./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.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_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/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_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/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_50a25909-47bd-4da1-8e36-bff2e27f8a61/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 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:16:50,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:16:50,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:16:50,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:16:50,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:16:50,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:16:50,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:16:50,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:16:50,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:16:50,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:16:50,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:16:50,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:16:50,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:16:50,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:16:50,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:16:50,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:16:50,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:16:50,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:16:50,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:16:50,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:16:50,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:16:50,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:16:50,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:16:50,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:16:50,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:16:50,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:16:50,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:16:50,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:16:50,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:16:50,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:16:50,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:16:50,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:16:50,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:16:50,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:16:50,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:16:50,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:16:50,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:16:50,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:16:50,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:16:50,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:16:50,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:16:50,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:16:50,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:16:50,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:16:50,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:16:50,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:16:50,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:16:50,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:16:50,255 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:16:50,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:16:50,256 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:16:50,256 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:16:50,256 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:16:50,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:16:50,257 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:16:50,257 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:16:50,257 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:16:50,257 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:16:50,258 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:16:50,258 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:16:50,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:16:50,259 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:16:50,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:16:50,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:16:50,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:16:50,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:16:50,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:16:50,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:16:50,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:16:50,261 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:16:50,261 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:16:50,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:16:50,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:16:50,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:16:50,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:16:50,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:16:50,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:16:50,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:16:50,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:16:50,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:16:50,264 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:16:50,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:16:50,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:16:50,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:16:50,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:16:50,265 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_50a25909-47bd-4da1-8e36-bff2e27f8a61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2021-11-21 01:16:50,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:16:50,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:16:50,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:16:50,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:16:50,618 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:16:50,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2021-11-21 01:16:50,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/data/bbfaeeebe/f7f5250c3ed34d58a951fd02035ec71f/FLAGf6cf3989c [2021-11-21 01:16:51,470 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:16:51,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2021-11-21 01:16:51,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/data/bbfaeeebe/f7f5250c3ed34d58a951fd02035ec71f/FLAGf6cf3989c [2021-11-21 01:16:51,610 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/data/bbfaeeebe/f7f5250c3ed34d58a951fd02035ec71f [2021-11-21 01:16:51,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:16:51,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:16:51,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:16:51,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:16:51,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:16:51,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:16:51" (1/1) ... [2021-11-21 01:16:51,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6758adff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:51, skipping insertion in model container [2021-11-21 01:16:51,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:16:51" (1/1) ... [2021-11-21 01:16:51,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:16:51,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:16:52,498 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_50a25909-47bd-4da1-8e36-bff2e27f8a61/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2021-11-21 01:16:52,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:16:52,835 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:16:52,892 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_50a25909-47bd-4da1-8e36-bff2e27f8a61/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2021-11-21 01:16:53,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:16:53,111 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:16:53,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53 WrapperNode [2021-11-21 01:16:53,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:16:53,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:16:53,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:16:53,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:16:53,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,348 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-21 01:16:53,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:16:53,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:16:53,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:16:53,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:16:53,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:16:53,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:16:53,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:16:53,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:16:53,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (1/1) ... [2021-11-21 01:16:53,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:16:53,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:16:53,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:16:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:16:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-21 01:16:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-21 01:16:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:16:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:16:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:16:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:16:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:16:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:16:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:16:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:16:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:16:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:16:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:16:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:16:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:16:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:16:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:16:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:16:54,241 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:16:54,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:16:56,453 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:16:57,421 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:16:57,421 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-21 01:16:57,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:16:57 BoogieIcfgContainer [2021-11-21 01:16:57,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:16:57,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:16:57,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:16:57,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:16:57,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:16:51" (1/3) ... [2021-11-21 01:16:57,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58770304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:16:57, skipping insertion in model container [2021-11-21 01:16:57,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:53" (2/3) ... [2021-11-21 01:16:57,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58770304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:16:57, skipping insertion in model container [2021-11-21 01:16:57,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:16:57" (3/3) ... [2021-11-21 01:16:57,446 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test10-1.i [2021-11-21 01:16:57,453 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:16:57,453 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:16:57,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:16:57,551 