./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7 --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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:28:32,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:28:32,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:28:32,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:28:32,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:28:32,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:28:32,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:28:32,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:28:32,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:28:32,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:28:32,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:28:32,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:28:32,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:28:32,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:28:32,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:28:32,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:28:32,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:28:32,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:28:32,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:28:32,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:28:32,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:28:32,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:28:32,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:28:32,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:28:32,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:28:32,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:28:32,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:28:32,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:28:32,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:28:32,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:28:32,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:28:32,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:28:32,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:28:32,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:28:32,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:28:32,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:28:32,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:28:32,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:28:32,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:28:32,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:28:32,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:28:32,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-25 19:28:33,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:28:33,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:28:33,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:28:33,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:28:33,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:28:33,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:28:33,022 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:28:33,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:28:33,022 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:28:33,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:28:33,024 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:28:33,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:28:33,024 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:28:33,024 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:28:33,024 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:28:33,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:28:33,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:28:33,025 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:28:33,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:28:33,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:28:33,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:28:33,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:28:33,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:28:33,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:28:33,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:28:33,027 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 19:28:33,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:28:33,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:28:33,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:28:33,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:28:33,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:28:33,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:28:33,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:28:33,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:28:33,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:28:33,031 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:28:33,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:28:33,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:28:33,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:28:33,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:28:33,032 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_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-25 19:28:33,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:28:33,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:28:33,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:28:33,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:28:33,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:28:33,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-25 19:28:33,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/data/3a2eaa354/cc0fd92fe18041e281d428759ec3e2f5/FLAG5ca4713c3 [2021-11-25 19:28:34,029 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:28:34,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-25 19:28:34,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/data/3a2eaa354/cc0fd92fe18041e281d428759ec3e2f5/FLAG5ca4713c3 [2021-11-25 19:28:34,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/data/3a2eaa354/cc0fd92fe18041e281d428759ec3e2f5 [2021-11-25 19:28:34,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:28:34,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:28:34,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:28:34,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:28:34,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:28:34,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:28:34" (1/1) ... [2021-11-25 19:28:34,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41881189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:34, skipping insertion in model container [2021-11-25 19:28:34,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:28:34" (1/1) ... [2021-11-25 19:28:34,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:28:34,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:28:35,010 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_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-25 19:28:35,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:28:35,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:28:35,128 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_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-25 19:28:35,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:28:35,268 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:28:35,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35 WrapperNode [2021-11-25 19:28:35,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:28:35,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:28:35,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:28:35,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:28:35,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,355 INFO L137 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 390 [2021-11-25 19:28:35,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:28:35,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:28:35,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:28:35,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:28:35,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:28:35,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:28:35,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:28:35,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:28:35,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (1/1) ... [2021-11-25 19:28:35,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:28:35,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:28:35,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:28:35,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:28:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:28:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:28:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:28:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:28:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:28:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:28:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:28:35,986 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:28:35,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:28:36,372 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:28:36,546 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:28:36,546 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 19:28:36,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:28:36 BoogieIcfgContainer [2021-11-25 19:28:36,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:28:36,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:28:36,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:28:36,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:28:36,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:28:34" (1/3) ... [2021-11-25 19:28:36,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a4732c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:28:36, skipping insertion in model container [2021-11-25 19:28:36,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:28:35" (2/3) ... [2021-11-25 19:28:36,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a4732c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:28:36, skipping insertion in model container [2021-11-25 19:28:36,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:28:36" (3/3) ... [2021-11-25 19:28:36,558 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2021-11-25 19:28:36,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:28:36,567 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-25 19:28:36,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:28:36,619 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 [2021-11-25 19:28:36,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-25 19:28:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 82 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:28:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 19:28:36,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:28:36,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 19:28:36,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:28:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:28:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash 375112, now seen corresponding path program 1 times [2021-11-25 19:28:36,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:28:36,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110205839] [2021-11-25 19:28:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:28:36,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:28:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:28:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:28:37,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:28:37,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110205839] [2021-11-25 19:28:37,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110205839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:28:37,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:28:37,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 19:28:37,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164076534] [2021-11-25 