./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs --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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:33:13,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:33:13,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:33:13,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:33:13,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:33:13,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:33:13,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:33:13,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:33:13,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:33:13,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:33:13,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:33:13,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:33:13,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:33:13,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:33:13,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:33:13,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:33:13,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:33:13,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:33:13,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:33:13,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:33:13,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:33:13,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:33:13,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:33:13,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:33:13,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:33:13,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:33:13,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:33:13,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:33:13,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:33:13,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:33:13,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:33:13,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:33:13,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:33:13,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:33:13,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:33:13,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:33:13,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:33:13,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:33:13,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:33:13,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:33:13,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:33:13,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 13:33:14,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:33:14,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:33:14,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:33:14,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:33:14,006 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:33:14,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:33:14,007 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:33:14,007 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:33:14,007 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:33:14,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:33:14,008 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:33:14,009 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:33:14,009 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:33:14,009 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:33:14,009 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:33:14,010 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:33:14,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:33:14,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:33:14,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:33:14,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:33:14,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:33:14,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:33:14,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:33:14,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:33:14,013 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:33:14,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:33:14,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:33:14,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:33:14,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:33:14,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:33:14,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:33:14,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:14,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:33:14,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:33:14,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:33:14,017 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:33:14,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:33:14,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:33:14,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:33:14,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:33:14,018 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_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2021-11-19 13:33:14,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:33:14,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:33:14,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:33:14,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:33:14,348 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:33:14,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-11-19 13:33:14,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/data/ee8a23056/cd34ec721b4e45c9868024264b435795/FLAGc441e9f12 [2021-11-19 13:33:14,915 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:33:14,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-11-19 13:33:14,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/data/ee8a23056/cd34ec721b4e45c9868024264b435795/FLAGc441e9f12 [2021-11-19 13:33:15,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/data/ee8a23056/cd34ec721b4e45c9868024264b435795 [2021-11-19 13:33:15,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:33:15,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:33:15,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:15,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:33:15,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:33:15,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b53cc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15, skipping insertion in model container [2021-11-19 13:33:15,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:33:15,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:33:15,443 WARN L230 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_8c261e85-7598-4e7e-a3f4-a227465a7a47/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-11-19 13:33:15,499 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:15,507 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:33:15,519 WARN L230 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_8c261e85-7598-4e7e-a3f4-a227465a7a47/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-11-19 13:33:15,534 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:15,548 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:33:15,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15 WrapperNode [2021-11-19 13:33:15,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:15,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:15,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:33:15,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:33:15,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,592 INFO L137 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 158 [2021-11-19 13:33:15,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:15,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:33:15,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:33:15,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:33:15,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:33:15,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:33:15,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:33:15,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:33:15,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (1/1) ... [2021-11-19 13:33:15,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:15,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:15,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:33:15,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:33:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:33:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:33:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:33:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:33:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:33:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:33:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:33:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 