./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark22_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark22_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan --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 9b57d01e5f5efa477f018f1cacf9416655bf2c2d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:13:08,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:13:08,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:13:08,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:13:08,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:13:08,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:13:08,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:13:08,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:13:08,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:13:08,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:13:08,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:13:08,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:13:08,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:13:08,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:13:08,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:13:08,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:13:08,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:13:08,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:13:08,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:13:08,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:13:08,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:13:08,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:13:08,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:13:08,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:13:08,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:13:08,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:13:08,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:13:08,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:13:08,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:13:08,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:13:08,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:13:08,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:13:08,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:13:08,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:13:08,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:13:08,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:13:08,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:13:08,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:13:08,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:13:08,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:13:08,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:13:08,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-09 11:13:08,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:13:08,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:13:08,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:13:08,362 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:13:08,362 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:13:08,362 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:13:08,362 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:13:08,362 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:13:08,363 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:13:08,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:13:08,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:13:08,363 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:13:08,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:13:08,364 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:13:08,364 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:13:08,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:13:08,365 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:13:08,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 11:13:08,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:13:08,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:13:08,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:13:08,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:13:08,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:13:08,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:13:08,366 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 11:13:08,366 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:13:08,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:13:08,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:13:08,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:13:08,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:13:08,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:13:08,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:13:08,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:13:08,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:13:08,368 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-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b57d01e5f5efa477f018f1cacf9416655bf2c2d [2020-12-09 11:13:08,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:13:08,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:13:08,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:13:08,559 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:13:08,559 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:13:08,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/../../sv-benchmarks/c/loop-zilu/benchmark22_conjunctive.i [2020-12-09 11:13:08,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/data/aac265c90/a941b6d681ed4da0b4f364f03481a811/FLAG491acee5d [2020-12-09 11:13:08,953 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:13:08,953 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/sv-benchmarks/c/loop-zilu/benchmark22_conjunctive.i [2020-12-09 11:13:08,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/data/aac265c90/a941b6d681ed4da0b4f364f03481a811/FLAG491acee5d [2020-12-09 11:13:08,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/data/aac265c90/a941b6d681ed4da0b4f364f03481a811 [2020-12-09 11:13:08,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:13:08,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:13:08,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:13:08,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:13:08,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:13:08,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:13:08" (1/1) ... [2020-12-09 11:13:08,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4987542b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:08, skipping insertion in model container [2020-12-09 11:13:08,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:13:08" (1/1) ... [2020-12-09 11:13:08,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:13:08,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:13:09,105 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/sv-benchmarks/c/loop-zilu/benchmark22_conjunctive.i[873,886] [2020-12-09 11:13:09,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:13:09,121 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:13:09,133 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/sv-benchmarks/c/loop-zilu/benchmark22_conjunctive.i[873,886] [2020-12-09 11:13:09,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:13:09,149 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:13:09,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09 WrapperNode [2020-12-09 11:13:09,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:13:09,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:13:09,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:13:09,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:13:09,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:13:09,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:13:09,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:13:09,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:13:09,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... [2020-12-09 11:13:09,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:13:09,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:13:09,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:13:09,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:13:09,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:13:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 11:13:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:13:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:13:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:13:09,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:13:09,462 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 11:13:09,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:13:09 BoogieIcfgContainer [2020-12-09 11:13:09,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:13:09,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:13:09,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:13:09,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:13:09,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:13:08" (1/3) ... [2020-12-09 11:13:09,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd64e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:13:09, skipping insertion in model container [2020-12-09 