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:16:57,552 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:16:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-21 01:16:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:16:57,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:16:57,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:16:57,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:16:57,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:16:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 56325447, now seen corresponding path program 1 times [2021-11-21 01:16:57,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:16:57,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919591801] [2021-11-21 01:16:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:16:57,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:16:57,789 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:16:57,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899400354] [2021-11-21 01:16:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:16:57,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:16:57,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:16:57,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:16:57,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:16:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:16:58,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:16:58,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:16:58,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:16:58,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:16:58,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 01:16:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:16:58,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:16:58,475 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:16:58,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919591801] [2021-11-21 01:16:58,476 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:16:58,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899400354] [2021-11-21 01:16:58,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899400354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:16:58,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:16:58,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:16:58,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770832336] [2021-11-21 01:16:58,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:16:58,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:16:58,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:16:58,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:16:58,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:16:58,538 INFO L87 Difference]: Start difference. First operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:02,783 INFO L93 Difference]: Finished difference Result 547 states and 974 transitions. [2021-11-21 01:17:02,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:17:02,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-21 01:17:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:02,801 INFO L225 Difference]: With dead ends: 547 [2021-11-21 01:17:02,801 INFO L226 Difference]: Without dead ends: 287 [2021-11-21 01:17:02,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:17:02,811 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 29 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:02,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 783 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:17:02,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-21 01:17:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 261. [2021-11-21 01:17:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.218487394957983) internal successors, (290), 248 states have internal predecessors, (290), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:17:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2021-11-21 01:17:02,885 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 4 [2021-11-21 01:17:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:02,886 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2021-11-21 01:17:02,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2021-11-21 01:17:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:17:02,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:02,889 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] [2021-11-21 01:17:02,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:17:03,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:17:03,117 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:17:03,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:03,118 INFO L85 PathProgramCache]: Analyzing trace with hash 433822891, now seen corresponding path program 1 times [2021-11-21 01:17:03,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:03,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856412168] [2021-11-21 01:17:03,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:03,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:17:03,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:03,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856412168] [2021-11-21 01:17:03,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856412168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:03,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:17:03,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:17:03,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689962955] [2021-11-21 01:17:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:03,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:17:03,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:03,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:17:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:17:03,278 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:06,203 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:17:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:08,661 INFO L93 Difference]: Finished difference Result 410 states and 503 transitions. [2021-11-21 01:17:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:17:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 01:17:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:08,665 INFO L225 Difference]: With dead ends: 410 [2021-11-21 01:17:08,665 INFO L226 Difference]: Without dead ends: 261 [2021-11-21 01:17:08,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:17:08,668 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:08,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 795 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-21 01:17:08,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-21 01:17:08,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-11-21 01:17:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 248 states have internal predecessors, (289), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:17:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2021-11-21 01:17:08,706 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 20 [2021-11-21 01:17:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:08,707 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2021-11-21 01:17:08,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2021-11-21 01:17:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 01:17:08,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:08,714 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] [2021-11-21 01:17:08,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:17:08,714 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:17:08,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash -649685512, now seen corresponding path program 1 times [2021-11-21 01:17:08,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:08,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404739031] [2021-11-21 01:17:08,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:08,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:08,744 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:08,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204994651] [2021-11-21 01:17:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:08,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:08,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:08,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:08,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:17:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:09,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:17:09,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:17:09,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:17:09,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:09,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404739031] [2021-11-21 01:17:09,293 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:09,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204994651] [2021-11-21 01:17:09,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204994651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:09,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:17:09,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:17:09,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90365513] [2021-11-21 01:17:09,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:09,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:17:09,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:09,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:17:09,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:17:09,299 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:11,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:17:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:11,927 INFO L93 Difference]: Finished difference Result 632 states and 764 transitions. [2021-11-21 01:17:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:17:11,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-21 01:17:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:11,931 INFO L225 Difference]: With dead ends: 632 [2021-11-21 01:17:11,931 INFO L226 Difference]: Without dead ends: 376 [2021-11-21 01:17:11,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:17:11,933 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:11,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 598 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 01:17:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-21 01:17:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-21 01:17:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.191860465116279) internal successors, (410), 354 states have internal predecessors, (410), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-21 01:17:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 447 transitions. [2021-11-21 01:17:11,956 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 447 transitions. Word has length 29 [2021-11-21 01:17:11,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:11,957 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 447 transitions. [2021-11-21 01:17:11,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-21 01:17:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 01:17:11,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:11,960 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:17:12,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:12,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:12,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:17:12,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash -656242656, now seen corresponding path program 1 times [2021-11-21 01:17:12,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:12,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442534645] [2021-11-21 01:17:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:12,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:12,206 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:12,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340047745] [2021-11-21 01:17:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:12,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:12,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:12,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:12,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:17:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:12,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:17:12,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:12,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:17:12,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:12,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-21 01:17:12,764 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:17:12,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 42 [2021-11-21 01:17:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:17:12,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:17:12,881 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:12,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442534645] [2021-11-21 01:17:12,881 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:12,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340047745] [2021-11-21 01:17:12,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340047745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:12,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:17:12,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:17:12,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966247966] [2021-11-21 01:17:12,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:12,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:17:12,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:12,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:17:12,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:17:12,885 INFO L87 Difference]: Start difference. First operand 372 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:17:15,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:17:17,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:17:21,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:17:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:21,801 INFO L93 Difference]: Finished difference Result 692 states and 833 transitions. [2021-11-21 01:17:21,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:17:21,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 42 [2021-11-21 01:17:21,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:21,806 INFO L225 Difference]: With dead ends: 692 [2021-11-21 01:17:21,807 INFO L226 Difference]: Without dead ends: 372 [2021-11-21 01:17:21,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:17:21,809 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:21,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 1001 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-11-21 01:17:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-21 01:17:21,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2021-11-21 01:17:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.188953488372093) internal successors, (409), 354 states have internal predecessors, (409), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-21 01:17:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 446 transitions. [2021-11-21 01:17:21,839 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 446 transitions. Word has length 42 [2021-11-21 01:17:21,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:21,839 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 446 transitions. [2021-11-21 01:17:21,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:17:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 446 transitions. [2021-11-21 01:17:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 01:17:21,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:21,843 INFO L514 BasicCegarLoop]: trace histogram [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, 1] [2021-11-21 01:17:21,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:22,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:22,061 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:17:22,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash -391626636, now seen corresponding path program 1 times [2021-11-21 01:17:22,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:22,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514123275] [2021-11-21 01:17:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:22,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:22,106 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:22,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210891570] [2021-11-21 01:17:22,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:22,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:22,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:22,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:22,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:17:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:22,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:17:22,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:17:22,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:17:22,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:22,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514123275] [2021-11-21 01:17:22,703 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:22,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210891570] [2021-11-21 01:17:22,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210891570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:22,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:17:22,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:17:22,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029754692] [2021-11-21 01:17:22,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:22,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:17:22,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:22,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:17:22,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:17:22,706 INFO L87 Difference]: Start difference. First operand 372 states and 446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:17:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:25,155 INFO L93 Difference]: Finished difference Result 838 states and 1006 transitions. [2021-11-21 01:17:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:17:25,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 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 63 [2021-11-21 01:17:25,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:25,161 INFO L225 Difference]: With dead ends: 838 [2021-11-21 01:17:25,161 INFO L226 Difference]: Without dead ends: 494 [2021-11-21 01:17:25,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:17:25,163 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:25,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 544 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 01:17:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-21 01:17:25,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 439. [2021-11-21 01:17:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 408 states have (on average 1.178921568627451) internal successors, (481), 418 states have internal predecessors, (481), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-21 01:17:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 524 transitions. [2021-11-21 01:17:25,201 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 524 transitions. Word has length 63 [2021-11-21 01:17:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:25,202 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 524 transitions. [2021-11-21 01:17:25,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:17:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 524 transitions. [2021-11-21 01:17:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 01:17:25,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:25,210 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:17:25,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:25,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:25,436 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:17:25,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1574397001, now seen corresponding path program 1 times [2021-11-21 01:17:25,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:25,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494553320] [2021-11-21 01:17:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:25,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:25,471 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:25,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064861293] [2021-11-21 01:17:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:25,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:25,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:25,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:25,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:17:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:28,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:17:28,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:17:28,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:17:28,970 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:28,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494553320] [2021-11-21 01:17:28,970 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:28,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064861293] [2021-11-21 01:17:28,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064861293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:28,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:17:28,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:17:28,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218174354] [2021-11-21 01:17:28,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:28,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:17:28,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:28,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:17:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:17:28,974 INFO L87 Difference]: Start difference. First operand 439 states and 524 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:17:32,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:32,230 INFO L93 Difference]: Finished difference Result 858 states and 1035 transitions. [2021-11-21 01:17:32,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:17:32,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 76 [2021-11-21 01:17:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:32,235 INFO L225 Difference]: With dead ends: 858 [2021-11-21 01:17:32,235 INFO L226 Difference]: Without dead ends: 441 [2021-11-21 01:17:32,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:17:32,238 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:32,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 01:17:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-21 01:17:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2021-11-21 01:17:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 409 states have (on average 1.1809290953545233) internal successors, (483), 420 states have internal predecessors, (483), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2021-11-21 01:17:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 529 transitions. [2021-11-21 01:17:32,266 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 529 transitions. Word has length 76 [2021-11-21 01:17:32,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:32,267 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 529 transitions. [2021-11-21 01:17:32,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:17:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 529 transitions. [2021-11-21 01:17:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 01:17:32,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:32,270 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:17:32,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:32,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:32,497 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:17:32,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:32,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1409610589, now seen corresponding path program 1 times [2021-11-21 01:17:32,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:32,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916785225] [2021-11-21 01:17:32,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:32,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:32,545 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:32,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54454699] [2021-11-21 01:17:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:32,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:32,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:32,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:32,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a25909-47bd-4da1-8e36-bff2e27f8a61/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:17:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:34,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:17:34,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 01:17:34,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:17:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:17:34,995 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:34,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916785225] [2021-11-21 01:17:34,995 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:34,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54454699] [2021-11-21 01:17:34,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54454699] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:17:34,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [753316559] [2021-11-21 01:17:35,023 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-21 01:17:35,024 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:17:35,029 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:17:35,036 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:17:35,036 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:17:35,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:17:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,303 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:17:35,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:17:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:17:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:17:35,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:17:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,608 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:17:35,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:17:35,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:17:35,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:17:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,761 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 01:17:35,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:17:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:35,864 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:17:35,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:17:36,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:17:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:36,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:17:36,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:17:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-21 01:17:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-21 01:17:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:17:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:17:38,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-21 01:17:38,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-21 01:17:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:17:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:38,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:17:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,031 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:17:39,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:17:39,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:17:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,167 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 110 treesize of output 115 [2021-11-21 01:17:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,344 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:17:39,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:17:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:39,425 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:17:39,425 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 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:17:40,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:17:40,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:17:40,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:17:40,195 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:17:40,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:17:40,224 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:17:40,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:17:40,246 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:17:40,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:17:40,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:17:40,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:17:40,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:17:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:17:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:17:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:40,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:17:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:17:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:17:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:41,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:17:50,012 WARN L227 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:17:50,013 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:17:50,014 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 2847 treesize of output 2324 [2021-11-21 01:17:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:03,444 WARN L227 SmtUtils]: Spent 13.38s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:18:03,445 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:18:03,446 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 2948 treesize of output 2666 [2021-11-21 01:18:18,399 WARN L227 SmtUtils]: Spent 14.83s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:18:18,400 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:18:18,400 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 2852 treesize of output 2682 [2021-11-21 01:18:18,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:19,657 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:18:19,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-21 01:18:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:20,963 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:18:20,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-21 01:18:23,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:23,891 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:18:23,892 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 46 treesize of output 30 [2021-11-21 01:18:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:24,971 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:18:24,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 01:18:25,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:25,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:25,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:25,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:25,612 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-11-21 01:18:25,815 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-21 01:18:25,816 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 1715 treesize of output 1313 [2021-11-21 01:18:26,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:26,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:26,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:27,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:27,088 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-21 01:18:27,092 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 1715 treesize of output 1267 [2021-11-21 01:18:28,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:28,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:28,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:28,201 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-21 01:18:28,202 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 1715 treesize of output 1267 [2021-11-21 01:18:29,859 INFO L244 Elim1Store]: Index analysis took 293 ms [2021-11-21 01:18:32,783 INFO L354 Elim1Store]: treesize reduction 502, result has 73.0 percent of original size [2021-11-21 01:18:32,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1724 treesize of output 2624 [2021-11-21 01:18:38,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:39,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:43,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:43,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:43,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:44,082 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-21 01:18:44,817 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:18:44,817 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 1703 treesize of output 2419 [2021-11-21 01:18:47,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:47,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:47,685 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 1694 treesize of output 1264 [2021-11-21 01:18:48,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:49,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:49,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:49,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:49,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:49,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:18:49,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:49,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:49,761 INFO L244 Elim1Store]: Index analysis took 278 ms [2021-11-21 01:18:49,780 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:18:49,780 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 1703 treesize of output 1267 [2021-11-21 01:18:50,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:50,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:54,441 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:18:54,442 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 1700 treesize of output 1708 [2021-11-21 01:18:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:55,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 01:18:56,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:57,989 INFO L244 Elim1Store]: Index analysis took 223 ms [2021-11-21 01:18:58,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:59,259 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 01:18:59,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 01:19:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:00,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 01:19:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver