./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:08:09,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:08:09,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:08:09,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:08:09,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:08:09,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:08:09,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:08:09,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:08:09,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:08:09,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:08:09,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:08:09,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:08:09,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:08:09,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:08:09,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:08:09,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:08:09,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:08:09,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:08:09,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:08:09,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:08:09,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:08:09,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:08:09,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:08:09,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:08:09,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:08:09,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:08:09,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:08:09,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:08:09,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:08:09,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:08:09,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:08:09,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:08:09,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:08:09,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:08:09,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:08:09,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:08:09,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:08:09,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:08:09,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:08:09,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:08:09,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:08:09,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:08:10,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:08:10,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:08:10,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:08:10,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:08:10,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:08:10,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:08:10,023 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:08:10,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:08:10,024 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:08:10,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:08:10,025 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:08:10,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:08:10,026 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:08:10,026 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:08:10,027 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:08:10,027 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:08:10,027 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:08:10,028 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:08:10,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:08:10,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:08:10,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:08:10,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:08:10,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:08:10,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:08:10,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:08:10,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:08:10,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:08:10,031 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:08:10,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:08:10,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:08:10,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:08:10,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:08:10,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:08:10,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:08:10,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:08:10,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:08:10,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:08:10,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:08:10,034 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:08:10,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:08:10,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:08:10,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:08:10,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:08:10,035 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_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e [2021-11-21 01:08:10,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:08:10,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:08:10,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:08:10,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:08:10,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:08:10,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2021-11-21 01:08:10,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/data/83bd753fe/0aa9faf37ab74b08b57fb2ebcd605046/FLAGa01aaffd6 [2021-11-21 01:08:11,114 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:08:11,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2021-11-21 01:08:11,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/data/83bd753fe/0aa9faf37ab74b08b57fb2ebcd605046/FLAGa01aaffd6 [2021-11-21 01:08:11,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/data/83bd753fe/0aa9faf37ab74b08b57fb2ebcd605046 [2021-11-21 01:08:11,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:08:11,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:08:11,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:08:11,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:08:11,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:08:11,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:08:11" (1/1) ... [2021-11-21 01:08:11,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64796494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:11, skipping insertion in model container [2021-11-21 01:08:11,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:08:11" (1/1) ... [2021-11-21 01:08:11,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:08:11,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:08:11,907 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_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2021-11-21 01:08:12,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:08:12,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:08:12,161 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_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2021-11-21 01:08:12,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:08:12,377 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:08:12,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12 WrapperNode [2021-11-21 01:08:12,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:08:12,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:08:12,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:08:12,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:08:12,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,560 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-21 01:08:12,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:08:12,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:08:12,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:08:12,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:08:12,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:08:12,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:08:12,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:08:12,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:08:12,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (1/1) ... [2021-11-21 01:08:12,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:08:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:12,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:08:12,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:08:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:08:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:08:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:08:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:08:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:08:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:08:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:08:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:08:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:08:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:08:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:08:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:08:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:08:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:08:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:08:13,195 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:08:13,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:08:14,502 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:08:15,037 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:08:15,037 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 01:08:15,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:08:15 BoogieIcfgContainer [2021-11-21 01:08:15,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:08:15,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:08:15,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:08:15,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:08:15,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:08:11" (1/3) ... [2021-11-21 01:08:15,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d91eb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:08:15, skipping insertion in model container [2021-11-21 01:08:15,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:12" (2/3) ... [2021-11-21 01:08:15,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d91eb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:08:15, skipping insertion in model container [2021-11-21 01:08:15,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:08:15" (3/3) ... [2021-11-21 01:08:15,061 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-1.i [2021-11-21 01:08:15,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:08:15,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:08:15,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:08:15,168 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 [2021-11-21 01:08:15,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:08:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:08:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:08:15,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:15,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:08:15,200 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:15,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:15,206 INFO L85 PathProgramCache]: Analyzing trace with hash 894004, now seen corresponding path program 1 times [2021-11-21 01:08:15,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:15,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4751862] [2021-11-21 01:08:15,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:15,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:15,380 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:15,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632615699] [2021-11-21 01:08:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:15,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:15,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:15,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:15,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:08:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:15,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:08:15,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:15,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:15,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:15,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4751862] [2021-11-21 01:08:15,748 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:15,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632615699] [2021-11-21 01:08:15,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632615699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:15,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:15,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:08:15,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665276727] [2021-11-21 01:08:15,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:15,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:08:15,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:08:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:15,807 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:17,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:17,395 INFO L93 Difference]: Finished difference Result 368 states and 640 transitions. [2021-11-21 01:08:17,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:08:17,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-21 01:08:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:17,417 INFO L225 Difference]: With dead ends: 368 [2021-11-21 01:08:17,417 INFO L226 Difference]: Without dead ends: 233 [2021-11-21 01:08:17,422 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 [2021-11-21 01:08:17,426 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 102 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:17,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 308 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:08:17,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-21 01:08:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-21 01:08:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:08:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-21 01:08:17,515 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-21 01:08:17,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:17,515 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-21 01:08:17,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-21 01:08:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 01:08:17,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:17,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:17,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:08:17,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:08:17,721 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1485228930, now seen corresponding path program 1 times [2021-11-21 01:08:17,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:17,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682631850] [2021-11-21 01:08:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:17,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:17,752 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:17,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30872698] [2021-11-21 01:08:17,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:17,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:17,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:17,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:08:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:18,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:08:18,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:18,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:18,235 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:18,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682631850] [2021-11-21 01:08:18,235 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:18,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30872698] [2021-11-21 01:08:18,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30872698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:18,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:18,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:18,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531388291] [2021-11-21 01:08:18,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:18,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:08:18,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:18,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:08:18,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:08:18,243 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:21,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:08:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:22,386 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-21 01:08:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:08:22,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-21 01:08:22,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:22,399 INFO L225 Difference]: With dead ends: 233 [2021-11-21 01:08:22,399 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 01:08:22,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:08:22,402 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 59 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:22,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 447 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:08:22,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 01:08:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-21 01:08:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:08:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-21 01:08:22,436 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-21 01:08:22,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:22,437 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-21 01:08:22,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-21 01:08:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 01:08:22,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:22,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:22,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:08:22,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:22,672 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:22,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:22,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1202544191, now seen corresponding path program 1 times [2021-11-21 01:08:22,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:22,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466256315] [2021-11-21 01:08:22,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:22,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:22,701 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:22,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863299249] [2021-11-21 01:08:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:22,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:22,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:22,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:08:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:22,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:08:22,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:23,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:23,143 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:23,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466256315] [2021-11-21 01:08:23,143 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:23,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863299249] [2021-11-21 01:08:23,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863299249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:23,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:23,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:23,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637034763] [2021-11-21 01:08:23,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:23,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:08:23,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:23,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:08:23,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:08:23,146 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:24,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:08:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:26,576 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-21 01:08:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:08:26,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-21 01:08:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:26,585 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:08:26,586 INFO L226 Difference]: Without dead ends: 229 [2021-11-21 01:08:26,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:08:26,588 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:26,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 01:08:26,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-21 01:08:26,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-21 01:08:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:08:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-21 01:08:26,619 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-21 01:08:26,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:26,620 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-21 01:08:26,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-21 01:08:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:08:26,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:26,624 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:26,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:08:26,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:26,850 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:26,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:26,851 INFO L85 PathProgramCache]: Analyzing trace with hash 298795953, now seen corresponding path program 1 times [2021-11-21 01:08:26,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:26,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475559623] [2021-11-21 01:08:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:26,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:26,874 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:26,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830272864] [2021-11-21 01:08:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:26,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:26,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:26,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:26,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:08:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:27,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:08:27,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:27,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:27,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:27,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475559623] [2021-11-21 01:08:27,523 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:27,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830272864] [2021-11-21 01:08:27,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830272864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:27,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:27,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:27,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863171048] [2021-11-21 01:08:27,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:27,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:08:27,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:27,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:08:27,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:27,533 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:28,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:28,767 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-21 01:08:28,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:08:28,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-21 01:08:28,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:28,777 INFO L225 Difference]: With dead ends: 384 [2021-11-21 01:08:28,777 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 01:08:28,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:28,780 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:28,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:08:28,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 01:08:28,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 01:08:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:08:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-21 01:08:28,807 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-21 01:08:28,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:28,808 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-21 01:08:28,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-21 01:08:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:08:28,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:28,812 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:28,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:08:29,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:29,038 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:29,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:29,039 INFO L85 PathProgramCache]: Analyzing trace with hash 122534312, now seen corresponding path program 1 times [2021-11-21 01:08:29,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:29,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941880328] [2021-11-21 01:08:29,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:29,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:29,061 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:29,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [904940301] [2021-11-21 01:08:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:29,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:29,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:29,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:08:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:29,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:08:29,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:08:29,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:29,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:29,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941880328] [2021-11-21 01:08:29,582 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:29,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904940301] [2021-11-21 01:08:29,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904940301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:29,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:29,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:29,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638143360] [2021-11-21 01:08:29,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:29,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:08:29,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:29,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:08:29,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:29,586 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:08:31,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:31,797 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-21 01:08:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:08:31,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 01:08:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:31,811 INFO L225 Difference]: With dead ends: 426 [2021-11-21 01:08:31,811 INFO L226 Difference]: Without dead ends: 225 [2021-11-21 01:08:31,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:31,814 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:31,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 01:08:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-21 01:08:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-21 01:08:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:08:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-21 01:08:31,836 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-21 01:08:31,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:31,836 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-21 01:08:31,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:08:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-21 01:08:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:08:31,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:31,841 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:31,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-21 01:08:32,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:32,070 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:32,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1762473051, now seen corresponding path program 1 times [2021-11-21 01:08:32,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:32,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006695433] [2021-11-21 01:08:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:32,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:32,109 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:32,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254358678] [2021-11-21 01:08:32,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:32,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:32,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:08:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:35,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:08:35,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:08:35,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:35,607 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:35,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006695433] [2021-11-21 01:08:35,608 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:35,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254358678] [2021-11-21 01:08:35,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254358678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:35,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:35,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:08:35,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666649740] [2021-11-21 01:08:35,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:35,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:08:35,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:35,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:08:35,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:08:35,613 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:08:40,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:08:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:40,292 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-21 01:08:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:08:40,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 01:08:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:40,314 INFO L225 Difference]: With dead ends: 432 [2021-11-21 01:08:40,314 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 01:08:40,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:08:40,316 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:40,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-21 01:08:40,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 01:08:40,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 01:08:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-21 01:08:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-21 01:08:40,351 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-21 01:08:40,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:40,351 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-21 01:08:40,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:08:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-21 01:08:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:08:40,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:40,356 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:40,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-21 01:08:40,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 01:08:40,578 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:08:40,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:40,579 INFO L85 PathProgramCache]: Analyzing trace with hash -211946721, now seen corresponding path program 1 times [2021-11-21 01:08:40,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:40,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38675498] [2021-11-21 01:08:40,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:40,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:40,599 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:40,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650156840] [2021-11-21 01:08:40,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:40,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:40,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:40,614 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:40,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ad9d39-90cd-4327-a16d-fcc923a0bb0f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:08:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:42,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:08:42,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:08:42,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:08:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:08:42,664 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:42,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38675498] [2021-11-21 01:08:42,664 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:42,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650156840] [2021-11-21 01:08:42,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650156840] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:08:42,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [733436912] [2021-11-21 01:08:42,695 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 01:08:42,695 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:08:42,702 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:08:42,708 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:08:42,708 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:08:43,234 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:08:43,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:08:43,292 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 15 treesize of output 1 [2021-11-21 01:08:43,307 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 15 treesize of output 1 [2021-11-21 01:08:43,343 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:08:43,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 01:08:43,415 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:08:43,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:08:43,615 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 19 treesize of output 1 [2021-11-21 01:08:43,635 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 19 treesize of output 1 [2021-11-21 01:08:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:08:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:08:45,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:08:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:08:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:08:45,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:08:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:08:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,894 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:08:45,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:08:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,953 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:08:45,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:08:46,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:08:46,670 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 11 treesize of output 7 [2021-11-21 01:08:46,677 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 11 treesize of output 7 [2021-11-21 01:08:46,687 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 13 treesize of output 9 [2021-11-21 01:08:46,747 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:08:46,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:08:46,778 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:08:46,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:08:46,806 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:08:46,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:08:46,943 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 14 treesize of output 10 [2021-11-21 01:08:46,957 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 [2021-11-21 01:08:46,967 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 14 treesize of output 10 [2021-11-21 01:08:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2021-11-21 01:08:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 68 treesize of output 26 [2021-11-21 01:08:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:08:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 68 treesize of output 26 [2021-11-21 01:08:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2021-11-21 01:08:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:08:59,075 WARN L227 SmtUtils]: Spent 11.24s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:08:59,076 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:08:59,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:08:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:10,442 WARN L227 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:09:10,443 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:09:10,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:09:22,788 WARN L227 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:09:22,789 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:09:22,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:09:24,190 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:09:24,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:09:25,037 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:09:25,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:09:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:26,752 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:09:26,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:09:26,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:27,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:27,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:27,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:28,284 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:09:28,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 01:09:28,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:28,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:28,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:28,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:29,050 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-21 01:09:29,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 817 treesize of output 369 [2021-11-21 01:09:29,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:30,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:30,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:30,531 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-21 01:09:30,695 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-21 01:09:30,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 817 treesize of output 415 [2021-11-21 01:09:31,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:31,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:31,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:31,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 796 treesize of output 366 [2021-11-21 01:09:32,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:33,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:33,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:33,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:33,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:33,121 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-21 01:09:33,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 817 treesize of output 369 [2021-11-21 01:09:34,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:34,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 815 treesize of output 365 [2021-11-21 01:09:34,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:35,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:35,023 INFO L244 Elim1Store]: Index analysis took 248 ms [2021-11-21 01:09:35,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1711 treesize of output 1257 [2021-11-21 01:09:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:35,979 INFO L244 Elim1Store]: Index analysis took 264 ms [2021-11-21 01:09:37,221 INFO L354 Elim1Store]: treesize reduction 947, result has 48.6 percent of original size [2021-11-21 01:09:37,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 826 treesize of output 1267 [2021-11-21 01:09:38,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:38,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:38,293 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-21 01:09:38,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:09:38,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 749 treesize of output 559 [2021-11-21 01:09:39,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:39,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:39,750 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-21 01:09:39,860 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:09:39,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 805 treesize of output 587 [2021-11-21 01:09:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:40,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:40,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 728 treesize of output 366 [2021-11-21 01:09:40,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:40,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:41,168 INFO L354 Elim1Store]: treesize reduction 1152, result has 0.1 percent of original size [2021-11-21 01:09:41,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 805 treesize of output 369 [2021-11-21 01:09:43,242 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:09:43,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1343 treesize of output 1351 [2021-11-21 01:09:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:44,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:09:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:44,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 01:09:45,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:45,398 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:09:45,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 01:09:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:46,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 01:09:52,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:52,710 INFO L190 IndexEqualityManager]: detected not equals via solver