11:13:09,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:13:09" (2/3) ... [2020-12-09 11:13:09,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd64e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:13:09, skipping insertion in model container [2020-12-09 11:13:09,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:13:09" (3/3) ... [2020-12-09 11:13:09,475 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark22_conjunctive.i [2020-12-09 11:13:09,490 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:13:09,493 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-09 11:13:09,503 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-09 11:13:09,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:13:09,527 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:13:09,527 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:13:09,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:13:09,527 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:13:09,527 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:13:09,527 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:13:09,528 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:13:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-12-09 11:13:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 11:13:09,546 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:09,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 11:13:09,547 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:09,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:09,553 INFO L82 PathProgramCache]: Analyzing trace with hash 2092610, now seen corresponding path program 1 times [2020-12-09 11:13:09,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:09,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192123261] [2020-12-09 11:13:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:09,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192123261] [2020-12-09 11:13:09,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:13:09,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:13:09,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942065971] [2020-12-09 11:13:09,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 11:13:09,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:09,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 11:13:09,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:13:09,721 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2020-12-09 11:13:09,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:09,761 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2020-12-09 11:13:09,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 11:13:09,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-09 11:13:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:09,770 INFO L225 Difference]: With dead ends: 19 [2020-12-09 11:13:09,771 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 11:13:09,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:13:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 11:13:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2020-12-09 11:13:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-09 11:13:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-12-09 11:13:09,799 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2020-12-09 11:13:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:09,800 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-12-09 11:13:09,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 11:13:09,800 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-12-09 11:13:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 11:13:09,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:09,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 11:13:09,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 11:13:09,801 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:09,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:09,802 INFO L82 PathProgramCache]: Analyzing trace with hash 64870960, now seen corresponding path program 1 times [2020-12-09 11:13:09,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:09,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088609766] [2020-12-09 11:13:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:09,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088609766] [2020-12-09 11:13:09,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:13:09,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:13:09,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157234433] [2020-12-09 11:13:09,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 11:13:09,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:09,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 11:13:09,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:13:09,840 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2020-12-09 11:13:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:09,855 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-12-09 11:13:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 11:13:09,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 11:13:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:09,856 INFO L225 Difference]: With dead ends: 15 [2020-12-09 11:13:09,856 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 11:13:09,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:13:09,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 11:13:09,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-09 11:13:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 11:13:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-09 11:13:09,860 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2020-12-09 11:13:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:09,860 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-09 11:13:09,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 11:13:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-09 11:13:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 11:13:09,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:09,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 11:13:09,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 11:13:09,861 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:09,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2010999812, now seen corresponding path program 1 times [2020-12-09 11:13:09,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:09,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080421821] [2020-12-09 11:13:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:09,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080421821] [2020-12-09 11:13:09,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:13:09,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 11:13:09,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845509676] [2020-12-09 11:13:09,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 11:13:09,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:09,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 11:13:09,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 11:13:09,890 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2020-12-09 11:13:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:09,915 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2020-12-09 11:13:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 11:13:09,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-09 11:13:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:09,916 INFO L225 Difference]: With dead ends: 18 [2020-12-09 11:13:09,916 INFO L226 Difference]: Without dead ends: 17 [2020-12-09 11:13:09,916 INFO L677 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 [2020-12-09 11:13:09,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-09 11:13:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-12-09 11:13:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-09 11:13:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-12-09 11:13:09,919 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 6 [2020-12-09 11:13:09,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:09,919 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-12-09 11:13:09,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 11:13:09,919 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-12-09 11:13:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 11:13:09,919 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:09,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:13:09,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 11:13:09,920 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:09,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:09,920 INFO L82 PathProgramCache]: Analyzing trace with hash -2083515214, now seen corresponding path program 1 times [2020-12-09 11:13:09,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:09,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218644181] [2020-12-09 11:13:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:09,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218644181] [2020-12-09 11:13:09,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:13:09,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 11:13:09,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741128350] [2020-12-09 11:13:09,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 11:13:09,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:09,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 11:13:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 11:13:09,946 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2020-12-09 11:13:09,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:09,966 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-12-09 11:13:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 11:13:09,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-09 11:13:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:09,967 INFO L225 Difference]: With dead ends: 15 [2020-12-09 11:13:09,967 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 11:13:09,967 INFO L677 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 [2020-12-09 11:13:09,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 11:13:09,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-09 11:13:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 11:13:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-09 11:13:09,971 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2020-12-09 11:13:09,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:09,971 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-09 11:13:09,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 11:13:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-09 11:13:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 11:13:09,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:09,972 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:13:09,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 11:13:09,972 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:09,973 INFO L82 PathProgramCache]: Analyzing trace with hash -803359244, now seen corresponding path program 1 times [2020-12-09 11:13:09,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:09,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126832154] [2020-12-09 11:13:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:10,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126832154] [2020-12-09 11:13:10,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606057334] [2020-12-09 11:13:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:10,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 11:13:10,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:10,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:13:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:10,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1485425472] [2020-12-09 11:13:10,192 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:13:10,192 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:13:10,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:13:10,199 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:13:10,199 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:13:10,581 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:13:10,931 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-12-09 11:13:11,134 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2020-12-09 11:13:11,276 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:13:11,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:13:11,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2020-12-09 11:13:11,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124076013] [2020-12-09 11:13:11,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 11:13:11,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:11,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 11:13:11,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2020-12-09 11:13:11,278 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 11 states. [2020-12-09 11:13:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:11,348 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-12-09 11:13:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 11:13:11,348 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 9 [2020-12-09 11:13:11,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:11,349 INFO L225 Difference]: With dead ends: 25 [2020-12-09 11:13:11,349 INFO L226 Difference]: Without dead ends: 24 [2020-12-09 11:13:11,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2020-12-09 11:13:11,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-09 11:13:11,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-12-09 11:13:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-09 11:13:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-12-09 11:13:11,352 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2020-12-09 11:13:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:11,352 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-12-09 11:13:11,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 11:13:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-12-09 11:13:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 11:13:11,353 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:11,353 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-12-09 11:13:11,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:11,555 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:11,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:11,557 INFO L82 PathProgramCache]: Analyzing trace with hash 865667262, now seen corresponding path program 1 times [2020-12-09 11:13:11,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:11,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635712565] [2020-12-09 11:13:11,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:11,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635712565] [2020-12-09 11:13:11,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514028759] [2020-12-09 11:13:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:11,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 11:13:11,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:11,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:13:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:11,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 11:13:11,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 10 [2020-12-09 11:13:11,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795958841] [2020-12-09 11:13:11,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 11:13:11,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:11,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 11:13:11,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-12-09 11:13:11,807 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 5 states. [2020-12-09 11:13:11,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:11,840 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2020-12-09 11:13:11,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 11:13:11,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-09 11:13:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:11,841 INFO L225 Difference]: With dead ends: 22 [2020-12-09 11:13:11,841 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 11:13:11,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-09 11:13:11,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 11:13:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 11:13:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 11:13:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-12-09 11:13:11,845 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 10 [2020-12-09 11:13:11,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:11,845 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-12-09 11:13:11,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 11:13:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-12-09 11:13:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 11:13:11,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:11,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2020-12-09 11:13:12,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2020-12-09 11:13:12,047 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:12,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:12,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1065881398, now seen corresponding path program 1 times [2020-12-09 11:13:12,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:12,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38570730] [2020-12-09 11:13:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:12,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38570730] [2020-12-09 11:13:12,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468161452] [2020-12-09 11:13:12,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:12,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 11:13:12,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:12,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:13:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:12,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [762312425] [2020-12-09 11:13:12,166 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:13:12,166 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:13:12,166 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:13:12,166 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:13:12,167 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:13:12,397 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:13:12,920 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:13:12,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:13:12,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2020-12-09 11:13:12,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741416873] [2020-12-09 11:13:12,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 11:13:12,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:12,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 11:13:12,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-12-09 11:13:12,923 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 10 states. [2020-12-09 11:13:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:13,004 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2020-12-09 11:13:13,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 11:13:13,004 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2020-12-09 11:13:13,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:13,005 INFO L225 Difference]: With dead ends: 31 [2020-12-09 11:13:13,005 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 11:13:13,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2020-12-09 11:13:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 11:13:13,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-12-09 11:13:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 11:13:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-12-09 11:13:13,008 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 11 [2020-12-09 11:13:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:13,008 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-12-09 11:13:13,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 11:13:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-12-09 11:13:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 11:13:13,009 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:13,009 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1] [2020-12-09 11:13:13,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2020-12-09 11:13:13,210 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:13,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:13,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1075330740, now seen corresponding path program 2 times [2020-12-09 11:13:13,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:13,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240739468] [2020-12-09 11:13:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:13,307 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:13,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240739468] [2020-12-09 11:13:13,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091822265] [2020-12-09 11:13:13,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:13,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-09 11:13:13,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 11:13:13,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 11:13:13,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:13,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:13:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:13,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [388558830] [2020-12-09 11:13:13,603 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:13:13,603 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:13:13,603 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:13:13,603 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:13:13,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:13:13,793 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:13:14,128 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-12-09 11:13:14,332 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2020-12-09 11:13:14,562 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:13:14,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:13:14,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2020-12-09 11:13:14,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596312060] [2020-12-09 11:13:14,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-09 11:13:14,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:14,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-09 11:13:14,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2020-12-09 11:13:14,564 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 23 states. [2020-12-09 11:13:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:14,791 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-12-09 11:13:14,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-09 11:13:14,792 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 19 [2020-12-09 11:13:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:14,792 INFO L225 Difference]: With dead ends: 44 [2020-12-09 11:13:14,792 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 11:13:14,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 32 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=244, Invalid=1162, Unknown=0, NotChecked=0, Total=1406 [2020-12-09 11:13:14,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 11:13:14,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2020-12-09 11:13:14,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-09 11:13:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2020-12-09 11:13:14,797 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 19 [2020-12-09 11:13:14,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:14,797 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2020-12-09 11:13:14,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-09 11:13:14,797 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2020-12-09 11:13:14,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 11:13:14,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:14,798 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1] [2020-12-09 11:13:14,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:14,999 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:15,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:15,001 INFO L82 PathProgramCache]: Analyzing trace with hash 953924228, now seen corresponding path program 2 times [2020-12-09 11:13:15,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:15,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881629604] [2020-12-09 11:13:15,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:15,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881629604] [2020-12-09 11:13:15,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540058667] [2020-12-09 11:13:15,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:15,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-09 11:13:15,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 11:13:15,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 11:13:15,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:15,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:13:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:15,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1646175303] [2020-12-09 11:13:15,241 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:13:15,242 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:13:15,242 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:13:15,242 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:13:15,242 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:13:15,385 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:13:15,650 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-12-09 11:13:15,822 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2020-12-09 11:13:16,019 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:13:16,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:13:16,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2020-12-09 11:13:16,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606076173] [2020-12-09 11:13:16,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-09 11:13:16,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:16,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-09 11:13:16,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2020-12-09 11:13:16,020 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 22 states. [2020-12-09 11:13:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:16,182 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2020-12-09 11:13:16,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-09 11:13:16,183 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2020-12-09 11:13:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:16,183 INFO L225 Difference]: With dead ends: 63 [2020-12-09 11:13:16,183 INFO L226 Difference]: Without dead ends: 62 [2020-12-09 11:13:16,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 56 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=323, Invalid=1083, Unknown=0, NotChecked=0, Total=1406 [2020-12-09 11:13:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-09 11:13:16,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2020-12-09 11:13:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-12-09 11:13:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2020-12-09 11:13:16,188 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 26 [2020-12-09 11:13:16,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:16,188 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2020-12-09 11:13:16,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-09 11:13:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-12-09 11:13:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 11:13:16,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:16,189 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 1, 1, 1] [2020-12-09 11:13:16,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2020-12-09 11:13:16,391 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:13:16,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:16,392 INFO L82 PathProgramCache]: Analyzing trace with hash 237862964, now seen corresponding path program 3 times [2020-12-09 11:13:16,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:13:16,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356721025] [2020-12-09 11:13:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:13:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:16,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356721025] [2020-12-09 11:13:16,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512149588] [2020-12-09 11:13:16,583 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:13:16,611 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 11:13:16,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 11:13:16,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-09 11:13:16,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:16,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:13:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:37,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1984524562] [2020-12-09 11:13:37,010 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:13:37,010 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:13:37,010 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:13:37,010 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:13:37,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:13:37,141 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:13:37,624 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-12-09 11:13:37,906 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2020-12-09 11:13:38,667 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:13:38,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:13:38,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2020-12-09 11:13:38,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584506334] [2020-12-09 11:13:38,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-12-09 11:13:38,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:13:38,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-12-09 11:13:38,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=2398, Unknown=10, NotChecked=0, Total=2756 [2020-12-09 11:13:38,670 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 47 states. [2020-12-09 11:15:14,874 WARN L197 SmtUtils]: Spent 9.99 s on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2020-12-09 11:15:36,009 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2020-12-09 11:15:45,408 WARN L197 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2020-12-09 11:15:49,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:49,623 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2020-12-09 11:15:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-09 11:15:49,626 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 39 [2020-12-09 11:15:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:49,627 INFO L225 Difference]: With dead ends: 86 [2020-12-09 11:15:49,627 INFO L226 Difference]: Without dead ends: 85 [2020-12-09 11:15:49,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 72 SyntacticMatches, 8 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1865 ImplicationChecksByTransitivity, 146.6s TimeCoverageRelationStatistics Valid=980, Invalid=4672, Unknown=48, NotChecked=0, Total=5700 [2020-12-09 11:15:49,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-09 11:15:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2020-12-09 11:15:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-12-09 11:15:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2020-12-09 11:15:49,635 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 39 [2020-12-09 11:15:49,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:49,635 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2020-12-09 11:15:49,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-12-09 11:15:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2020-12-09 11:15:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-09 11:15:49,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:15:49,637 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 1, 1, 1] [2020-12-09 11:15:49,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:15:49,838 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:15:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:15:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash 999405636, now seen corresponding path program 3 times [2020-12-09 11:15:49,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:15:49,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753884046] [2020-12-09 11:15:49,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:15:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:50,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753884046] [2020-12-09 11:15:50,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810112389] [2020-12-09 11:15:50,554 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:15:50,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 11:15:50,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 11:15:50,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-09 11:15:50,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:15:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:50,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:15:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:52,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1065215925] [2020-12-09 11:15:52,640 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:15:52,640 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:15:52,640 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:15:52,640 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:15:52,641 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:15:52,855 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:15:53,052 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2020-12-09 11:15:53,406 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-09 11:15:53,652 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-12-09 11:15:54,249 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2020-12-09 11:15:54,474 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2020-12-09 11:15:54,700 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-12-09 11:15:56,048 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:15:56,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:15:56,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2020-12-09 11:15:56,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317659344] [2020-12-09 11:15:56,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-12-09 11:15:56,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:15:56,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-12-09 11:15:56,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=568, Invalid=2084, Unknown=0, NotChecked=0, Total=2652 [2020-12-09 11:15:56,050 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 46 states. [2020-12-09 11:15:57,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:57,920 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-12-09 11:15:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-12-09 11:15:57,922 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 56 [2020-12-09 11:15:57,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:57,923 INFO L225 Difference]: With dead ends: 127 [2020-12-09 11:15:57,923 INFO L226 Difference]: Without dead ends: 126 [2020-12-09 11:15:57,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 128 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1995 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1349, Invalid=4053, Unknown=0, NotChecked=0, Total=5402 [2020-12-09 11:15:57,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-09 11:15:57,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 118. [2020-12-09 11:15:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-09 11:15:57,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 125 transitions. [2020-12-09 11:15:57,933 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 125 transitions. Word has length 56 [2020-12-09 11:15:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:57,933 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 125 transitions. [2020-12-09 11:15:57,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-12-09 11:15:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2020-12-09 11:15:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-09 11:15:57,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:15:57,935 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 1, 1, 1] [2020-12-09 11:15:58,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:15:58,137 