19:28:37,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:28:37,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:28:37,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:28:37,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:28:37,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:28:37,173 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 82 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2021-11-25 19:28:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:28:37,302 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2021-11-25 19:28:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:28:37,305 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 [2021-11-25 19:28:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:28:37,316 INFO L225 Difference]: With dead ends: 171 [2021-11-25 19:28:37,316 INFO L226 Difference]: Without dead ends: 88 [2021-11-25 19:28:37,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:28:37,324 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:28:37,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 176 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:28:37,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-25 19:28:37,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-25 19:28:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.721311475409836) internal successors, (105), 84 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:28:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2021-11-25 19:28:37,400 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 3 [2021-11-25 19:28:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:28:37,400 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2021-11-25 19:28:37,401 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) [2021-11-25 19:28:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2021-11-25 19:28:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 19:28:37,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:28:37,402 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-11-25 19:28:37,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:28:37,404 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:28:37,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:28:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1709895768, now seen corresponding path program 1 times [2021-11-25 19:28:37,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:28:37,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206438726] [2021-11-25 19:28:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:28:37,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:28:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:28:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:28:37,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:28:37,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206438726] [2021-11-25 19:28:37,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206438726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:28:37,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:28:37,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:28:37,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451344183] [2021-11-25 19:28:37,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:28:37,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:28:37,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:28:37,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:28:37,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:28:37,558 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:28:37,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:28:37,648 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2021-11-25 19:28:37,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:28:37,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2021-11-25 19:28:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:28:37,653 INFO L225 Difference]: With dead ends: 88 [2021-11-25 19:28:37,654 INFO L226 Difference]: Without dead ends: 87 [2021-11-25 19:28:37,656 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 [2021-11-25 19:28:37,658 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 2 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:28:37,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 174 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:28:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-25 19:28:37,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-25 19:28:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 83 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:28:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2021-11-25 19:28:37,684 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 6 [2021-11-25 19:28:37,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:28:37,689 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2021-11-25 19:28:37,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:28:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2021-11-25 19:28:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 19:28:37,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:28:37,692 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2021-11-25 19:28:37,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:28:37,693 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:28:37,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:28:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1467161211, now seen corresponding path program 1 times [2021-11-25 19:28:37,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:28:37,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679969041] [2021-11-25 19:28:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:28:37,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:28:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:28:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:28:37,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:28:37,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679969041] [2021-11-25 19:28:37,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679969041] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:28:37,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551177300] [2021-11-25 19:28:37,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:28:37,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:28:37,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:28:37,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:28:37,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:28:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:28:37,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:28:37,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:28:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:28:38,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:28:38,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551177300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:28:38,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:28:38,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-11-25 19:28:38,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62948567] [2021-11-25 19:28:38,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:28:38,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:28:38,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:28:38,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:28:38,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:28:38,039 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:28:38,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:28:38,104 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2021-11-25 19:28:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:28:38,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-11-25 19:28:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:28:38,111 INFO L225 Difference]: With dead ends: 87 [2021-11-25 19:28:38,111 INFO L226 Difference]: Without dead ends: 86 [2021-11-25 19:28:38,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:28:38,115 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 95 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:28:38,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 91 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:28:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-25 19:28:38,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-11-25 19:28:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.7118644067796611) internal successors, (101), 80 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:28:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2021-11-25 19:28:38,136 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 7 [2021-11-25 19:28:38,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:28:38,137 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2021-11-25 19:28:38,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:28:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2021-11-25 19:28:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:28:38,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:28:38,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:28:38,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:28:38,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:28:38,362 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:28:38,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:28:38,363 INFO L85 PathProgramCache]: Analyzing trace with hash -831247020, now seen corresponding path program 1 times [2021-11-25 19:28:38,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:28:38,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945656748] [2021-11-25 19:28:38,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:28:38,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:28:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:28:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:28:38,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:28:38,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945656748] [2021-11-25 19:28:38,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945656748] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:28:38,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739350471] [2021-11-25 19:28:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:28:38,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:28:38,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:28:38,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:28:38,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:28:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:28:38,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:28:38,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:28:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:28:38,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:28:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:28:38,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739350471] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:28:38,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [9970231] [2021-11-25 19:28:38,715 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-25 19:28:38,715 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:28:38,720 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:28:38,726 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:28:38,727 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:28:38,867 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 19 treesize of output 1 [2021-11-25 19:28:39,082 INFO L354 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2021-11-25 19:28:39,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2021-11-25 19:28:39,129 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 19 treesize of output 1 [2021-11-25 19:28:39,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:28:39,692 INFO L354 Elim1Store]: treesize reduction 314, result has 44.4 percent of original size [2021-11-25 19:28:39,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 408 [2021-11-25 19:28:39,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-25 19:28:40,714 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:28:40,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 99 treesize of output 149 [2021-11-25 