./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:46:47,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:46:47,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:46:47,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:46:47,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:46:47,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:46:47,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:46:47,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:46:47,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:46:47,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:46:47,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:46:47,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:46:47,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:46:47,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:46:47,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:46:47,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:46:47,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:46:47,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:46:47,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:46:47,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:46:47,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:46:47,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:46:47,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:46:47,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:46:47,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:46:47,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:46:47,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:46:47,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:46:47,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:46:47,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:46:47,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:46:47,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:46:47,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:46:47,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:46:47,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:46:47,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:46:47,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:46:47,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:46:47,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:46:47,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:46:47,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:46:47,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 22:46:47,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:46:47,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:46:47,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:46:47,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:46:47,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:46:47,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:46:47,328 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:46:47,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:46:47,328 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:46:47,328 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:46:47,329 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:46:47,329 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:46:47,329 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:46:47,329 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:46:47,330 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:46:47,330 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:46:47,330 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:46:47,330 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:46:47,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:46:47,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:46:47,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 22:46:47,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:46:47,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:46:47,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:46:47,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:46:47,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:46:47,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:46:47,333 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 22:46:47,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:46:47,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:46:47,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:46:47,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:46:47,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:46:47,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:46:47,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:46:47,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:46:47,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:46:47,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:46:47,336 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:46:47,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:46:47,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:46:47,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:46:47,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:46:47,337 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_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2021-11-20 22:46:47,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:46:47,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:46:47,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:46:47,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:46:47,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:46:47,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2021-11-20 22:46:47,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/data/60e30ebb2/9d4a91e2084140e8a80036f4b8dd80aa/FLAG3c66a33cc [2021-11-20 22:46:48,245 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:46:48,245 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2021-11-20 22:46:48,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/data/60e30ebb2/9d4a91e2084140e8a80036f4b8dd80aa/FLAG3c66a33cc [2021-11-20 22:46:48,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/data/60e30ebb2/9d4a91e2084140e8a80036f4b8dd80aa [2021-11-20 22:46:48,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:46:48,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:46:48,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:46:48,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:46:48,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:46:48,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:48" (1/1) ... [2021-11-20 22:46:48,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b4dd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48, skipping insertion in model container [2021-11-20 22:46:48,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:48" (1/1) ... [2021-11-20 22:46:48,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:46:48,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:46:49,105 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_6cbcb116-f623-4837-9c3a-9c7c2adb487c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2021-11-20 22:46:49,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:46:49,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:46:49,347 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_6cbcb116-f623-4837-9c3a-9c7c2adb487c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2021-11-20 22:46:49,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:46:49,452 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:46:49,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49 WrapperNode [2021-11-20 22:46:49,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:46:49,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:46:49,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:46:49,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:46:49,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,582 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-20 22:46:49,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:46:49,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:46:49,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:46:49,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:46:49,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:46:49,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:46:49,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:46:49,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:46:49,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (1/1) ... [2021-11-20 22:46:49,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:46:49,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:46:49,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:46:49,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:46:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:46:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:46:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:46:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:46:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 22:46:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 22:46:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:46:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:46:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:46:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 22:46:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 22:46:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:46:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:46:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:46:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:46:50,059 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:46:50,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:46:51,183 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:46:51,562 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:46:51,563 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-20 22:46:51,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:51 BoogieIcfgContainer [2021-11-20 22:46:51,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:46:51,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:46:51,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:46:51,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:46:51,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:48" (1/3) ... [2021-11-20 22:46:51,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4365c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:51, skipping insertion in model container [2021-11-20 22:46:51,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:49" (2/3) ... [2021-11-20 22:46:51,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4365c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:51, skipping insertion in model container [2021-11-20 22:46:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:51" (3/3) ... [2021-11-20 22:46:51,574 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-1.i [2021-11-20 22:46:51,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:46:51,580 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 22:46:51,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:46:51,655 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 [2021-11-20 22:46:51,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 22:46:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:46:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 