantifierPusher]: treesize reduction 24, result has 87.4 percent of original size 166 [2021-10-20 06:24:26,870 INFO L180 QuantifierPusher]: treesize reduction 129, result has 69.6 percent of original size [2021-10-20 06:24:26,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-10-20 06:24:26,882 INFO L180 QuantifierPusher]: treesize reduction 8, result has 97.4 percent of original size [2021-10-20 06:24:26,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-10-20 06:24:26,894 INFO L180 QuantifierPusher]: treesize reduction 8, result has 97.4 percent of original size [2021-10-20 06:24:26,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-10-20 06:24:26,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-10-20 06:24:26,922 INFO L180 QuantifierPusher]: treesize reduction 88, result has 77.4 percent of original size [2021-10-20 06:24:26,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:26,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:26,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-10-20 06:24:26,945 INFO L185 QuantifierPusher]: treesize reduction 11, result has 96.2 percent of original size 281 [2021-10-20 06:24:26,963 INFO L180 QuantifierPusher]: treesize reduction 224, result has 60.6 percent of original size [2021-10-20 06:24:26,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-20 06:24:26,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,077 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.7 percent of original size [2021-10-20 06:24:27,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-10-20 06:24:27,094 INFO L180 QuantifierPusher]: treesize reduction 154, result has 0.6 percent of original size [2021-10-20 06:24:27,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,100 INFO L180 QuantifierPusher]: treesize reduction 158, result has 0.6 percent of original size [2021-10-20 06:24:27,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,105 INFO L180 QuantifierPusher]: treesize reduction 158, result has 0.6 percent of original size [2021-10-20 06:24:27,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,269 INFO L180 QuantifierPusher]: treesize reduction 83, result has 63.1 percent of original size [2021-10-20 06:24:27,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:27,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-10-20 06:24:27,287 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.2 percent of original size [2021-10-20 06:24:27,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-20 06:24:27,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:27,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-20 06:24:27,330 INFO L180 QuantifierPusher]: treesize reduction 87, result has 62.0 percent of original size [2021-10-20 06:24:27,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,337 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-10-20 06:24:27,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,345 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-10-20 06:24:27,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:27,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-10-20 06:24:27,363 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.7 percent of original size [2021-10-20 06:24:27,367 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.4 percent of original size 133 [2021-10-20 06:24:27,380 INFO L180 QuantifierPusher]: treesize reduction 224, result has 46.7 percent of original size [2021-10-20 06:24:27,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-10-20 06:24:27,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,465 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.5 percent of original size [2021-10-20 06:24:27,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-10-20 06:24:27,484 INFO L180 QuantifierPusher]: treesize reduction 151, result has 0.7 percent of original size [2021-10-20 06:24:27,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,490 INFO L180 QuantifierPusher]: treesize reduction 155, result has 0.6 percent of original size [2021-10-20 06:24:27,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,494 INFO L180 QuantifierPusher]: treesize reduction 155, result has 0.6 percent of original size [2021-10-20 06:24:27,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,556 INFO L180 QuantifierPusher]: treesize reduction 83, result has 63.1 percent of original size [2021-10-20 06:24:27,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:27,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-10-20 06:24:27,574 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.2 percent of original size [2021-10-20 06:24:27,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-20 06:24:27,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:27,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-20 06:24:27,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,647 INFO L180 QuantifierPusher]: treesize reduction 87, result has 62.0 percent of original size [2021-10-20 06:24:27,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,657 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-10-20 06:24:27,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,668 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-10-20 06:24:27,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:27,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:27,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-10-20 06:24:27,691 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.7 percent of original size [2021-10-20 06:24:27,695 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.4 percent of original size 133 [2021-10-20 06:24:27,712 INFO L180 QuantifierPusher]: treesize reduction 224, result has 46.7 percent of original size [2021-10-20 06:24:27,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-10-20 06:24:27,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,842 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.5 percent of original size [2021-10-20 06:24:27,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-10-20 06:24:27,856 INFO L180 QuantifierPusher]: treesize reduction 151, result has 0.7 percent of original size [2021-10-20 06:24:27,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:27,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:27,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,039 INFO L180 QuantifierPusher]: treesize reduction 155, result has 0.6 percent of original size [2021-10-20 06:24:28,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:28,049 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-10-20 06:24:28,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-10-20 06:24:28,078 INFO L180 QuantifierPusher]: treesize reduction 29, result has 94.3 percent of original size [2021-10-20 06:24:28,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-10-20 06:24:28,110 INFO L180 QuantifierPusher]: treesize reduction 104, result has 83.1 percent of original size [2021-10-20 06:24:28,132 INFO L185 QuantifierPusher]: treesize reduction 85, result has 72.0 percent of original size 219 [2021-10-20 06:24:28,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,305 INFO L180 QuantifierPusher]: treesize reduction 85, result has 79.0 percent of original size [2021-10-20 06:24:28,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-10-20 06:24:28,329 INFO L180 QuantifierPusher]: treesize reduction 247, result has 0.4 percent of original size [2021-10-20 06:24:28,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:24:28,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:28,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 551 [2021-10-20 06:24:28,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:28,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:28,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:28,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:24:28,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:28,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-10-20 06:24:28,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 734 [2021-10-20 06:24:28,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 741 [2021-10-20 06:24:28,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:28,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-10-20 06:24:28,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:28,912 INFO L180 QuantifierPusher]: treesize reduction 91, result has 60.9 percent of original size [2021-10-20 06:24:28,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-10-20 06:24:28,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:24:28,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-10-20 06:24:28,931 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.2 percent of original size [2021-10-20 06:24:28,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-20 06:24:28,940 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 06:24:38,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 06:24:38,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-20 06:24:38,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2021-10-20 06:24:38,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872550623] [2021-10-20 06:24:38,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-20 06:24:38,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:24:38,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-20 06:24:38,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2021-10-20 06:24:38,037 INFO L87 Difference]: Start difference. First operand 140 states and 198 transitions. Second operand has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:24:38,278 INFO L93 Difference]: Finished difference Result 162 states and 230 transitions. [2021-10-20 06:24:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-20 06:24:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-20 06:24:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:24:38,279 INFO L225 Difference]: With dead ends: 162 [2021-10-20 06:24:38,279 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:24:38,281 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 9361.4ms TimeCoverageRelationStatistics Valid=317, Invalid=1939, Unknown=0, NotChecked=0, Total=2256 [2021-10-20 06:24:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:24:38,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:24:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:24:38,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-10-20 06:24:38,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:24:38,282 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:24:38,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:24:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:24:38,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:24:38,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:24:38,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:24:38,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:24:38,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:24:38,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:38,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:38,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:38,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:24:38,680 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 434) no Hoare annotation was computed. [2021-10-20 06:24:38,680 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 302) no Hoare annotation was computed. [2021-10-20 06:24:38,680 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 170) no Hoare annotation was computed. [2021-10-20 06:24:38,680 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 534) no Hoare annotation was computed. [2021-10-20 06:24:38,680 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 402) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 502) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 60) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L42(lines 42 57) no Hoare annotation was computed. [2021-10-20 06:24:38,681 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 157) no Hoare annotation was computed. [2021-10-20 06:24:38,682 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 257) no Hoare annotation was computed. [2021-10-20 06:24:38,682 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 125) no Hoare annotation was computed. [2021-10-20 06:24:38,682 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-10-20 06:24:38,682 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 357) no Hoare annotation was computed. [2021-10-20 06:24:38,682 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 225) no Hoare annotation was computed. [2021-10-20 06:24:38,682 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 155) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 93) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 457) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 255) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 193) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 123) no Hoare annotation was computed. [2021-10-20 06:24:38,683 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 557) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L410(lines 410 425) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 293) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 223) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 91) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 525) no Hoare annotation was computed. [2021-10-20 06:24:38,684 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 455) no Hoare annotation was computed. [2021-10-20 06:24:38,685 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 393) no Hoare annotation was computed. [2021-10-20 06:24:38,685 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 323) no Hoare annotation was computed. [2021-10-20 06:24:38,685 