19:28:41,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:41,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2021-11-25 19:28:44,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:44,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:45,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:45,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 44 [2021-11-25 19:28:46,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:46,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:47,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:48,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:28:51,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:52,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:52,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:28:52,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:54,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:55,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:55,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:28:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:28:55,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:29:00,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:00,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:29:01,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:03,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:03,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:11,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:11,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:29:11,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:12,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:12,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:21,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:22,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:23,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:24,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:24,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:29:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:31,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:29:32,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:32,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:33,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:41,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:41,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:42,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:42,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:42,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:42,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:42,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:42,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:43,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:43,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:43,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 1840 treesize of output 1354 [2021-11-25 19:29:43,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:50,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:50,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:51,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:51,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:51,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:51,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:51,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:51,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:52,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:55,650 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:55,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:56,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:29:56,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:02,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:02,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:02,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:02,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:03,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 46 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 1846 treesize of output 1358 [2021-11-25 19:30:03,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:04,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:05,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:06,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:07,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:10,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:12,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:15,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:17,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:17,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:17,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:17,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:17,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:18,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:19,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:20,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:24,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:25,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:27,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:27,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:29,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:29,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:31,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:31,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:38,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:38,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:45,964 INFO L354 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2021-11-25 19:30:45,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2021-11-25 19:30:46,017 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,042 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:46,088 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:30:46,117 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,127 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:46,494 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,528 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,545 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:46,806 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:46,813 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,821 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,875 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:46,883 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:46,937 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:30:51,661 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:51,666 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:51,711 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:51,721 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:51,852 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:52,788 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:52,793 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:52,797 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:53,404 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:30:53,412 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:30:53,478 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-11-25 19:30:54,227 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6749 conjuctions. This might take some time... [2021-11-25 19:31:29,763 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6749 conjuctions. [2021-11-25 19:31:29,917 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:29,931 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:29,966 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:31:29,985 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:29,992 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:30,362 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:30,396 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:30,407 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:30,622 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:30,629 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:30,637 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:30,696 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:30,705 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:30,765 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:31:35,167 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:35,172 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:35,202 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:35,212 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:35,289 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:36,060 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:36,064 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:36,068 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:36,695 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:31:36,704 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:31:36,775 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-11-25 19:31:37,421 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6749 conjuctions. This might take some time... [2021-11-25 19:32:12,049 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6749 conjuctions. [2021-11-25 19:32:12,844 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 [2021-11-25 19:32:12,854 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 [2021-11-25 19:32:12,865 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 [2021-11-25 19:32:12,899 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 [2021-11-25 19:32:12,906 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 [2021-11-25 19:32:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:12,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-11-25 19:32:12,983 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 [2021-11-25 19:32:12,990 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 [2021-11-25 19:32:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:13,004 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:32:13,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 66 [2021-11-25 19:32:13,049 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 [2021-11-25 19:32:13,057 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 [2021-11-25 19:32:13,063 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 [2021-11-25 19:32:13,543 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:13,556 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:13,594 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:32:13,622 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:13,633 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:14,045 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:14,064 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:14,073 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:14,299 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:14,306 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:14,313 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:14,366 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:14,379 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:14,451 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:32:18,617 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:18,622 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:18,652 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:18,662 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:18,744 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:19,500 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:19,504 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:19,508 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:20,025 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:20,032 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:20,144 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6749 conjuctions. This might take some time... [2021-11-25 19:32:53,681 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6749 conjuctions. [2021-11-25 19:32:54,544 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:54,551 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:54,573 