22:46:51,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:46:51,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 22:46:51,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:46:51,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:46:51,693 INFO L85 PathProgramCache]: Analyzing trace with hash 894004, now seen corresponding path program 1 times [2021-11-20 22:46:51,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:46:51,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282265731] [2021-11-20 22:46:51,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:46:51,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:46:51,826 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:46:51,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358708068] [2021-11-20 22:46:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:46:51,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:46:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:46:51,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:46:51,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 22:46:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:46:52,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:46:52,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:46:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:46:52,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:46:52,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:46:52,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282265731] [2021-11-20 22:46:52,086 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:46:52,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358708068] [2021-11-20 22:46:52,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358708068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:46:52,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:46:52,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 22:46:52,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731552236] [2021-11-20 22:46:52,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:46:52,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:46:52,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:46:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:46:52,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:46:52,130 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:46:53,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:46:53,461 INFO L93 Difference]: Finished difference Result 368 states and 640 transitions. [2021-11-20 22:46:53,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:46:53,471 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 [2021-11-20 22:46:53,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:46:53,481 INFO L225 Difference]: With dead ends: 368 [2021-11-20 22:46:53,482 INFO L226 Difference]: Without dead ends: 233 [2021-11-20 22:46:53,485 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 [2021-11-20 22:46:53,489 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 102 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:46:53,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 308 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 22:46:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-20 22:46:53,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-20 22:46:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:46:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-20 22:46:53,544 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-20 22:46:53,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:46:53,544 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-20 22:46:53,544 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) [2021-11-20 22:46:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-20 22:46:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-20 22:46:53,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:46:53,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:46:53,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:46:53,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:46:53,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:46:53,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:46:53,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1485228930, now seen corresponding path program 1 times [2021-11-20 22:46:53,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:46:53,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896975909] [2021-11-20 22:46:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:46:53,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:46:53,825 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:46:53,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876452061] [2021-11-20 22:46:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:46:53,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:46:53,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:46:53,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:46:53,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 22:46:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:46:54,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:46:54,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:46:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:46:54,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:46:54,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:46:54,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896975909] [2021-11-20 22:46:54,292 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:46:54,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876452061] [2021-11-20 22:46:54,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876452061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:46:54,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:46:54,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:46:54,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781703865] [2021-11-20 22:46:54,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:46:54,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:46:54,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:46:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:46:54,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:46:54,297 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:46:57,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:46:58,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:46:58,126 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-20 22:46:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 22:46:58,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-20 22:46:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:46:58,137 INFO L225 Difference]: With dead ends: 233 [2021-11-20 22:46:58,137 INFO L226 Difference]: Without dead ends: 232 [2021-11-20 22:46:58,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:46:58,139 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 59 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 22:46:58,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 447 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 22:46:58,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-20 22:46:58,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-20 22:46:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:46:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-20 22:46:58,163 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-20 22:46:58,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:46:58,164 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-20 22:46:58,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:46:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-20 22:46:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 22:46:58,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:46:58,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:46:58,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:46:58,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:46:58,388 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:46:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:46:58,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1202544191, now seen corresponding path program 1 times [2021-11-20 22:46:58,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:46:58,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498784689] [2021-11-20 22:46:58,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:46:58,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:46:58,410 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:46:58,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185968608] [2021-11-20 22:46:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:46:58,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:46:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:46:58,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:46:58,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 22:46:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:46:58,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:46:58,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:46:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:46:58,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:46:58,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:46:58,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498784689] [2021-11-20 22:46:58,826 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:46:58,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185968608] [2021-11-20 22:46:58,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185968608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:46:58,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:46:58,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:46:58,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757730339] [2021-11-20 22:46:58,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:46:58,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:46:58,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:46:58,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:46:58,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:46:58,829 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:47:00,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:47:00,018 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-20 22:47:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:47:00,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-20 22:47:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:47:00,026 INFO L225 Difference]: With dead ends: 230 [2021-11-20 22:47:00,026 INFO L226 Difference]: Without dead ends: 229 [2021-11-20 22:47:00,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:47:00,027 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:47:00,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 22:47:00,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-20 22:47:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-20 22:47:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:47:00,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-20 22:47:00,056 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-20 22:47:00,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:47:00,057 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-20 22:47:00,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:47:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-20 22:47:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 22:47:00,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:47:00,060 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:47:00,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-20 22:47:00,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:00,276 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:47:00,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:47:00,277 INFO L85 PathProgramCache]: Analyzing trace with hash 298795953, now seen corresponding path program 1 times [2021-11-20 22:47:00,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:47:00,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607757997] [2021-11-20 22:47:00,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:00,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:47:00,296 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:47:00,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621069835] [2021-11-20 22:47:00,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:00,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:00,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:47:00,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:47:00,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 22:47:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:47:00,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:47:00,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:47:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:47:00,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:47:00,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:47:00,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607757997] [2021-11-20 22:47:00,770 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:47:00,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621069835] [2021-11-20 22:47:00,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621069835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:47:00,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:47:00,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:47:00,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372918258] [2021-11-20 22:47:00,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:47:00,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:47:00,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:47:00,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:47:00,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:47:00,779 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:47:04,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:47:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:47:04,027 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-20 22:47:04,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:47:04,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-20 22:47:04,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:47:04,049 INFO L225 Difference]: With dead ends: 384 [2021-11-20 22:47:04,049 INFO L226 Difference]: Without dead ends: 227 [2021-11-20 22:47:04,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:47:04,053 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:47:04,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-20 22:47:04,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-20 22:47:04,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-20 22:47:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:47:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-20 22:47:04,097 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-20 22:47:04,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:47:04,109 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-20 22:47:04,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:47:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-20 22:47:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 22:47:04,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:47:04,112 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:47:04,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 22:47:04,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:04,313 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:47:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:47:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash 122534312, now seen corresponding path program 1 times [2021-11-20 22:47:04,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:47:04,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789734147] [2021-11-20 22:47:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:04,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:47:04,350 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:47:04,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505204053] [2021-11-20 22:47:04,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:04,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:04,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:47:04,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:47:04,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 22:47:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:47:04,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:47:04,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:47:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:47:04,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:47:04,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:47:04,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789734147] [2021-11-20 22:47:04,867 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:47:04,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505204053] [2021-11-20 22:47:04,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505204053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:47:04,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:47:04,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:47:04,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720707931] [2021-11-20 22:47:04,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:47:04,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:47:04,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:47:04,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:47:04,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:47:04,870 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 22:47:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:47:06,242 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-20 22:47:06,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:47:06,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-20 22:47:06,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:47:06,248 INFO L225 Difference]: With dead ends: 426 [2021-11-20 22:47:06,248 INFO L226 Difference]: Without dead ends: 225 [2021-11-20 22:47:06,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:47:06,251 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:47:06,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-20 22:47:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-20 22:47:06,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-20 22:47:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:47:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-20 22:47:06,270 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-20 22:47:06,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:47:06,271 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-20 22:47:06,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 22:47:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-20 22:47:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 22:47:06,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:47:06,273 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:47:06,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 22:47:06,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:06,488 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:47:06,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:47:06,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1762473051, now seen corresponding path program 1 times [2021-11-20 22:47:06,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:47:06,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004830127] [2021-11-20 22:47:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:06,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:47:06,520 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:47:06,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212018165] [2021-11-20 22:47:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:06,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:47:06,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:47:06,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 22:47:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:47:09,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 22:47:09,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:47:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 22:47:09,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:47:09,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:47:09,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004830127] [2021-11-20 22:47:09,404 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:47:09,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212018165] [2021-11-20 22:47:09,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212018165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:47:09,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:47:09,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 22:47:09,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311450757] [2021-11-20 22:47:09,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:47:09,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:47:09,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:47:09,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:47:09,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:47:09,406 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:47:12,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:47:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:47:13,387 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-20 22:47:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:47:13,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-20 22:47:13,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:47:13,395 INFO L225 Difference]: With dead ends: 432 [2021-11-20 22:47:13,395 INFO L226 Difference]: Without dead ends: 227 [2021-11-20 22:47:13,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:47:13,397 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:47:13,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-20 22:47:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-20 22:47:13,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-20 22:47:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 22:47:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-20 22:47:13,414 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-20 22:47:13,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:47:13,414 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-20 22:47:13,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:47:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-20 22:47:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 22:47:13,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:47:13,417 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:47:13,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-20 22:47:13,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:13,640 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:47:13,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:47:13,641 INFO L85 PathProgramCache]: Analyzing trace with hash -211946721, now seen corresponding path program 1 times [2021-11-20 22:47:13,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:47:13,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948939602] [2021-11-20 22:47:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:13,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:47:13,668 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:47:13,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639434278] [2021-11-20 22:47:13,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:47:13,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:47:13,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:47:13,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:47:13,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbcb116-f623-4837-9c3a-9c7c2adb487c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 22:47:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:47:15,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 22:47:15,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:47:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:47:15,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:47:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 22:47:15,467 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:47:15,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948939602] [2021-11-20 22:47:15,467 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:47:15,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639434278] [2021-11-20 22:47:15,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639434278] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:47:15,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [202978550] [2021-11-20 22:47:15,489 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-20 22:47:15,489 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:47:15,493 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:47:15,497 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:47:15,497 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:47:15,906 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:47:15,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 22:47:15,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 22:47:15,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 22:47:15,975 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 22:47:15,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-20 22:47:16,029 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:47:16,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 22:47:16,212 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 [2021-11-20 22:47:16,225 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 [2021-11-20 22:47:16,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:16,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:16,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 22:47:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:47:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:47:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:47:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:47:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:47:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:47:17,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 22:47:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,904 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 22:47:17,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:47:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:17,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 22:47:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,072 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-20 22:47:18,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 22:47:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,124 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-20 22:47:18,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 22:47:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:18,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:47:18,694 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 [2021-11-20 22:47:18,699 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 [2021-11-20 22:47:18,707 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 [2021-11-20 22:47:18,757 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 22:47:18,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 22:47:18,784 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 22:47:18,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 22:47:18,809 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 22:47:18,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 22:47:18,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:47:18,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:47:18,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:47:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:47:19,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:47:19,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 22:47:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:47:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:47:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:19,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 22:47:24,732 WARN L227 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:47:24,733 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 22:47:24,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-20 22:47:24,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,903 WARN L227 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:47:32,904 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 22:47:32,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-20 22:47:42,096 WARN L227 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:47:42,098 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 22:47:42,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-20 22:47:43,105 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-20 22:47:43,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-20 22:47:44,089 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-20 22:47:44,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-20 22:47:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,440 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 22:47:45,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-20 22:47:45,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:46,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:46,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:46,765 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 22:47:46,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-20 22:47:47,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:47,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 817 treesize of output 369 [2021-11-20 22:47:47,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:48,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:48,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:48,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:48,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:48,288 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-20 22:47:48,432 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-20 22:47:48,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 817 treesize of output 415 [2021-11-20 22:47:48,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:48,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:49,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:49,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 796 treesize of output 366 [2021-11-20 22:47:49,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:50,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:50,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:50,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:50,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:50,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:50,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:50,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:50,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 817 treesize of output 369 [2021-11-20 22:47:51,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:51,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-20 22:47:51,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:51,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:51,857 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-20 22:47:51,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1711 treesize of output 1257 [2021-11-20 22:47:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:52,531 INFO L244 Elim1Store]: Index analysis took 198 ms [2021-11-20 22:47:53,618 INFO L354 Elim1Store]: treesize reduction 947, result has 48.6 percent of original size [2021-11-20 22:47:53,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 826 treesize of output 1267 [2021-11-20 22:47:54,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:54,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:54,517 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-20 22:47:54,626 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:47:54,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 749 treesize of output 559 [2021-11-20 22:47:55,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:55,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:55,591 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-20 22:47:55,671 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:47:55,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 805 treesize of output 587 [2021-11-20 22:47:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:56,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:56,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 728 treesize of output 366 [2021-11-20 22:47:56,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:56,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:56,656 INFO L354 Elim1Store]: treesize reduction 1152, result has 0.1 percent of original size [2021-11-20 22:47:56,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 805 treesize of output 369 [2021-11-20 22:47:58,185 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 22:47:58,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1343 treesize of output 1351 [2021-11-20 22:47:58,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:58,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-20 22:47:59,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:59,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-20 22:47:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:59,935 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-20 22:47:59,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-20 22:48:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:00,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-20 22:48:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:05,299 INFO L190 IndexEqualityManager]: detected not equals via solver