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-10-20 06:24:38,685 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 50) no Hoare annotation was computed. [2021-10-20 06:24:38,685 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 555) no Hoare annotation was computed. [2021-10-20 06:24:38,685 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 493) no Hoare annotation was computed. [2021-10-20 06:24:38,686 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-20 06:24:38,686 INFO L857 garLoopResultBuilder]: For program point L280(lines 280 291) no Hoare annotation was computed. [2021-10-20 06:24:38,686 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 150) no Hoare annotation was computed. [2021-10-20 06:24:38,686 INFO L860 garLoopResultBuilder]: At program point L16(lines 16 568) the Hoare annotation is: true [2021-10-20 06:24:38,686 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 523) no Hoare annotation was computed. [2021-10-20 06:24:38,686 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 391) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 250) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 118) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 491) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 350) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 218) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 86) no Hoare annotation was computed. [2021-10-20 06:24:38,687 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 450) no Hoare annotation was computed. [2021-10-20 06:24:38,688 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2021-10-20 06:24:38,688 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 186) no Hoare annotation was computed. [2021-10-20 06:24:38,688 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 550) no Hoare annotation was computed. [2021-10-20 06:24:38,688 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2021-10-20 06:24:38,688 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:24:38,688 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 286) no Hoare annotation was computed. [2021-10-20 06:24:38,689 INFO L853 garLoopResultBuilder]: At program point L549(lines 16 568) the Hoare annotation is: false [2021-10-20 06:24:38,689 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 518) no Hoare annotation was computed. [2021-10-20 06:24:38,689 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 386) no Hoare annotation was computed. [2021-10-20 06:24:38,689 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2021-10-20 06:24:38,689 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:24:38,689 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 563) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_buffer_empty~0 0))) (or (and (<= 0 (+ ULTIMATE.start_main_~P8~0 2147483648)) (<= 5 ULTIMATE.start_main_~q~0) .cse0 (<= ULTIMATE.start_main_~this_expect~0 (+ 2 (* 2 (div (+ (- 2) ULTIMATE.start_main_~this_expect~0) 2)))) (<= ULTIMATE.start_main_~P8~0 2147483647)) (and .cse0 (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~this_expect~0 0)))) [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 563) no Hoare annotation was computed. [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 141) no Hoare annotation was computed. [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 241) no Hoare annotation was computed. [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 109) no Hoare annotation was computed. [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 160) no Hoare annotation was computed. [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 341) no Hoare annotation was computed. [2021-10-20 06:24:38,690 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 209) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 260) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 139) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 77) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 441) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 309) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 360) no Hoare annotation was computed. [2021-10-20 06:24:38,691 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 239) no Hoare annotation was computed. [2021-10-20 06:24:38,692 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 177) no Hoare annotation was computed. [2021-10-20 06:24:38,692 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 107) no Hoare annotation was computed. [2021-10-20 06:24:38,692 INFO L853 garLoopResultBuilder]: At program point L559(lines 26 563) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~this_buffer_empty~0 1)) (.cse0 (<= ULTIMATE.start_main_~this_expect~0 (+ (* 2 (div (+ (- 1) ULTIMATE.start_main_~this_expect~0) 2)) 1))) (.cse1 (<= 0 (+ ULTIMATE.start_main_~P8~0 2147483648))) (.cse4 (<= ULTIMATE.start_main_~this_expect~0 (+ 2 (* 2 (div (+ (- 2) ULTIMATE.start_main_~this_expect~0) 2))))) (.cse3 (<= ULTIMATE.start_main_~P8~0 2147483647)) (.cse5 (= ULTIMATE.start_main_~this_buffer_empty~0 0))) (or (and .cse0 (= ULTIMATE.start_main_~q~0 4) .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3 (= ULTIMATE.start_main_~q~0 1)) (and .cse0 .cse1 .cse5 .cse3 (= ULTIMATE.start_main_~q~0 3)) (and .cse1 (<= 5 ULTIMATE.start_main_~q~0) .cse5 .cse4 .cse3) (and .cse5 (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~this_expect~0 0)))) [2021-10-20 06:24:38,692 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 541) no Hoare annotation was computed. [2021-10-20 06:24:38,692 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 409) no Hoare annotation was computed. [2021-10-20 06:24:38,692 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 460) no Hoare annotation was computed. [2021-10-20 06:24:38,693 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 339) no Hoare annotation was computed. [2021-10-20 06:24:38,693 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 277) no Hoare annotation was computed. [2021-10-20 06:24:38,693 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 207) no Hoare annotation was computed. [2021-10-20 06:24:38,693 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 75) no Hoare annotation was computed. [2021-10-20 06:24:38,693 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 509) no Hoare annotation was computed. [2021-10-20 06:24:38,693 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 560) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 439) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 377) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 307) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 175) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 539) no Hoare annotation was computed. [2021-10-20 06:24:38,694 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 477) no Hoare annotation was computed. [2021-10-20 06:24:38,695 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 407) no Hoare annotation was computed. [2021-10-20 06:24:38,695 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 275) no Hoare annotation was computed. [2021-10-20 06:24:38,695 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 134) no Hoare annotation was computed. [2021-10-20 06:24:38,695 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 507) no Hoare annotation was computed. [2021-10-20 06:24:38,695 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 375) no Hoare annotation was computed. [2021-10-20 06:24:38,695 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-10-20 06:24:38,696 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 102) no Hoare annotation was computed. [2021-10-20 06:24:38,696 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 475) no Hoare annotation was computed. [2021-10-20 06:24:38,696 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2021-10-20 06:24:38,696 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2021-10-20 06:24:38,696 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 70) no Hoare annotation was computed. [2021-10-20 06:24:38,700 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:24:38,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:24:38 BoogieIcfgContainer [2021-10-20 06:24:38,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:24:38,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:24:38,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:24:38,718 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:24:38,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:24:08" (3/4) ... [2021-10-20 06:24:38,721 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:24:38,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-20 06:24:38,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-20 06:24:38,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:24:38,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:24:38,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:24:38,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:24:38,765 INFO L168 Benchmark]: Toolchain (without parser) took 32454.76 ms. Allocated memory was 98.6 MB in the beginning and 310.4 MB in the end (delta: 211.8 MB). Free memory was 76.4 MB in the beginning and 165.4 MB in the end (delta: -89.0 MB). Peak memory consumption was 122.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,766 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:24:38,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.18 ms. Allocated memory is still 98.6 MB. Free memory was 76.4 MB in the beginning and 65.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.47 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 60.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,766 INFO L168 Benchmark]: Boogie Preprocessor took 85.18 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 57.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,767 INFO L168 Benchmark]: RCFGBuilder took 1122.51 ms. Allocated memory is still 98.6 MB. Free memory was 57.6 MB in the beginning and 47.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,767 INFO L168 Benchmark]: TraceAbstraction took 30597.81 ms. Allocated memory was 98.6 MB in the beginning and 310.4 MB in the end (delta: 211.8 MB). Free memory was 47.1 MB in the beginning and 168.5 MB in the end (delta: -121.5 MB). Peak memory consumption was 92.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,767 INFO L168 Benchmark]: Witness Printer took 47.08 ms. Allocated memory is still 310.4 MB. Free memory was 168.5 MB in the beginning and 165.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:24:38,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.18 ms. Allocated memory is still 98.6 MB. Free memory was 76.4 MB in the beginning and 65.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.47 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 60.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.18 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 57.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1122.51 ms. Allocated memory is still 98.6 MB. Free memory was 57.6 MB in the beginning and 47.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30597.81 ms. Allocated memory was 98.6 MB in the beginning and 310.4 MB in the end (delta: 211.8 MB). Free memory was 47.1 MB in the beginning and 168.5 MB in the end (delta: -121.5 MB). Peak memory consumption was 92.1 MB. Max. memory is 16.1 GB. * Witness Printer took 47.08 ms. Allocated memory is still 310.4 MB. Free memory was 168.5 MB in the beginning and 165.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 567]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30514.3ms, OverallIterations: 12, TraceHistogramMax: 5, EmptinessCheckTime: 39.5ms, AutomataDifference: 1701.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 185.1ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1790 SDtfs, 2395 SDslu, 1982 SDs, 0 SdLazy, 467 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 854.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 16672.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=7, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 181.1ms AutomataMinimizationTime, 12 MinimizatonAttempts, 71 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 154 HoareAnnotationTreeSize, 4 FomulaSimplifications, 287 FormulaSimplificationTreeSizeReduction, 25.8ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 209 FormulaSimplificationTreeSizeReductionInter, 152.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 128.8ms SsaConstructionTime, 671.9ms SatisfiabilityAnalysisTime, 2592.4ms InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 2669 SizeOfPredicates, 11 NumberOfNonLiveVariables, 779 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 153/235 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((this_expect <= 2 * ((-1 + this_expect) / 2) + 1 && q == 4) && 0 <= P8 + 2147483648) && this_buffer_empty == 1) && P8 <= 2147483647) || ((((0 <= P8 + 2147483648 && this_buffer_empty == 1) && this_expect <= 2 + 2 * ((-2 + this_expect) / 2)) && P8 <= 2147483647) && q == 1)) || ((((this_expect <= 2 * ((-1 + this_expect) / 2) + 1 && 0 <= P8 + 2147483648) && this_buffer_empty == 0) && P8 <= 2147483647) && q == 3)) || ((((0 <= P8 + 2147483648 && 5 <= q) && this_buffer_empty == 0) && this_expect <= 2 + 2 * ((-2 + this_expect) / 2)) && P8 <= 2147483647)) || ((this_buffer_empty == 0 && q == 0) && this_expect == 0) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((0 <= P8 + 2147483648 && 5 <= q) && this_buffer_empty == 0) && this_expect <= 2 + 2 * ((-2 + this_expect) / 2)) && P8 <= 2147483647) || ((this_buffer_empty == 0 && q == 0) && this_expect == 0) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 06:24:38,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bd5b82-4fa4-46f1-a7b9-508f38657c93/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...