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 11:15:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:15:58,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1923662644, now seen corresponding path program 4 times [2020-12-09 11:15:58,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:15:58,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860923034] [2020-12-09 11:15:58,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:15:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:59,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860923034] [2020-12-09 11:15:59,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577002829] [2020-12-09 11:15:59,814 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed595868-cd7f-4626-92ef-518f56951449/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:15:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:59,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 48 conjunts are in the unsatisfiable core [2020-12-09 11:15:59,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:16:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:16:05,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:21:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:21:08,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [771250955] [2020-12-09 11:21:08,613 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 11:21:08,613 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:21:08,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:21:08,614 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:21:08,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:21:08,876 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:21:09,599 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 26 [2020-12-09 11:21:10,301 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-09 11:21:11,499 WARN L197 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-12-09 11:21:13,180 WARN L197 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2020-12-09 11:21:13,730 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-12-09 11:21:14,320 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-12-09 11:21:21,843 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:21:21,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 11:21:21,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2020-12-09 11:21:21,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461714660] [2020-12-09 11:21:21,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 95 states [2020-12-09 11:21:21,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:21:21,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2020-12-09 11:21:21,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1196, Invalid=8784, Unknown=120, NotChecked=0, Total=10100 [2020-12-09 11:21:21,848 INFO L87 Difference]: Start difference. First operand 118 states and 125 transitions. Second operand 95 states. [2020-12-09 11:21:27,144 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse31 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (let ((.cse22 (* 2 c_ULTIMATE.start_main_~y~0)) (.cse41 (+ (div (+ .cse31 2147483639) 2) 1)) (.cse20 (div (+ .cse31 2147483634) 2)) (.cse67 (* |c_ULTIMATE.start_main_#t~post6| (- 1))) (.cse48 (+ |c_ULTIMATE.start_main_#t~post6| 1)) (.cse21 (* c_ULTIMATE.start_main_~y~0 (- 1)))) (and (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse2 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse3 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse1 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse0 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ .cse0 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse1 .cse2) 2147483618) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse3) (+ .cse0 .cse2 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse3 c_ULTIMATE.start_main_~x~0 .cse1) (+ .cse0 2147483621)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_83)))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse4 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse8 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse5 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse6 (* 2 v_ULTIMATE.start_main_~y~0_85)) (.cse7 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse4 .cse5 .cse6) 2147483617) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse7 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse8) (+ .cse7 .cse4 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse8 c_ULTIMATE.start_main_~x~0 .cse5 .cse6) (+ .cse7 2147483620)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_85) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse10 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse9 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse12 (* 2 c_ULTIMATE.start_main_~y~0)) (.cse11 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse13 (* 2 v_ULTIMATE.start_main_~y~0_83))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ .cse9 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse10) (+ .cse9 .cse11 1)) (< (+ c_ULTIMATE.start_main_~y~0 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse10 c_ULTIMATE.start_main_~x~0 .cse12 .cse13) (+ .cse9 2147483620)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse12 .cse11 .cse13) 2147483617) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse14 (* 2 c_ULTIMATE.start_main_~y~0)) (.cse16 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse17 (* 2 v_ULTIMATE.start_main_~y~0_85)) (.cse18 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse19 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse15 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse14 .cse15 .cse16 .cse17) 2147483616) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse18 c_ULTIMATE.start_main_~x~0 .cse14 .cse16 .cse17) (+ .cse19 2147483619)) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse19 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse18) (+ .cse19 .cse15 1)) (< (+ c_ULTIMATE.start_main_~y~0 2) v_ULTIMATE.start_main_~y~0_85) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (<= c_ULTIMATE.start_main_~y~0 (div (+ .cse20 .cse21 (- 1)) 2)) (<= (+ c_ULTIMATE.start_main_~x~0 .cse22) 2147483646) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse23 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse26 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse24 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse25 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse23 .cse24 |c_ULTIMATE.start_main_#t~post6|) 2147483617) (< (+ |c_ULTIMATE.start_main_#t~post6| 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse25 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse26) (+ .cse25 .cse23 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse26 c_ULTIMATE.start_main_~x~0 .cse24 |c_ULTIMATE.start_main_#t~post6|) (+ .cse25 2147483620)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse28 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse27 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse30 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse29 (* 2 v_ULTIMATE.start_main_~y~0_83))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ .cse27 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse28 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse29) (+ .cse27 2147483621)) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse28) (+ .cse27 .cse30 1)) (< (+ c_ULTIMATE.start_main_~y~0 1) v_ULTIMATE.start_main_~y~0_83) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse30 .cse29) 2147483618)))) (<= c_ULTIMATE.start_main_~y~0 (+ (div (+ (div (+ .cse31 .cse21 2147483624) 2) .cse21 (- 1)) 2) 1)) (<= c_ULTIMATE.start_main_~y~0 (div (+ (div (+ .cse31 .cse21 2147483639) 2) (- 1)) 2)) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse33 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse34 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse32 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse32 |c_ULTIMATE.start_main_#t~post6|) 2147483618) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse33 c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) (+ .cse34 2147483621)) (<= (+ .cse34 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse33) (+ .cse34 .cse32 1)) (< (+ |c_ULTIMATE.start_main_#t~post6| 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_87 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse36 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse35 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse38 (* 2 v_ULTIMATE.start_main_~y~0_87)) (.cse37 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse39 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse40 (* 2 v_ULTIMATE.start_main_~y~0_85))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse35 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse36) (+ .cse35 .cse37 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse36 .cse38 c_ULTIMATE.start_main_~x~0 .cse39 .cse40) (+ .cse35 2147483619)) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse38 c_ULTIMATE.start_main_~x~0 .cse37 .cse39 .cse40) 2147483616) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_87) (< (+ v_ULTIMATE.start_main_~y~0_87 2) v_ULTIMATE.start_main_~y~0_85)))) (<= (+ c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) 