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:32:54,591 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:54,597 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:54,925 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:54,943 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:54,952 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:55,147 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:55,154 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:55,160 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:55,212 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:55,219 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:55,270 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-25 19:32:59,313 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:59,318 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:59,349 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:32:59,359 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:32:59,435 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:33:00,182 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:33:00,187 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:33:00,191 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:33:00,736 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:33:00,743 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:33:00,853 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6749 conjuctions. This might take some time... [2021-11-25 19:33:33,087 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6749 conjuctions. [2021-11-25 19:33:33,555 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 15 treesize of output 1 [2021-11-25 19:33:33,561 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 15 treesize of output 1 [2021-11-25 19:33:33,572 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 [2021-11-25 19:33:33,669 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 57 for LOIs [2021-11-25 19:33:33,692 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:33:34,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [9970231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:34,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:33:34,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 14 [2021-11-25 19:33:34,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409883798] [2021-11-25 19:33:34,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:34,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 19:33:34,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:34,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 19:33:34,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:33:34,283 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:34,486 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2021-11-25 19:33:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:33:34,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2021-11-25 19:33:34,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:34,488 INFO L225 Difference]: With dead ends: 86 [2021-11-25 19:33:34,488 INFO L226 Difference]: Without dead ends: 82 [2021-11-25 19:33:34,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:33:34,489 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 7 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:34,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 434 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 33 Unchecked, 0.2s Time] [2021-11-25 19:33:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-25 19:33:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-25 19:33:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 77 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2021-11-25 19:33:34,498 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 9 [2021-11-25 19:33:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:34,499 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2021-11-25 19:33:34,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2021-11-25 19:33:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 19:33:34,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:34,500 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:34,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:34,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:34,714 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:34,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:34,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1522548319, now seen corresponding path program 1 times [2021-11-25 19:33:34,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:34,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529943147] [2021-11-25 19:33:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:34,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:34,822 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:34,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529943147] [2021-11-25 19:33:34,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529943147] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:34,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284853551] [2021-11-25 19:33:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:34,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:34,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:34,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:34,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:33:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:35,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:33:35,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:33:35,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:33:35,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284853551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:35,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:33:35,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 19:33:35,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082674410] [2021-11-25 19:33:35,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:35,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:33:35,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:33:35,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:35,044 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:35,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:35,126 INFO L93 Difference]: Finished difference Result 149 states and 190 transitions. [2021-11-25 19:33:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:33:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-25 19:33:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:35,129 INFO L225 Difference]: With dead ends: 149 [2021-11-25 19:33:35,129 INFO L226 Difference]: Without dead ends: 148 [2021-11-25 19:33:35,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:35,130 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 82 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:35,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 161 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:33:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-25 19:33:35,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 87. [2021-11-25 19:33:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.646153846153846) internal successors, (107), 82 states have internal predecessors, (107), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2021-11-25 19:33:35,156 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 15 [2021-11-25 19:33:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:35,157 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2021-11-25 19:33:35,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2021-11-25 19:33:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 19:33:35,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:35,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:35,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:35,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:35,382 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:35,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:35,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1522537121, now seen corresponding path program 1 times [2021-11-25 19:33:35,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:35,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713025569] [2021-11-25 19:33:35,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:35,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:35,461 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:35,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713025569] [2021-11-25 19:33:35,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713025569] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:35,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685946356] [2021-11-25 19:33:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:35,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:35,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:35,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:35,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:33:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:35,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:33:35,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:33:35,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:33:35,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685946356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:35,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:33:35,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 19:33:35,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883505790] [2021-11-25 19:33:35,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:35,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:33:35,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:35,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:33:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:35,679 INFO L87 Difference]: Start difference. First operand 87 states and 111 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:35,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:35,732 INFO L93 Difference]: Finished difference Result 164 states and 213 transitions. [2021-11-25 19:33:35,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:33:35,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-25 19:33:35,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:35,733 INFO L225 Difference]: With dead ends: 164 [2021-11-25 19:33:35,734 INFO L226 Difference]: Without dead ends: 93 [2021-11-25 19:33:35,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:35,737 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:35,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 162 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:33:35,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-25 19:33:35,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-11-25 19:33:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.608695652173913) internal successors, (111), 86 states have internal predecessors, (111), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 115 transitions. [2021-11-25 19:33:35,758 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 115 transitions. Word has length 15 [2021-11-25 19:33:35,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:35,758 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 115 transitions. [2021-11-25 19:33:35,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2021-11-25 19:33:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 19:33:35,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:35,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:35,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:35,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 19:33:35,974 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash -35707464, now seen corresponding path program 1 times [2021-11-25 19:33:35,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:35,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358047123] [2021-11-25 19:33:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:35,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:36,070 