13:33:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 13:33:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:33:15,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:33:15,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:33:16,137 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:33:16,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:33:16,207 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-19 13:33:16,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:16 BoogieIcfgContainer [2021-11-19 13:33:16,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:33:16,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:33:16,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:33:16,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:33:16,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:33:15" (1/3) ... [2021-11-19 13:33:16,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cb70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:16, skipping insertion in model container [2021-11-19 13:33:16,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:15" (2/3) ... [2021-11-19 13:33:16,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cb70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:16, skipping insertion in model container [2021-11-19 13:33:16,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:16" (3/3) ... [2021-11-19 13:33:16,219 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2021-11-19 13:33:16,225 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:33:16,225 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:33:16,274 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:33:16,282 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:33:16,282 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:33:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.65) internal successors, (33), 21 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:33:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 13:33:16,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:16,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:16,306 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:16,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:16,312 INFO L85 PathProgramCache]: Analyzing trace with hash 793641047, now seen corresponding path program 1 times [2021-11-19 13:33:16,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:33:16,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871922590] [2021-11-19 13:33:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:16,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:33:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:16,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:33:16,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871922590] [2021-11-19 13:33:16,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871922590] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:16,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:16,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:33:16,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322872044] [2021-11-19 13:33:16,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:16,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:33:16,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:33:16,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:33:16,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:33:16,559 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.65) internal successors, (33), 21 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:16,738 INFO L93 Difference]: Finished difference Result 69 states and 113 transitions. [2021-11-19 13:33:16,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:33:16,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-19 13:33:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:16,759 INFO L225 Difference]: With dead ends: 69 [2021-11-19 13:33:16,759 INFO L226 Difference]: Without dead ends: 43 [2021-11-19 13:33:16,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:33:16,773 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 19 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:16,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 31 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-19 13:33:16,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 26. [2021-11-19 13:33:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:33:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 38 transitions. [2021-11-19 13:33:16,832 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 38 transitions. Word has length 8 [2021-11-19 13:33:16,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:16,832 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 38 transitions. [2021-11-19 13:33:16,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-19 13:33:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:33:16,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:16,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:16,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:33:16,837 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:16,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:16,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1354789231, now seen corresponding path program 1 times [2021-11-19 13:33:16,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:33:16,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717218883] [2021-11-19 13:33:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:16,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:33:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:16,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:33:16,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717218883] [2021-11-19 13:33:16,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717218883] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:16,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314384766] [2021-11-19 13:33:16,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:16,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:33:16,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:16,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:33:16,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 13:33:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:17,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:33:17,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:17,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:17,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314384766] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:33:17,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1207793360] [2021-11-19 13:33:17,214 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-19 13:33:17,228 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:33:17,233 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:33:17,239 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:33:17,247 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:33:17,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:17,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:17,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 13:33:17,316 INFO L446 ElimStorePlain]: Different costs {2=[|v_#length_14|], 7=[|v_#valid_29|]} [2021-11-19 13:33:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-19 13:33:17,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:17,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:17,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:33:17,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:17,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:17,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-19 13:33:17,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,421 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:75 [2021-11-19 13:33:17,430 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-11-19 13:33:17,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:33:17,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:17,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:17,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:17,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:33:17,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 13:33:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-19 13:33:17,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:17,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:17,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:17,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:91 [2021-11-19 13:33:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:17,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:17,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:33:17,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:17,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-19 13:33:17,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-19 13:33:17,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-19 13:33:17,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:17,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:17,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:17,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-19 13:33:17,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:17,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:17,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:17,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:33:17,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 13:33:17,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 13:33:17,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-19 13:33:17,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:17,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-19 13:33:17,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-19 13:33:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2021-11-19 13:33:17,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:17,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:17,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:17,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2021-11-19 13:33:17,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:17,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:17,868 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:17,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:17,939 INFO L180 QuantifierPusher]: treesize reduction 70, result has 75.4 percent of original size [2021-11-19 13:33:17,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-11-19 13:33:17,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:33:17,957 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:291, output treesize:225 [2021-11-19 13:33:17,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:17,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,042 INFO L180 QuantifierPusher]: treesize reduction 24, result has 69.2 percent of original size [2021-11-19 13:33:18,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:18,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:18,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:18,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:18,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:18,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:18,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:18,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:18,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:18,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:18,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:18,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:18,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:18,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:18,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:18,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:51 [2021-11-19 13:33:18,101 INFO L180 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-11-19 13:33:18,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:18,109 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:33:18,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1207793360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:18,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:33:18,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 7 [2021-11-19 13:33:18,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833199280] [2021-11-19 13:33:18,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:18,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:33:18,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:33:18,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:33:18,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:33:18,169 INFO L87 Difference]: Start difference. First operand 26 states and 38 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:18,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:18,253 INFO L93 Difference]: Finished difference Result 51 states and 75 transitions. [2021-11-19 13:33:18,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:18,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 13:33:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:18,255 INFO L225 Difference]: With dead ends: 51 [2021-11-19 13:33:18,255 INFO L226 Difference]: Without dead ends: 27 [2021-11-19 13:33:18,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:33:18,267 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:18,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 26 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-19 13:33:18,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2021-11-19 13:33:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:33:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-11-19 13:33:18,286 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 33 transitions. Word has length 9 [2021-11-19 13:33:18,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:18,287 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-11-19 13:33:18,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-19 13:33:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 13:33:18,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:18,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:18,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:18,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:33:18,504 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash 944602828, now seen corresponding path program 1 times [2021-11-19 13:33:18,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:33:18,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640384520] [2021-11-19 13:33:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:18,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:33:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:18,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:33:18,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640384520] [2021-11-19 13:33:18,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640384520] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:18,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496189473] [2021-11-19 13:33:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:18,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:33:18,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:18,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:33:18,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 13:33:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:18,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:33:18,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 13:33:18,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 13:33:18,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496189473] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:18,699 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:33:18,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-19 13:33:18,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588479530] [2021-11-19 13:33:18,699 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:18,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:33:18,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:33:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:33:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:33:18,701 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:18,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:18,785 INFO L93 Difference]: Finished difference Result 53 states and 77 transitions. [2021-11-19 13:33:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:18,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-19 13:33:18,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:18,787 INFO L225 Difference]: With dead ends: 53 [2021-11-19 13:33:18,788 INFO L226 Difference]: Without dead ends: 34 [2021-11-19 13:33:18,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:33:18,790 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:18,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 40 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:18,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-19 13:33:18,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-19 13:33:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 29 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:33:18,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-11-19 13:33:18,800 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 14 [2021-11-19 13:33:18,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:18,800 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-11-19 13:33:18,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-11-19 13:33:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-19 13:33:18,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:18,802 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:18,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:19,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-19 13:33:19,018 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:19,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:19,018 INFO L85 PathProgramCache]: Analyzing trace with hash 967084652, now seen corresponding path program 1 times [2021-11-19 13:33:19,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:33:19,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694269243] [2021-11-19 13:33:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:19,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:33:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 13:33:19,060 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:33:19,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694269243] [2021-11-19 13:33:19,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694269243] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:19,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423958944] [2021-11-19 13:33:19,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:19,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:33:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:19,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:33:19,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 13:33:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:19,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:33:19,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 13:33:19,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 13:33:19,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423958944] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:33:19,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [380123260] [2021-11-19 13:33:19,248 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-19 13:33:19,248 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:33:19,249 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:33:19,249 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:33:19,249 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:33:19,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:19,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:19,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 13:33:19,269 INFO L446 ElimStorePlain]: Different costs {2=[|v_#length_17|], 7=[|v_#valid_32|]} [2021-11-19 13:33:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-19 13:33:19,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:19,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:19,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:33:19,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:19,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:19,299 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-19 13:33:19,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,306 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:75 [2021-11-19 13:33:19,309 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-11-19 13:33:19,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:19,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-19 13:33:19,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:19,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:19,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-19 13:33:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2021-11-19 13:33:19,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:19,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:19,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-19 13:33:19,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:101, output treesize:103 [2021-11-19 13:33:19,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-19 13:33:19,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:19,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-19 13:33:19,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-19 13:33:19,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-19 13:33:19,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:19,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:19,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-19 13:33:19,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:19,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:19,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:19,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-19 13:33:19,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-19 13:33:19,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-19 13:33:19,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-11-19 13:33:19,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2021-11-19 13:33:19,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-19 13:33:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2021-11-19 13:33:19,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 13:33:19,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 13:33:19,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:19,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2021-11-19 13:33:19,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:19,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:19,595 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,627 INFO L180 QuantifierPusher]: treesize reduction 70, result has 76.2 percent of original size [2021-11-19 13:33:19,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-19 13:33:19,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:33:19,637 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:301, output treesize:235 [2021-11-19 13:33:19,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,688 INFO L180 QuantifierPusher]: treesize reduction 24, result has 69.2 percent of original size [2021-11-19 13:33:19,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:19,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:19,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:19,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:19,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:19,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:19,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:19,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,721 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:51 [2021-11-19 13:33:19,728 INFO L180 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-11-19 13:33:19,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:19,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:33:19,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:19,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 13:33:19,742 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_33|]} [2021-11-19 13:33:19,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:33:19,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:19,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:19,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-19 13:33:19,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:19,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:19,771 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 13:33:19,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,797 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:49 [2021-11-19 13:33:19,803 INFO L180 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-11-19 13:33:19,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:19,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:19,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-19 13:33:19,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:19,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:19,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:19,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-19 13:33:19,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:19,851 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:76 [2021-11-19 13:33:19,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:19,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:19,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:19,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-19 13:33:19,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-19 13:33:19,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 13:33:19,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:19,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:19,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:19,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:19,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-19 13:33:19,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:19,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:19,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:19,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-19 13:33:19,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:19,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:19,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-19 13:33:19,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-19 13:33:20,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:20,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:20,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:20,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:20,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-11-19 13:33:20,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:20,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:20,026 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:20,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,052 INFO L180 QuantifierPusher]: treesize reduction 89, result has 65.6 percent of original size [2021-11-19 13:33:20,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-19 13:33:20,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:33:20,056 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:266, output treesize:181 [2021-11-19 13:33:20,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,099 INFO L180 QuantifierPusher]: treesize reduction 36, result has 63.6 percent of original size [2021-11-19 13:33:20,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:20,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:20,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:20,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-19 13:33:20,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:20,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:20,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:20,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:20,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:20,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-19 13:33:20,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:20,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:60 [2021-11-19 13:33:20,133 INFO L180 QuantifierPusher]: treesize reduction 40, result has 46.7 percent of original size [2021-11-19 13:33:20,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:20,144 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.1 percent of original size [2021-11-19 13:33:20,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 13:33:20,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-19 13:33:20,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 13:33:20,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:20,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:20,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:20,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 13:33:20,183 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:33:20,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [380123260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:20,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:33:20,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 12 [2021-11-19 13:33:20,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626440589] [2021-11-19 13:33:20,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:20,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:33:20,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:33:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:33:20,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=83, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:33:20,616 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:20,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:20,737 INFO L93 Difference]: Finished difference Result 59 states and 84 transitions. [2021-11-19 13:33:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:33:20,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-19 13:33:20,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:20,738 INFO L225 Difference]: With dead ends: 59 [2021-11-19 13:33:20,738 INFO L226 Difference]: Without dead ends: 33 [2021-11-19 13:33:20,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=83, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:33:20,740 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:20,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 59 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:20,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-19 13:33:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-11-19 13:33:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:33:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-11-19 13:33:20,750 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 16 [2021-11-19 13:33:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:20,750 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-11-19 13:33:20,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-19 13:33:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-19 13:33:20,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:20,752 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:20,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-19 13:33:20,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:33:20,973 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:20,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:20,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1692871537, now seen corresponding path program 1 times [2021-11-19 13:33:20,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:33:20,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005822023] [2021-11-19 13:33:20,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:20,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:33:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 13:33:21,020 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:33:21,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005822023] [2021-11-19 13:33:21,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005822023] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:21,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426932044] [2021-11-19 13:33:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:21,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:33:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:21,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:33:21,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 13:33:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:21,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:33:21,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 13:33:21,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 13:33:21,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426932044] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:33:21,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1203830056] [2021-11-19 13:33:21,231 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-19 13:33:21,231 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:33:21,232 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:33:21,232 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:33:21,233 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:33:21,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:21,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:21,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 13:33:21,264 INFO L446 ElimStorePlain]: Different costs {2=[|v_#length_20|], 7=[|v_#valid_35|]} [2021-11-19 13:33:21,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-19 13:33:21,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:33:21,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:21,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:21,307 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-19 13:33:21,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,321 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:75 [2021-11-19 13:33:21,325 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-11-19 13:33:21,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:21,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:21,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:33:21,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:33:21,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:33:21,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 13:33:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-19 13:33:21,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:21,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:21,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:21,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:91 [2021-11-19 13:33:21,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:21,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:33:21,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:21,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-19 13:33:21,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-19 13:33:21,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-19 13:33:21,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:21,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:33:21,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 13:33:21,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 13:33:21,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:21,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:21,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-19 13:33:21,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:21,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-19 13:33:21,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-19 13:33:21,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-19 13:33:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2021-11-19 13:33:21,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:21,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:21,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2021-11-19 13:33:21,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:21,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:21,553 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,579 INFO L180 QuantifierPusher]: treesize reduction 70, result has 75.4 percent of original size [2021-11-19 13:33:21,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-11-19 13:33:21,586 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:33:21,586 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:291, output treesize:225 [2021-11-19 13:33:21,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,631 INFO L180 QuantifierPusher]: treesize reduction 24, result has 69.2 percent of original size [2021-11-19 13:33:21,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:21,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:21,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:21,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:21,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,659 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:51 [2021-11-19 13:33:21,663 INFO L180 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-11-19 13:33:21,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:33:21,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:33:21,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 13:33:21,677 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 1=[|v_#valid_36|]} [2021-11-19 13:33:21,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:33:21,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:21,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:21,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-19 13:33:21,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:21,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:33:21,704 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 13:33:21,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,710 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:49 [2021-11-19 13:33:21,714 INFO L180 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-11-19 13:33:21,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:21,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-19 13:33:21,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:21,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-19 13:33:21,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,744 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:76 [2021-11-19 13:33:21,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:21,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-19 13:33:21,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-19 13:33:21,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 13:33:21,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:21,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:21,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:33:21,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:33:21,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-19 13:33:21,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:33:21,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-19 13:33:21,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-19 13:33:21,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-19 13:33:21,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:33:21,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-11-19 13:33:21,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:21,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:33:21,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:21,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,871 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,894 INFO L180 QuantifierPusher]: treesize reduction 89, result has 65.6 percent of original size [2021-11-19 13:33:21,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-19 13:33:21,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:33:21,899 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:266, output treesize:181 [2021-11-19 13:33:21,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,934 INFO L180 QuantifierPusher]: treesize reduction 36, result has 63.6 percent of original size [2021-11-19 13:33:21,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:33:21,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:33:21,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:33:21,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-19 13:33:21,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-19 13:33:21,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:33:21,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:21,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-19 13:33:21,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:33:21,961 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:60 [2021-11-19 13:33:21,966 INFO L180 QuantifierPusher]: treesize reduction 40, result has 46.7 percent of original size [2021-11-19 13:33:21,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:33:21,981 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.1 percent of original size [2021-11-19 13:33:21,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:21,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:21,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 13:33:22,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-19 13:33:22,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 13:33:22,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:22,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 13:33:22,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 13:33:22,025 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.0 percent of original size [2021-11-19 13:33:22,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 13:33:22,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,087 INFO L180 QuantifierPusher]: treesize reduction 12, result has 96.5 percent of original size [2021-11-19 13:33:22,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 13:33:22,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-19 13:33:22,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,126 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size 115 [2021-11-19 13:33:22,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,134 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-19 13:33:22,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-19 13:33:22,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 13:33:22,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:22,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-11-19 13:33:22,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-19 13:33:22,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-19 13:33:22,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-19 13:33:22,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 13:33:22,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:22,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-11-19 13:33:22,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-19 13:33:22,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-19 13:33:22,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-19 13:33:22,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 13:33:22,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:33:22,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 350 [2021-11-19 13:33:22,259 INFO L180 QuantifierPusher]: treesize reduction 78, result has 72.3 percent of original size [2021-11-19 13:33:22,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-19 13:33:22,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,280 INFO L185 QuantifierPusher]: treesize reduction 16, result has 87.2 percent of original size 109 [2021-11-19 13:33:22,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,329 INFO L180 QuantifierPusher]: treesize reduction 51, result has 78.5 percent of original size [2021-11-19 13:33:22,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:22,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-19 13:33:22,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-19 13:33:22,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-19 13:33:22,372 INFO L180 QuantifierPusher]: treesize reduction 51, result has 78.5 percent of original size [2021-11-19 13:33:22,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:33:22,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:33:22,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-19 13:33:22,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:33:22,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-19 13:33:22,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:33:22,436 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:33:23,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1203830056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:23,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:33:23,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3, 3] total 11 [2021-11-19 13:33:23,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831083350] [2021-11-19 13:33:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:23,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:33:23,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:33:23,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:33:23,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=71, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:33:23,206 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:23,294 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2021-11-19 13:33:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 13:33:23,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-19 13:33:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:23,297 INFO L225 Difference]: With dead ends: 35 [2021-11-19 13:33:23,297 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:33:23,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=61, Invalid=71, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:33:23,299 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:23,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:23,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:33:23,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:33:23,300 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) [2021-11-19 13:33:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:33:23,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-19 13:33:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:23,301 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:33:23,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:33:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:33:23,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:33:23,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 13:33:23,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:23,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-19 13:33:23,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 13:33:24,317 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 13:33:24,318 INFO L854 garLoopResultBuilder]: At program point L61-3(lines 61 65) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2021-11-19 13:33:24,318 INFO L854 garLoopResultBuilder]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2021-11-19 13:33:24,318 INFO L854 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: false [2021-11-19 13:33:24,318 INFO L858 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2021-11-19 13:33:24,318 INFO L854 garLoopResultBuilder]: At program point L55-3(lines 55 59) the Hoare annotation is: (and (<= |ULTIMATE.start_elem_exists_#in~size#1| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.base|) (<= 0 |ULTIMATE.start_elem_exists_~set#1.base|) (= |ULTIMATE.start_main_~#values~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_elem_exists_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~#values~0#1.base|) (<= |ULTIMATE.start_elem_exists_~size#1| 0) (= 0 |ULTIMATE.start_elem_exists_#res#1|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 0 |ULTIMATE.start_elem_exists_~set#1.offset|) (= |#NULL.offset| 0) (< |ULTIMATE.start_main_~v~0#1| 100000) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.offset|) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_elem_exists_~size#1|) (<= 0 |ULTIMATE.start_elem_exists_#in~size#1|) (<= |ULTIMATE.start_elem_exists_#in~set#1.offset| 0) (= |#NULL.base| 0) (<= |ULTIMATE.start_elem_exists_~set#1.offset| 0)) [2021-11-19 13:33:24,319 INFO L854 garLoopResultBuilder]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= |ULTIMATE.start_elem_exists_#in~size#1| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.base|) (<= 0 |ULTIMATE.start_elem_exists_~set#1.base|) (= |ULTIMATE.start_main_~#values~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_elem_exists_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~#values~0#1.base|) (<= |ULTIMATE.start_elem_exists_~size#1| 0) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 0 |ULTIMATE.start_elem_exists_~set#1.offset|) (= |#NULL.offset| 0) (< |ULTIMATE.start_main_~v~0#1| 100000) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.offset|) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_elem_exists_~size#1|) (<= 0 |ULTIMATE.start_elem_exists_#in~size#1|) (<= |ULTIMATE.start_elem_exists_#in~set#1.offset| 0) (= |#NULL.base| 0) (<= |ULTIMATE.start_elem_exists_~set#1.offset| 0)) [2021-11-19 13:33:24,319 INFO L854 garLoopResultBuilder]: At program point L47-3(lines 47 50) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#values~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (<= 0 |ULTIMATE.start_main_~#values~0#1.base|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2021-11-19 13:33:24,319 INFO L854 garLoopResultBuilder]: At program point L39-3(lines 39 43) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2021-11-19 13:33:24,319 INFO L858 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2021-11-19 13:33:24,319 INFO L854 garLoopResultBuilder]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2021-11-19 13:33:24,319 INFO L854 garLoopResultBuilder]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2021-11-19 13:33:24,319 INFO L854 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: false [2021-11-19 13:33:24,319 INFO L858 garLoopResultBuilder]: For program point L57-1(line 57) no Hoare annotation was computed. [2021-11-19 13:33:24,320 INFO L854 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: false [2021-11-19 13:33:24,320 INFO L858 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2021-11-19 13:33:24,320 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 13:33:24,320 INFO L854 garLoopResultBuilder]: At program point L33-3(lines 33 36) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2021-11-19 13:33:24,320 INFO L854 garLoopResultBuilder]: At program point L25(lines 20 26) the Hoare annotation is: (and (<= |ULTIMATE.start_elem_exists_#in~size#1| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.base|) (<= 0 |ULTIMATE.start_elem_exists_~set#1.base|) (= |ULTIMATE.start_main_~#values~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0#1.base|) (= |ULTIMATE.start_elem_exists_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~#values~0#1.base|) (<= |ULTIMATE.start_elem_exists_~size#1| 0) (= 0 |ULTIMATE.start_elem_exists_#res#1|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 0 |ULTIMATE.start_elem_exists_~set#1.offset|) (= |#NULL.offset| 0) (< |ULTIMATE.start_main_~v~0#1| 100000) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.offset|) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_elem_exists_~size#1|) (<= 0 |ULTIMATE.start_elem_exists_#in~size#1|) (<= |ULTIMATE.start_elem_exists_#in~set#1.offset| 