2147483646) (<= .cse22 .cse41) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int)) (let ((.cse42 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97) c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0) (+ .cse42 2147483623)) (<= c_ULTIMATE.start_main_~y~0 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= (+ (* 2 aux_div_v_ULTIMATE.start_main_~y~0_79_97) c_ULTIMATE.start_main_~x~0 (* 2 c_ULTIMATE.start_main_~y~0)) 2147483621) (<= (+ .cse42 c_ULTIMATE.start_main_~y~0 4) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse43 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse45 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse44 (* 2 c_ULTIMATE.start_main_~y~0)) (.cse46 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse43 c_ULTIMATE.start_main_~x~0 .cse44) (+ .cse45 2147483621)) (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ c_ULTIMATE.start_main_~y~0 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ .cse45 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse43) (+ .cse45 .cse46 1)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse44 .cse46) 2147483618) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58 Int) (aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58 Int)) (let ((.cse47 (* 2 aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58))) (or (<= (+ |c_ULTIMATE.start_main_#t~post6| 1) aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58) (< aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58 0) (<= (+ (* 4 aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58) c_ULTIMATE.start_main_~x~0 .cse47 |c_ULTIMATE.start_main_#t~post6|) 2147483634) (<= 2147483637 (+ (* 5 aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58) c_ULTIMATE.start_main_~x~0 .cse47)) (<= 2 aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58)))) (<= (+ c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0) 2147483647) (<= .cse48 (div .cse41 2)) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int)) (let ((.cse49 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ |c_ULTIMATE.start_main_#t~post6| 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= (+ .cse49 |c_ULTIMATE.start_main_#t~post6| 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97) c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) (+ .cse49 2147483622)) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (<= (+ aux_div_v_ULTIMATE.start_main_~y~0_79_97 |c_ULTIMATE.start_main_#t~post6| 1) (div (+ (* c_ULTIMATE.start_main_~x~0 (- 1)) 2147483621) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse51 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse50 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse52 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ c_ULTIMATE.start_main_~y~0 1) v_ULTIMATE.start_main_~y~0_81) (<= (+ .cse50 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse51) (+ .cse50 .cse52 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse51 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0) (+ .cse50 2147483622)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse52) 2147483619)))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse54 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse53 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse55 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (<= (+ .cse53 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse54) (+ .cse53 .cse55 1)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_81) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse54 c_ULTIMATE.start_main_~x~0) (+ .cse53 2147483622)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse55) 2147483619) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse57 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse60 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse58 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse59 (* 2 v_ULTIMATE.start_main_~y~0_85)) (.cse56 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse56 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse57 .cse58 |c_ULTIMATE.start_main_#t~post6| .cse59) 2147483616) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse60) (+ .cse56 .cse57 1)) (< (+ |c_ULTIMATE.start_main_#t~post6| 2) v_ULTIMATE.start_main_~y~0_85) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse60 c_ULTIMATE.start_main_~x~0 .cse58 |c_ULTIMATE.start_main_#t~post6| .cse59) (+ .cse56 2147483619)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_87 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse63 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse66 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse62 (* 2 v_ULTIMATE.start_main_~y~0_87)) (.cse64 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse65 (* 2 v_ULTIMATE.start_main_~y~0_85)) (.cse61 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ c_ULTIMATE.start_main_~y~0 1) v_ULTIMATE.start_main_~y~0_87) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse61 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse62 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse63 .cse64 .cse65) 2147483616) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse66) (+ .cse61 .cse63 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse66 .cse62 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse64 .cse65) (+ .cse61 2147483619)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (< (+ v_ULTIMATE.start_main_~y~0_87 2) v_ULTIMATE.start_main_~y~0_85)))) (<= |c_ULTIMATE.start_main_#t~post6| (div (+ .cse20 .cse67 (- 4)) 2)) (<= |c_ULTIMATE.start_main_#t~post6| (div (+ .cse31 .cse67 2147483641) 2)) (<= .cse48 (div (+ .cse31 2147483646) 2)) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse69 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse68 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse70 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse68) 2147483619) (<= (+ .cse69 c_ULTIMATE.start_main_~x~0 (* 2 c_ULTIMATE.start_main_~y~0)) (+ .cse70 2147483622)) (<= (+ .cse69 c_ULTIMATE.start_main_~y~0) (+ .cse70 .cse68 1)) (<= (+ aux_div_v_ULTIMATE.start_main_~y~0_79_97 c_ULTIMATE.start_main_~y~0 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (<= (+ c_ULTIMATE.start_main_~y~0 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= (+ .cse70 c_ULTIMATE.start_main_~y~0 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int)) (let ((.cse73 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse72 (+ (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97) c_ULTIMATE.start_main_~x~0)) (.cse71 (* 2 aux_div_v_ULTIMATE.start_main_~y~0_79_97))) (or (<= 2147483623 (+ aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 .cse71 c_ULTIMATE.start_main_~x~0)) (<= .cse72 (+ .cse73 2147483623)) (<= |c_ULTIMATE.start_main_#t~post6| aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= (+ .cse73 |c_ULTIMATE.start_main_#t~post6| 4) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ .cse73 2147483627) .cse72) (<= (+ .cse71 c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) 2147483621) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse75 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse74 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse76 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse77 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse78 (* 2 v_ULTIMATE.start_main_~y~0_85))) (or (< (+ c_ULTIMATE.start_main_~y~0 1) v_ULTIMATE.start_main_~y~0_85) (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse74 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse75) (+ .cse74 .cse76 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse75 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse77 .cse78) (+ .cse74 2147483620)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~y~0 .cse76 .cse77 .cse78) 2147483617) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (<= c_ULTIMATE.start_main_~y~0 (div (+ .cse31 .cse21 2147483644) 2))))) is different from false [2020-12-09 11:21:33,164 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse24 (* |c_ULTIMATE.start_main_#t~post6| (- 1))) (.cse9 (+ |c_ULTIMATE.start_main_#t~post6| 1)) (.cse10 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (and (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse2 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse3 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse1 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse0 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ .cse0 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse1 .cse2) 2147483618) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse3) (+ .cse0 .cse2 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse3 c_ULTIMATE.start_main_~x~0 .cse1) (+ .cse0 2147483621)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_83)))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse4 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse8 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse5 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse6 (* 2 v_ULTIMATE.start_main_~y~0_85)) (.cse7 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse4 .cse5 .cse6) 2147483617) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse7 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse8) (+ .cse7 .cse4 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse8 c_ULTIMATE.start_main_~x~0 .cse5 .cse6) (+ .cse7 2147483620)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_85) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (<= .cse9 (div (+ (div (+ .cse10 2147483639) 2) 1) 2)) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int)) (let ((.cse11 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ |c_ULTIMATE.start_main_#t~post6| 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= (+ .cse11 |c_ULTIMATE.start_main_#t~post6| 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97) c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) (+ .cse11 2147483622)) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (<= (+ aux_div_v_ULTIMATE.start_main_~y~0_79_97 |c_ULTIMATE.start_main_#t~post6| 1) (div (+ (* c_ULTIMATE.start_main_~x~0 (- 1)) 2147483621) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse13 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse12 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse14 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (<= (+ .cse12 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse13) (+ .cse12 .cse14 1)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_81) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse13 c_ULTIMATE.start_main_~x~0) (+ .cse12 2147483622)) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse14) 2147483619) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse15 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse18 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse16 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse17 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse15 .cse16 |c_ULTIMATE.start_main_#t~post6|) 2147483617) (< (+ |c_ULTIMATE.start_main_#t~post6| 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse17 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse18) (+ .cse17 .cse15 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse18 c_ULTIMATE.start_main_~x~0 .cse16 |c_ULTIMATE.start_main_#t~post6|) (+ .cse17 2147483620)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse20 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse23 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse21 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse22 (* 2 v_ULTIMATE.start_main_~y~0_85)) (.cse19 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse19 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse20 .cse21 |c_ULTIMATE.start_main_#t~post6| .cse22) 2147483616) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse23) (+ .cse19 .cse20 1)) (< (+ |c_ULTIMATE.start_main_#t~post6| 2) v_ULTIMATE.start_main_~y~0_85) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse23 c_ULTIMATE.start_main_~x~0 .cse21 |c_ULTIMATE.start_main_#t~post6| .cse22) (+ .cse19 2147483619)) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (<= |c_ULTIMATE.start_main_#t~post6| (div (+ (div (+ .cse10 2147483634) 2) .cse24 (- 4)) 2)) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int)) (let ((.cse26 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse27 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse25 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (<= (+ v_ULTIMATE.start_main_~y~0_81 c_ULTIMATE.start_main_~x~0 .cse25 |c_ULTIMATE.start_main_#t~post6|) 2147483618) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse26 c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) (+ .cse27 2147483621)) (<= (+ .cse27 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse26) (+ .cse27 .cse25 1)) (< (+ |c_ULTIMATE.start_main_#t~post6| 2) v_ULTIMATE.start_main_~y~0_81) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (v_ULTIMATE.start_main_~y~0_81 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int) (v_ULTIMATE.start_main_~y~0_87 Int) (v_ULTIMATE.start_main_~y~0_83 Int) (aux_div_v_ULTIMATE.start_main_~x~0_110_63 Int) (v_ULTIMATE.start_main_~y~0_85 Int)) (let ((.cse29 (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97)) (.cse28 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse31 (* 2 v_ULTIMATE.start_main_~y~0_87)) (.cse30 (* 2 aux_div_v_ULTIMATE.start_main_~x~0_110_63)) (.cse32 (* 2 v_ULTIMATE.start_main_~y~0_83)) (.cse33 (* 2 v_ULTIMATE.start_main_~y~0_85))) (or (<= (+ v_ULTIMATE.start_main_~y~0_81 aux_div_v_ULTIMATE.start_main_~y~0_79_97 1) aux_div_v_ULTIMATE.start_main_~x~0_110_63) (< (+ v_ULTIMATE.start_main_~y~0_83 2) v_ULTIMATE.start_main_~y~0_81) (< (+ v_ULTIMATE.start_main_~y~0_85 2) v_ULTIMATE.start_main_~y~0_83) (<= (+ .cse28 v_ULTIMATE.start_main_~y~0_81 5) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse29) (+ .cse28 .cse30 1)) (<= (+ (* 2 v_ULTIMATE.start_main_~y~0_81) .cse29 .cse31 c_ULTIMATE.start_main_~x~0 .cse32 .cse33) (+ .cse28 2147483619)) (<= (+ v_ULTIMATE.start_main_~y~0_81 .cse31 c_ULTIMATE.start_main_~x~0 .cse30 .cse32 .cse33) 2147483616) (<= (+ v_ULTIMATE.start_main_~y~0_81 1) aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2)) (< (+ |c_ULTIMATE.start_main_#t~post6| 1) v_ULTIMATE.start_main_~y~0_87) (< (+ v_ULTIMATE.start_main_~y~0_87 2) v_ULTIMATE.start_main_~y~0_85)))) (<= (+ c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) 2147483646) (<= |c_ULTIMATE.start_main_#t~post6| (div (+ .cse10 .cse24 2147483641) 2)) (<= .cse9 (div (+ .cse10 2147483646) 2)) (forall ((aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58 Int) (aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58 Int)) (let ((.cse34 (* 2 aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58))) (or (<= (+ |c_ULTIMATE.start_main_#t~post6| 1) aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58) (< aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58 0) (<= (+ (* 4 aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58) c_ULTIMATE.start_main_~x~0 .cse34 |c_ULTIMATE.start_main_#t~post6|) 2147483634) (<= 2147483637 (+ (* 5 aux_div_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58) c_ULTIMATE.start_main_~x~0 .cse34)) (<= 2 aux_mod_aux_div_v_ULTIMATE.start_main_~y~0_77_97_58)))) (forall ((aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 Int) (aux_div_v_ULTIMATE.start_main_~y~0_79_97 Int)) (let ((.cse37 (* 2 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139)) (.cse36 (+ (* 3 aux_div_v_ULTIMATE.start_main_~y~0_79_97) c_ULTIMATE.start_main_~x~0)) (.cse35 (* 2 aux_div_v_ULTIMATE.start_main_~y~0_79_97))) (or (<= 2147483623 (+ aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139 .cse35 c_ULTIMATE.start_main_~x~0)) (<= .cse36 (+ .cse37 2147483623)) (<= |c_ULTIMATE.start_main_#t~post6| aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) (<= (+ .cse37 |c_ULTIMATE.start_main_#t~post6| 4) aux_div_v_ULTIMATE.start_main_~y~0_79_97) (<= (+ .cse37 2147483627) .cse36) (<= (+ .cse35 c_ULTIMATE.start_main_~x~0 |c_ULTIMATE.start_main_#t~post6|) 2147483621) (<= aux_div_v_ULTIMATE.start_main_~y~0_79_97 (+ (* 3 aux_div_aux_mod_v_ULTIMATE.start_main_~y~0_79_97_139) 2))))))) is different from false [2020-12-09 11:21:54,472 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-09 11:21:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-09 11:21:54,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:21:54,675 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 45 more [2020-12-09 11:21:54,684 INFO L168 Benchmark]: Toolchain (without parser) took 525710.00 ms. Allocated memory was 134.2 MB in the beginning and 195.0 MB in the end (delta: 60.8 MB). Free memory was 101.4 MB in the beginning and 140.1 MB in the end (delta: -38.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:54,685 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:21:54,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.93 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 110.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:54,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.67 ms. Allocated memory is still 134.2 MB. Free memory was 110.8 MB in the beginning and 109.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:54,688 INFO L168 Benchmark]: Boogie Preprocessor took 18.34 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 108.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:21:54,689 INFO L168 Benchmark]: RCFGBuilder took 265.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 92.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:54,691 INFO L168 Benchmark]: TraceAbstraction took 525214.80 ms. Allocated memory was 134.2 MB in the beginning and 195.0 MB in the end (delta: 60.8 MB). Free memory was 92.7 MB in the beginning and 140.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:54,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 175.93 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 110.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.67 ms. Allocated memory is still 134.2 MB. Free memory was 110.8 MB in the beginning and 109.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.34 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 108.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 265.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 92.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 525214.80 ms. Allocated memory was 134.2 MB in the beginning and 195.0 MB in the end (delta: 60.8 MB). Free memory was 92.7 MB in the beginning and 140.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...