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358047123] [2021-11-25 19:33:36,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358047123] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554402598] [2021-11-25 19:33:36,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:36,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:36,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:36,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 19:33:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:36,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:33:36,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:36,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:33:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:36,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554402598] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:33:36,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1719288804] [2021-11-25 19:33:36,313 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 19:33:36,313 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:33:36,313 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:33:36,314 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:33:36,314 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:33:36,354 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 19 treesize of output 1 [2021-11-25 19:33:36,363 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 19 treesize of output 1 [2021-11-25 19:33:36,522 INFO L354 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2021-11-25 19:33:36,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2021-11-25 19:33:36,754 INFO L354 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2021-11-25 19:33:36,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2021-11-25 19:33:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2021-11-25 19:33:36,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-25 19:33:36,822 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2021-11-25 19:33:36,823 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2021-11-25 19:33:36,836 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 [2021-11-25 19:33:36,842 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 [2021-11-25 19:33:36,850 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 [2021-11-25 19:33:36,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-11-25 19:33:36,891 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 [2021-11-25 19:33:36,904 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 [2021-11-25 19:33:36,949 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 [2021-11-25 19:33:36,954 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 [2021-11-25 19:33:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,966 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:33:36,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 66 [2021-11-25 19:33:37,001 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 [2021-11-25 19:33:37,010 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 [2021-11-25 19:33:37,017 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 [2021-11-25 19:33:37,123 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 15 treesize of output 1 [2021-11-25 19:33:37,127 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 15 treesize of output 1 [2021-11-25 19:33:37,138 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 [2021-11-25 19:33:37,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:33:37,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-25 19:33:37,343 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:33:37,344 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 21 [2021-11-25 19:33:37,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:37,357 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 40 treesize of output 16 [2021-11-25 19:33:37,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 19:33:37,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 19:33:37,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-25 19:33:37,402 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 57 for LOIs [2021-11-25 19:33:37,416 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:33:39,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1719288804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:39,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:33:39,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 3, 4] total 16 [2021-11-25 19:33:39,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484670815] [2021-11-25 19:33:39,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:39,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 19:33:39,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:39,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 19:33:39,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:33:39,088 INFO L87 Difference]: Start difference. First operand 91 states and 115 transitions. Second operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:40,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:40,436 INFO L93 Difference]: Finished difference Result 151 states and 192 transitions. [2021-11-25 19:33:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:33:40,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-25 19:33:40,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:40,437 INFO L225 Difference]: With dead ends: 151 [2021-11-25 19:33:40,437 INFO L226 Difference]: Without dead ends: 91 [2021-11-25 19:33:40,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:33:40,439 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 6 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 63 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:40,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 493 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 121 Invalid, 0 Unknown, 63 Unchecked, 0.3s Time] [2021-11-25 19:33:40,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-25 19:33:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-11-25 19:33:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.5942028985507246) internal successors, (110), 86 states have internal predecessors, (110), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 114 transitions. [2021-11-25 19:33:40,446 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 114 transitions. Word has length 16 [2021-11-25 19:33:40,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:40,446 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 114 transitions. [2021-11-25 19:33:40,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2021-11-25 19:33:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 19:33:40,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:40,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:40,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 19:33:40,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:40,647 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash -45989426, now seen corresponding path program 1 times [2021-11-25 19:33:40,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:40,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671122278] [2021-11-25 19:33:40,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:40,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:40,740 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:40,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671122278] [2021-11-25 19:33:40,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671122278] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:40,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732683794] [2021-11-25 19:33:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:40,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:40,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:40,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 19:33:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:40,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:33:40,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:33:40,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:33:40,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732683794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:40,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:33:40,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 19:33:40,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456791547] [2021-11-25 19:33:40,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:40,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:33:40,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:40,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:33:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:40,969 INFO L87 Difference]: Start difference. First operand 91 states and 114 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:41,008 INFO L93 Difference]: Finished difference Result 91 states and 114 transitions. [2021-11-25 19:33:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:33:41,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-25 19:33:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:41,010 INFO L225 Difference]: With dead ends: 91 [2021-11-25 19:33:41,010 INFO L226 Difference]: Without dead ends: 90 [2021-11-25 19:33:41,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:41,011 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 81 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:41,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 92 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:33:41,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-25 19:33:41,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-11-25 19:33:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 69 states have (on average 1.565217391304348) internal successors, (108), 85 states have internal predecessors, (108), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 112 transitions. [2021-11-25 19:33:41,020 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 112 transitions. Word has length 16 [2021-11-25 19:33:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:41,021 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 112 transitions. [2021-11-25 19:33:41,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-11-25 19:33:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 19:33:41,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:41,022 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:41,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:41,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:41,238 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:41,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:41,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1246163055, now seen corresponding path program 1 times [2021-11-25 19:33:41,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:41,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506732266] [2021-11-25 19:33:41,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:41,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:41,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:41,320 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:41,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506732266] [2021-11-25 19:33:41,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506732266] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:41,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440793706] [2021-11-25 19:33:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:41,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:41,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:41,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 19:33:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:41,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:33:41,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:41,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:33:41,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440793706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:41,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:33:41,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 19:33:41,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129923419] [2021-11-25 19:33:41,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:41,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:33:41,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:41,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:33:41,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:41,591 INFO L87 Difference]: Start difference. First operand 90 states and 112 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:41,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:41,645 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2021-11-25 19:33:41,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:33:41,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-25 19:33:41,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:41,647 INFO L225 Difference]: With dead ends: 90 [2021-11-25 19:33:41,647 INFO L226 Difference]: Without dead ends: 89 [2021-11-25 19:33:41,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:41,648 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:41,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 161 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:33:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-25 19:33:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-11-25 19:33:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 82 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2021-11-25 19:33:41,656 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 18 [2021-11-25 19:33:41,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:41,657 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2021-11-25 19:33:41,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2021-11-25 19:33:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 19:33:41,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:41,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:41,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:41,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:41,882 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:41,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash 23998183, now seen corresponding path program 1 times [2021-11-25 19:33:41,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:41,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760488172] [2021-11-25 19:33:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:41,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:33:41,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:41,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760488172] [2021-11-25 19:33:41,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760488172] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:41,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110665261] [2021-11-25 19:33:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:41,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:41,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:41,990 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:41,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 19:33:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:42,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:33:42,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:42,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:33:42,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110665261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:42,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:33:42,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 19:33:42,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907169527] [2021-11-25 19:33:42,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:42,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:33:42,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:42,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:33:42,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:42,267 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:42,317 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2021-11-25 19:33:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:33:42,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-11-25 19:33:42,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:42,318 INFO L225 Difference]: With dead ends: 87 [2021-11-25 19:33:42,318 INFO L226 Difference]: Without dead ends: 86 [2021-11-25 19:33:42,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:42,319 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 76 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:42,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 87 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:33:42,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-25 19:33:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-25 19:33:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 67 states have (on average 1.537313432835821) internal successors, (103), 81 states have internal predecessors, (103), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:42,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 107 transitions. [2021-11-25 19:33:42,326 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 107 transitions. Word has length 19 [2021-11-25 19:33:42,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:42,327 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 107 transitions. [2021-11-25 19:33:42,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2021-11-25 19:33:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 19:33:42,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:42,328 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] [2021-11-25 19:33:42,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:42,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:42,542 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:42,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:42,542 INFO L85 PathProgramCache]: Analyzing trace with hash 807036731, now seen corresponding path program 1 times [2021-11-25 19:33:42,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:42,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865255095] [2021-11-25 19:33:42,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:42,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:42,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:42,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865255095] [2021-11-25 19:33:42,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865255095] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:42,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815123306] [2021-11-25 19:33:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:42,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:42,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:42,613 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:42,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-25 19:33:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:42,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:33:42,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:42,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:33:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:42,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815123306] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:33:42,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1813080418] [2021-11-25 19:33:42,972 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2021-11-25 19:33:42,973 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:33:42,973 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:33:42,973 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:33:42,973 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:33:43,031 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 19 treesize of output 1 [2021-11-25 19:33:43,212 INFO L354 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2021-11-25 19:33:43,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2021-11-25 19:33:43,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2021-11-25 19:33:43,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2021-11-25 19:33:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:43,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2021-11-25 19:33:43,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-25 19:33:43,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2021-11-25 19:33:43,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2021-11-25 19:33:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2021-11-25 19:33:43,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2021-11-25 19:33:43,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2021-11-25 19:33:43,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 210 [2021-11-25 19:33:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:43,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2021-11-25 19:33:43,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2021-11-25 19:33:44,035 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 [2021-11-25 19:33:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,261 INFO L354 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2021-11-25 19:33:44,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 883 treesize of output 814 [2021-11-25 19:33:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 864 treesize of output 854 [2021-11-25 19:33:44,396 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 [2021-11-25 19:33:44,452 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 [2021-11-25 19:33:44,457 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 [2021-11-25 19:33:44,465 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 [2021-11-25 19:33:44,574 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 15 treesize of output 1 [2021-11-25 19:33:44,581 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 [2021-11-25 19:33:44,591 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 15 treesize of output 1 [2021-11-25 19:33:44,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:33:44,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-25 19:33:44,728 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 11 [2021-11-25 19:33:44,742 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 11 [2021-11-25 19:33:44,762 INFO L354 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2021-11-25 19:33:44,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-11-25 19:33:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-11-25 19:33:44,798 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:33:44,798 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 21 [2021-11-25 19:33:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2021-11-25 19:33:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:44,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2021-11-25 19:33:44,973 INFO L354 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2021-11-25 19:33:44,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 57 [2021-11-25 19:33:44,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,017 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:45,017 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 1 case distinctions, treesize of input 40 treesize of output 20 [2021-11-25 19:33:45,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,053 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:45,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2021-11-25 19:33:45,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2021-11-25 19:33:45,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-11-25 19:33:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,192 INFO L354 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2021-11-25 19:33:45,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2021-11-25 19:33:45,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,231 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-11-25 19:33:45,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2021-11-25 19:33:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,250 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2021-11-25 19:33:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 345 treesize of output 209 [2021-11-25 19:33:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,394 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 19:33:45,394 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 2 case distinctions, treesize of input 124 treesize of output 103 [2021-11-25 19:33:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2021-11-25 19:33:45,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,620 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-25 19:33:45,620 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 2 case distinctions, treesize of input 416 treesize of output 259 [2021-11-25 19:33:45,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,666 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:45,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2021-11-25 19:33:45,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 19:33:45,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,729 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-25 19:33:45,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2021-11-25 19:33:45,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-11-25 19:33:45,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,925 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-25 19:33:45,925 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 2 case distinctions, treesize of input 416 treesize of output 259 [2021-11-25 19:33:45,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:45,974 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:45,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2021-11-25 19:33:45,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:46,017 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-11-25 19:33:46,017 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 1 case distinctions, treesize of input 47 treesize of output 15 [2021-11-25 19:33:46,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-11-25 19:33:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:46,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2021-11-25 19:33:46,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 19:33:46,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:46,208 INFO L354 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2021-11-25 19:33:46,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2021-11-25 19:33:46,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:46,292 INFO L354 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2021-11-25 19:33:46,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2021-11-25 19:33:46,334 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-25 19:33:46,334 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 127 treesize of output 134 [2021-11-25 19:33:47,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,445 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-25 19:33:47,446 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 2 case distinctions, treesize of input 416 treesize of output 259 [2021-11-25 19:33:47,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:47,493 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:47,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2021-11-25 19:33:47,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-11-25 19:33:47,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:47,553 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-25 19:33:47,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2021-11-25 19:33:47,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 19:33:47,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,750 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-25 19:33:47,750 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 2 case distinctions, treesize of input 416 treesize of output 259 [2021-11-25 19:33:47,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:47,782 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:47,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2021-11-25 19:33:47,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:47,819 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-11-25 19:33:47,819 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 1 case distinctions, treesize of input 47 treesize of output 15 [2021-11-25 19:33:47,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 19:33:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:47,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2021-11-25 19:33:47,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-11-25 19:33:47,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,011 INFO L354 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2021-11-25 19:33:48,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2021-11-25 19:33:48,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,120 INFO L354 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2021-11-25 19:33:48,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2021-11-25 19:33:48,179 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-25 19:33:48,179 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 127 treesize of output 134 [2021-11-25 19:33:48,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,684 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-25 19:33:48,684 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 2 case distinctions, treesize of input 416 treesize of output 259 [2021-11-25 19:33:48,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:48,719 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:48,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2021-11-25 19:33:48,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,774 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-11-25 19:33:48,775 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 1 case distinctions, treesize of input 47 treesize of output 15 [2021-11-25 19:33:48,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:48,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2021-11-25 19:33:48,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 19:33:48,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-11-25 19:33:48,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:48,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:49,003 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-25 19:33:49,004 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 2 case distinctions, treesize of input 416 treesize of output 259 [2021-11-25 19:33:49,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:49,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:49,044 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:33:49,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2021-11-25 19:33:49,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-11-25 19:33:49,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:49,094 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-25 19:33:49,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2021-11-25 19:33:49,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 19:33:49,399 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2021-11-25 19:33:49,413 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:33:52,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1813080418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:52,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:33:52,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [4, 3, 4] total 23 [2021-11-25 19:33:52,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146360999] [2021-11-25 19:33:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:52,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-25 19:33:52,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:52,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-25 19:33:52,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:33:52,769 INFO L87 Difference]: Start difference. First operand 86 states and 107 transitions. Second operand has 18 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:54,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:54,736 INFO L93 Difference]: Finished difference Result 136 states and 171 transitions. [2021-11-25 19:33:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 19:33:54,737 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-25 19:33:54,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:54,738 INFO L225 Difference]: With dead ends: 136 [2021-11-25 19:33:54,738 INFO L226 Difference]: Without dead ends: 78 [2021-11-25 19:33:54,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:33:54,739 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 104 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:54,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 421 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 361 Invalid, 0 Unknown, 87 Unchecked, 0.6s Time] [2021-11-25 19:33:54,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-25 19:33:54,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2021-11-25 19:33:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 60 states have internal predecessors, (77), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:33:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2021-11-25 19:33:54,757 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 23 [2021-11-25 19:33:54,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:54,758 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2021-11-25 19:33:54,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:33:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2021-11-25 19:33:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 19:33:54,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:54,762 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] [2021-11-25 19:33:54,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-25 19:33:54,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:54,979 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2021-11-25 19:33:54,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:54,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1825085155, now seen corresponding path program 1 times [2021-11-25 19:33:54,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:54,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061977695] [2021-11-25 19:33:54,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:54,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:55,067 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:55,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061977695] [2021-11-25 19:33:55,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061977695] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:33:55,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553989223] [2021-11-25 19:33:55,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:55,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:33:55,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:55,068 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:33:55,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd878b0-40a3-4cc2-915d-da19ca0ccec9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-25 19:33:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:55,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:33:55,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:33:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:55,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:33:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:33:55,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553989223] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:33:55,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [965393364] [2021-11-25 19:33:55,439 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 19:33:55,439 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:33:55,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:33:55,439 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:33:55,440 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:33:55,591 INFO L354 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2021-11-25 19:33:55,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2021-11-25 19:33:55,619 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 19 treesize of output 1 [2021-11-25 19:33:55,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:33:56,086 INFO L354 Elim1Store]: treesize reduction 314, result has 44.4 percent of original size [2021-11-25 19:33:56,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 408 [2021-11-25 19:33:56,343 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:33:56,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 47 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 377 treesize of output 405 [2021-11-25 19:33:58,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:58,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:59,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 444 treesize of output 392 [2021-11-25 19:33:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:59,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 439 treesize of output 389 [2021-11-25 19:33:59,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:00,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:00,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:00,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 237 [2021-11-25 19:34:00,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:00,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:01,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:02,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:02,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:02,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:02,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:02,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:02,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:03,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,804 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:04,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:05,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:05,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:05,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:05,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:06,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:07,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:09,684 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:09,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:09,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:09,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2021-11-25 19:34:09,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:10,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:10,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:11,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:12,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:12,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:13,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:13,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:13,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:13,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:14,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:15,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:16,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:18,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:18,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:18,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:18,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:18,980 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:19,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:19,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:19,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:24,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:24,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:25,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:25,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:25,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:34:25,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:25,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:25,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:26,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:26,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:26,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:26,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:34:26,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:26,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:26,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:26,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:27,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:28,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:28,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:28,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:28,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:28,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:28,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:29,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:29,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:29,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:29,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:29,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:29,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-25 19:34:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:29,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:34:29,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:30,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:30,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:34:30,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:30,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:34:30,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:31,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:31,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:31,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2021-11-25 19:34:31,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:32,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:32,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:33,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:34,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:35,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:36,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:36,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:36,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:36,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:48,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,297 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:34:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:34:49,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:35:01,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:35:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:35:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:35:01,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 40 [2021-11-25 19:35:02,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:02,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:03,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:35:33,033 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 19 treesize of output 1 [2021-11-25 19:35:33,407 INFO L354 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2021-11-25 19:35:33,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2021-11-25 19:35:33,466 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:33,820 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:33,841 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:35:34,554 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:34,935 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:34,942 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:35,249 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:35:36,746 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:35:37,384 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:37,768 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7485 conjuctions. This might take some time... [2021-11-25 19:35:41,276 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 7485 conjuctions. [2021-11-25 19:35:41,359 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:41,744 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:35:43,617 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:35:43,651 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-11-25 19:35:45,927 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 15999 conjuctions. This might take some time... [2021-11-25 19:38:50,385 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 15999 conjuctions. [2021-11-25 19:38:50,609 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:50,969 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:50,989 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:38:51,633 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:51,959 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:51,965 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:52,252 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:38:53,686 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:38:54,322 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:54,662 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7485 conjuctions. This might take some time... [2021-11-25 19:38:58,255 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 7485 conjuctions. [2021-11-25 19:38:58,316 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:38:58,651 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:39:00,678 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:39:00,711 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-11-25 19:39:02,960 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 15999 conjuctions. This might take some time... [2021-11-25 19:42:00,606 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 15999 conjuctions. [2021-11-25 19:42:01,237 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 [2021-11-25 19:42:01,242 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 [2021-11-25 19:42:01,248 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 [2021-11-25 19:42:01,268 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 [2021-11-25 19:42:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:42:01,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-11-25 19:42:01,287 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 [2021-11-25 19:42:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:42:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:42:01,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:42:01,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:42:01,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 66 [2021-11-25 19:42:01,342 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 [2021-11-25 19:42:01,349 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 [2021-11-25 19:42:01,377 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 [2021-11-25 19:42:01,382 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 [2021-11-25 19:42:01,388 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 [2021-11-25 19:42:02,099 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:02,417 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:02,437 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:42:03,079 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:03,409 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:03,416 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:03,722 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:42:05,149 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:42:05,792 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:06,124 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7485 conjuctions. This might take some time... [2021-11-25 19:42:09,715 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 7485 conjuctions. [2021-11-25 19:42:09,776 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:10,111 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-25 19:42:11,862 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 19:42:12,002 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 15999 conjuctions. This might take some time...