0) (= |#NULL.base| 0) (<= |ULTIMATE.start_elem_exists_~set#1.offset| 0)) [2021-11-19 13:33:24,321 INFO L854 garLoopResultBuilder]: At program point L51-3(lines 51 60) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#set~0#1.base|)) (.cse1 (<= 0 |ULTIMATE.start_main_~#values~0#1.base|)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (= |ULTIMATE.start_main_~x~0#1| 0)) (.cse4 (<= 0 |#StackHeapBarrier|)) (.cse5 (= |#NULL.base| 0))) (or (and (<= |ULTIMATE.start_elem_exists_#in~size#1| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.base|) (<= 0 |ULTIMATE.start_elem_exists_~set#1.base|) (= |ULTIMATE.start_main_~#values~0#1.offset| 0) .cse0 (= |ULTIMATE.start_elem_exists_~i~0#1| 0) .cse1 (<= |ULTIMATE.start_elem_exists_~size#1| 0) (= 0 |ULTIMATE.start_elem_exists_#res#1|) (= |ULTIMATE.start_main_~#set~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| 0) (<= 0 |ULTIMATE.start_elem_exists_~set#1.offset|) .cse2 (<= 0 |ULTIMATE.start_elem_exists_#in~set#1.offset|) (<= 0 |ULTIMATE.start_main_~v~0#1|) .cse3 .cse4 (<= 0 |ULTIMATE.start_elem_exists_~size#1|) (<= 0 |ULTIMATE.start_elem_exists_#in~size#1|) (<= |ULTIMATE.start_elem_exists_#in~set#1.offset| 0) .cse5 (<= |ULTIMATE.start_elem_exists_~set#1.offset| 0)) (and (<= 0 |ULTIMATE.start_main_~#values~0#1.offset|) .cse0 (<= |ULTIMATE.start_main_~#set~0#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1| 0) .cse1 (= |ULTIMATE.start_main_~v~0#1| 0) .cse2 (<= 0 |ULTIMATE.start_main_~#set~0#1.offset|) .cse3 (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~#values~0#1.offset| 0) .cse4 .cse5))) [2021-11-19 13:33:24,321 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 13) the Hoare annotation is: true [2021-11-19 13:33:24,321 INFO L858 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-11-19 13:33:24,321 INFO L858 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-11-19 13:33:24,321 INFO L858 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2021-11-19 13:33:24,321 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2021-11-19 13:33:24,321 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-11-19 13:33:24,326 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 13:33:24,328 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:33:24,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:33:24 BoogieIcfgContainer [2021-11-19 13:33:24,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:33:24,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:33:24,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:33:24,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:33:24,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:16" (3/4) ... [2021-11-19 13:33:24,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:33:24,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 13:33:24,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2021-11-19 13:33:24,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-19 13:33:24,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 13:33:24,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 13:33:24,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && 0 == \result) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0) || ((((((((((((0 <= values && 0 <= set) && set <= 0) && n <= 0) && 0 <= values) && v == 0) && #NULL == 0) && 0 <= set) && x == 0) && 0 <= n) && values <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2021-11-19 13:33:24,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && v < 100000) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0 [2021-11-19 13:33:24,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && 0 == \result) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && v < 100000) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0 [2021-11-19 13:33:24,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && 0 == \result) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && v < 100000) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0 [2021-11-19 13:33:24,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:33:24,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:33:24,423 INFO L158 Benchmark]: Toolchain (without parser) took 9157.67ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 88.8MB in the beginning and 73.9MB in the end (delta: 14.9MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2021-11-19 13:33:24,423 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:33:24,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.20ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 92.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:33:24,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.90ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:33:24,424 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 89.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:33:24,424 INFO L158 Benchmark]: RCFGBuilder took 583.27ms. Allocated memory is still 119.5MB. Free memory was 89.1MB in the beginning and 72.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 13:33:24,425 INFO L158 Benchmark]: TraceAbstraction took 8142.56ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 72.0MB in the beginning and 78.1MB in the end (delta: -6.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2021-11-19 13:33:24,425 INFO L158 Benchmark]: Witness Printer took 68.45ms. Allocated memory is still 176.2MB. Free memory was 78.1MB in the beginning and 73.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:33:24,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.20ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 92.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.90ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.96ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 89.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.27ms. Allocated memory is still 119.5MB. Free memory was 89.1MB in the beginning and 72.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8142.56ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 72.0MB in the beginning and 78.1MB in the end (delta: -6.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 68.45ms. Allocated memory is still 176.2MB. Free memory was 78.1MB in the beginning and 73.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: 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 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 63 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 135 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 27 PreInvPairs, 43 NumberOfFragments, 419 HoareAnnotationTreeSize, 27 FomulaSimplifications, 103 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 770 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 32/42 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: OVERALL_TIME: 3.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 22, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 47, TOOLS_POST_TIME: 2.3s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 111, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.5s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 2.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 251, DAG_COMPRESSION_RETAINED_NODES: 87, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((0 <= set && set == 0) && n == 0) && #NULL == 0) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && 0 == \result) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && v < 100000) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((((values == 0 && 0 <= set) && 0 <= values) && set == 0) && n == 0) && #NULL == 0) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && 0 == \result) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0) || ((((((((((((0 <= values && 0 <= set) && set <= 0) && n <= 0) && 0 <= values) && v == 0) && #NULL == 0) && 0 <= set) && x == 0) && 0 <= n) && values <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && 0 == \result) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && v < 100000) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((0 <= set && set == 0) && n == 0) && #NULL == 0) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((((((((((((((\old(size) <= 0 && 0 <= set) && 0 <= set) && values == 0) && 0 <= set) && i == 0) && 0 <= values) && size <= 0) && set == 0) && n == 0) && 0 <= set) && #NULL == 0) && v < 100000) && 0 <= set) && 0 <= v) && x == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && 0 <= \old(size)) && set <= 0) && #NULL == 0) && set <= 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((0 <= x && 0 <= set) && set == 0) && n == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-19 13:33:24,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c261e85-7598-4e7e-a3f4-a227465a7a47/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE