./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b909ccf6f1c4cf06610031e778229605609d3376 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 03:07:46,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:07:46,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:07:46,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:07:46,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:07:46,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:07:46,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:07:46,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:07:46,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:07:46,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:07:46,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:07:46,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:07:46,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:07:46,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:07:46,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:07:46,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:07:46,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:07:46,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:07:46,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:07:46,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:07:46,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:07:46,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:07:46,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:07:46,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:07:46,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:07:46,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:07:46,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:07:46,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:07:46,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:07:46,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:07:46,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:07:46,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:07:46,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:07:46,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:07:46,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:07:46,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:07:46,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:07:46,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:07:46,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:07:46,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:07:46,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:07:46,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 03:07:46,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:07:46,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:07:46,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:07:46,302 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:07:46,302 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:07:46,302 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:07:46,302 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:07:46,303 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:07:46,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:07:46,303 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:07:46,303 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:07:46,303 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:07:46,304 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:07:46,304 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:07:46,304 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:07:46,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:07:46,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:07:46,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:07:46,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:07:46,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:07:46,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:07:46,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:07:46,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:07:46,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:07:46,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:07:46,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:07:46,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:07:46,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:07:46,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:07:46,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:07:46,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:07:46,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:07:46,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:07:46,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:07:46,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:07:46,309 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:07:46,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:07:46,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:07:46,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:07:46,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:07:46,310 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_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b909ccf6f1c4cf06610031e778229605609d3376 [2020-11-30 03:07:46,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:07:46,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:07:46,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:07:46,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:07:46,687 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:07:46,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2020-11-30 03:07:46,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/data/a608f8f58/0733ffc7124f48a79ec025cbdea8e97f/FLAGcc9121762 [2020-11-30 03:07:47,397 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:07:47,398 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2020-11-30 03:07:47,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/data/a608f8f58/0733ffc7124f48a79ec025cbdea8e97f/FLAGcc9121762 [2020-11-30 03:07:47,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/data/a608f8f58/0733ffc7124f48a79ec025cbdea8e97f [2020-11-30 03:07:47,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:07:47,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:07:47,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:07:47,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:07:47,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:07:47,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:07:47" (1/1) ... [2020-11-30 03:07:47,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:47, skipping insertion in model container [2020-11-30 03:07:47,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:07:47" (1/1) ... [2020-11-30 03:07:47,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:07:47,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:07:48,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:07:48,089 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:07:48,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:07:48,157 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:07:48,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48 WrapperNode [2020-11-30 03:07:48,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:07:48,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:07:48,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:07:48,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:07:48,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:07:48,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:07:48,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:07:48,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:07:48,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... [2020-11-30 03:07:48,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:07:48,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:07:48,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:07:48,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:07:48,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/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 [2020-11-30 03:07:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:07:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:07:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:07:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:07:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 03:07:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 03:07:48,933 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:07:48,933 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-30 03:07:48,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:07:48 BoogieIcfgContainer [2020-11-30 03:07:48,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:07:48,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:07:48,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:07:48,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:07:48,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:07:47" (1/3) ... [2020-11-30 03:07:48,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c85f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:07:48, skipping insertion in model container [2020-11-30 03:07:48,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:07:48" (2/3) ... [2020-11-30 03:07:48,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c85f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:07:48, skipping insertion in model container [2020-11-30 03:07:48,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:07:48" (3/3) ... [2020-11-30 03:07:48,947 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2020-11-30 03:07:48,960 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:07:48,965 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 03:07:49,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 03:07:49,085 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:07:49,086 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:07:49,086 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:07:49,086 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:07:49,086 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:07:49,087 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:07:49,087 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:07:49,087 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:07:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-11-30 03:07:49,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 03:07:49,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:49,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:49,111 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:49,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:49,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1727809338, now seen corresponding path program 1 times [2020-11-30 03:07:49,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:49,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399751579] [2020-11-30 03:07:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:49,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399751579] [2020-11-30 03:07:49,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:07:49,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:07:49,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588924214] [2020-11-30 03:07:49,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:07:49,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:07:49,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:07:49,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:07:49,373 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-11-30 03:07:49,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:07:49,410 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions. [2020-11-30 03:07:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:07:49,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-30 03:07:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:07:49,421 INFO L225 Difference]: With dead ends: 47 [2020-11-30 03:07:49,421 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 03:07:49,425 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 [2020-11-30 03:07:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 03:07:49,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-11-30 03:07:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-30 03:07:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-11-30 03:07:49,464 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 8 [2020-11-30 03:07:49,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:07:49,465 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-11-30 03:07:49,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:07:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-11-30 03:07:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 03:07:49,466 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:49,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:49,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 03:07:49,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:49,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:49,468 INFO L82 PathProgramCache]: Analyzing trace with hash -137363064, now seen corresponding path program 1 times [2020-11-30 03:07:49,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:49,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116201662] [2020-11-30 03:07:49,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:49,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116201662] [2020-11-30 03:07:49,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:07:49,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:07:49,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054507844] [2020-11-30 03:07:49,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:07:49,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:07:49,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:07:49,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:07:49,516 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 3 states. [2020-11-30 03:07:49,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:07:49,583 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2020-11-30 03:07:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:07:49,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-30 03:07:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:07:49,585 INFO L225 Difference]: With dead ends: 55 [2020-11-30 03:07:49,585 INFO L226 Difference]: Without dead ends: 34 [2020-11-30 03:07:49,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:07:49,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-11-30 03:07:49,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2020-11-30 03:07:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-30 03:07:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-11-30 03:07:49,593 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 9 [2020-11-30 03:07:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:07:49,594 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-11-30 03:07:49,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:07:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-11-30 03:07:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 03:07:49,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:49,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:49,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 03:07:49,595 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:49,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:49,596 INFO L82 PathProgramCache]: Analyzing trace with hash -212525757, now seen corresponding path program 1 times [2020-11-30 03:07:49,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:49,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060412828] [2020-11-30 03:07:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:49,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060412828] [2020-11-30 03:07:49,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:07:49,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 03:07:49,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025441923] [2020-11-30 03:07:49,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 03:07:49,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:07:49,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 03:07:49,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 03:07:49,658 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 4 states. [2020-11-30 03:07:49,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:07:49,706 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2020-11-30 03:07:49,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 03:07:49,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-30 03:07:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:07:49,708 INFO L225 Difference]: With dead ends: 48 [2020-11-30 03:07:49,708 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 03:07:49,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 03:07:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 03:07:49,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2020-11-30 03:07:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 03:07:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-11-30 03:07:49,716 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 9 [2020-11-30 03:07:49,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:07:49,717 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-11-30 03:07:49,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 03:07:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-11-30 03:07:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 03:07:49,717 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:49,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:49,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 03:07:49,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:49,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2070271698, now seen corresponding path program 1 times [2020-11-30 03:07:49,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:49,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591980820] [2020-11-30 03:07:49,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:49,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591980820] [2020-11-30 03:07:49,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:07:49,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:07:49,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960339041] [2020-11-30 03:07:49,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:07:49,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:07:49,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:07:49,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:07:49,790 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 3 states. [2020-11-30 03:07:49,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:07:49,854 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2020-11-30 03:07:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:07:49,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-30 03:07:49,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:07:49,856 INFO L225 Difference]: With dead ends: 51 [2020-11-30 03:07:49,857 INFO L226 Difference]: Without dead ends: 30 [2020-11-30 03:07:49,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:07:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-30 03:07:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-11-30 03:07:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-30 03:07:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-11-30 03:07:49,867 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 10 [2020-11-30 03:07:49,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:07:49,867 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-30 03:07:49,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:07:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-30 03:07:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 03:07:49,868 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:49,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:49,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 03:07:49,869 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:49,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:49,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1776890149, now seen corresponding path program 1 times [2020-11-30 03:07:49,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:49,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221494624] [2020-11-30 03:07:49,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:50,532 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 38 [2020-11-30 03:07:51,239 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 90 [2020-11-30 03:07:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:51,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221494624] [2020-11-30 03:07:51,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:07:51,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-30 03:07:51,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305324193] [2020-11-30 03:07:51,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 03:07:51,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:07:51,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 03:07:51,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-30 03:07:51,366 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2020-11-30 03:07:51,626 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2020-11-30 03:07:51,886 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 45 [2020-11-30 03:07:51,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:07:51,947 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-11-30 03:07:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 03:07:51,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-30 03:07:51,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:07:51,950 INFO L225 Difference]: With dead ends: 42 [2020-11-30 03:07:51,950 INFO L226 Difference]: Without dead ends: 26 [2020-11-30 03:07:51,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-11-30 03:07:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-30 03:07:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2020-11-30 03:07:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 03:07:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-11-30 03:07:51,956 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 15 [2020-11-30 03:07:51,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:07:51,956 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-11-30 03:07:51,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 03:07:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-30 03:07:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 03:07:51,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:51,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:51,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 03:07:51,961 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:51,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:51,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1490598269, now seen corresponding path program 1 times [2020-11-30 03:07:51,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:51,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227708783] [2020-11-30 03:07:51,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:52,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227708783] [2020-11-30 03:07:52,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:07:52,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 03:07:52,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31324370] [2020-11-30 03:07:52,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 03:07:52,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:07:52,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 03:07:52,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 03:07:52,046 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 6 states. [2020-11-30 03:07:52,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:07:52,180 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-11-30 03:07:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 03:07:52,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-30 03:07:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:07:52,182 INFO L225 Difference]: With dead ends: 39 [2020-11-30 03:07:52,182 INFO L226 Difference]: Without dead ends: 37 [2020-11-30 03:07:52,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-11-30 03:07:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-30 03:07:52,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 23. [2020-11-30 03:07:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 03:07:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-30 03:07:52,189 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2020-11-30 03:07:52,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:07:52,189 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-30 03:07:52,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 03:07:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-30 03:07:52,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 03:07:52,190 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:07:52,191 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:07:52,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 03:07:52,191 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:07:52,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:07:52,192 INFO L82 PathProgramCache]: Analyzing trace with hash -131677057, now seen corresponding path program 1 times [2020-11-30 03:07:52,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:07:52,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156798628] [2020-11-30 03:07:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:07:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:52,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156798628] [2020-11-30 03:07:52,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287446381] [2020-11-30 03:07:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/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 [2020-11-30 03:07:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:07:52,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 03:07:52,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:07:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:07:57,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:08:04,152 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 40 [2020-11-30 03:08:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:08:04,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-11-30 03:08:04,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 8] total 14 [2020-11-30 03:08:04,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618690240] [2020-11-30 03:08:04,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 03:08:04,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:08:04,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 03:08:04,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=120, Unknown=3, NotChecked=0, Total=182 [2020-11-30 03:08:04,424 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 6 states. [2020-11-30 03:08:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:08:09,355 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2020-11-30 03:08:09,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 03:08:09,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-11-30 03:08:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:08:09,357 INFO L225 Difference]: With dead ends: 36 [2020-11-30 03:08:09,357 INFO L226 Difference]: Without dead ends: 26 [2020-11-30 03:08:09,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=59, Invalid=120, Unknown=3, NotChecked=0, Total=182 [2020-11-30 03:08:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-30 03:08:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-30 03:08:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 03:08:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-11-30 03:08:09,362 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2020-11-30 03:08:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:08:09,363 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-11-30 03:08:09,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 03:08:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-11-30 03:08:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 03:08:09,363 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:08:09,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:08:09,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-30 03:08:09,565 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:08:09,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:08:09,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1793259320, now seen corresponding path program 1 times [2020-11-30 03:08:09,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:08:09,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654755444] [2020-11-30 03:08:09,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:08:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:08:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:08:09,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654755444] [2020-11-30 03:08:09,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843855855] [2020-11-30 03:08:09,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/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 [2020-11-30 03:08:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:08:10,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-30 03:08:10,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:08:25,372 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 27 [2020-11-30 03:08:31,787 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 26 [2020-11-30 03:08:31,850 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-11-30 03:08:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:08:31,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:08:37,249 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 03:08:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:08:46,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-11-30 03:08:46,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 11] total 20 [2020-11-30 03:08:46,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745540819] [2020-11-30 03:08:46,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 03:08:46,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:08:46,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 03:08:46,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=263, Unknown=4, NotChecked=0, Total=380 [2020-11-30 03:08:46,522 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 8 states. [2020-11-30 03:08:49,372 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 03:08:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:08:51,917 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-11-30 03:08:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 03:08:51,918 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-30 03:08:51,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:08:51,919 INFO L225 Difference]: With dead ends: 28 [2020-11-30 03:08:51,919 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 03:08:51,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=123, Invalid=292, Unknown=5, NotChecked=0, Total=420 [2020-11-30 03:08:51,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 03:08:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 03:08:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 03:08:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 03:08:51,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-30 03:08:51,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:08:51,920 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 03:08:51,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 03:08:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 03:08:51,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 03:08:52,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 03:08:52,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 03:08:52,373 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2020-11-30 03:08:57,032 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2020-11-30 03:09:16,282 WARN L193 SmtUtils]: Spent 19.23 s on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-30 03:09:16,319 INFO L274 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2020-11-30 03:09:16,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,319 INFO L270 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2020-11-30 03:09:16,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 03:09:16,319 INFO L270 CegarLoopResult]: At program point L119(lines 98 128) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse0 (<= (mod ULTIMATE.start_main_~main__index1~0 4294967296) (mod ULTIMATE.start_main_~main__index2~0 4294967296))) (.cse2 (= |ULTIMATE.start_main_~#main__array~0.offset| 0))) (or (and .cse0 (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) .cse1 .cse2) (let ((.cse8 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse9 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse11 (* 4294967296 .cse9)) (.cse10 (* 4294967296 .cse8))) (and (or (let ((.cse7 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse6 (select .cse7 (+ (* ULTIMATE.start_main_~main__index1~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse9 (- 17179869184))))) (.cse5 (select .cse7 (+ (* ULTIMATE.start_main_~main__index2~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse8 (- 17179869184)))))) (let ((.cse4 (+ .cse6 (* 4294967296 (div .cse5 4294967296)))) (.cse3 (+ .cse5 (* 4294967296 (div .cse6 4294967296))))) (and (<= .cse3 .cse4) (<= .cse4 .cse3))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse10) (+ ULTIMATE.start_main_~main__index2~0 .cse11))) (<= ULTIMATE.start_main_~main__index1~0 (+ .cse11 99999)) .cse1 (or .cse0 (forall ((aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 Int) (aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 Int)) (let ((.cse12 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57)) (.cse13 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57))) (or (< (+ ULTIMATE.start_main_~main__index2~0 1) .cse12) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse12) (+ ULTIMATE.start_main_~main__index2~0 .cse13 2)) (<= (+ .cse12 4294967295) ULTIMATE.start_main_~main__index2~0) (<= (+ .cse13 4294967297) ULTIMATE.start_main_~main__index1~0) (< ULTIMATE.start_main_~main__index1~0 (+ .cse13 1)))))) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse10 99999)) .cse2))))) [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L4-2(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L277 CegarLoopResult]: At program point L194(lines 14 196) the Hoare annotation is: true [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L4-4(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L4-6(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L270 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)) (= |ULTIMATE.start_main_~#main__array~0.offset| 0) (forall ((aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 Int) (aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 Int)) (let ((.cse1 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57)) (.cse2 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57))) (or (< (+ ULTIMATE.start_main_~main__index2~0 1) .cse1) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse1) (+ ULTIMATE.start_main_~main__index2~0 .cse2 2)) (<= (+ .cse1 4294967295) ULTIMATE.start_main_~main__index2~0) (<= (+ .cse2 4294967297) ULTIMATE.start_main_~main__index1~0) (< ULTIMATE.start_main_~main__index1~0 (+ .cse2 1))))))) [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,320 INFO L274 CegarLoopResult]: For program point L21(lines 21 195) no Hoare annotation was computed. [2020-11-30 03:09:16,321 INFO L270 CegarLoopResult]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse4 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (let ((.cse0 (<= (+ ULTIMATE.start_main_~main__index1~0 .cse4 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296))))) (.cse1 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse2 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse4 99999))) (.cse3 (= |ULTIMATE.start_main_~#main__array~0.offset| 0))) (or (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) .cse1 (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~1 0)) .cse2 .cse3)))) [2020-11-30 03:09:16,321 INFO L274 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2020-11-30 03:09:16,321 INFO L270 CegarLoopResult]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~main__loop_entered~0 0) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)) (= |ULTIMATE.start_main_~#main__array~0.offset| 0))) [2020-11-30 03:09:16,321 INFO L274 CegarLoopResult]: For program point L97(lines 97 132) no Hoare annotation was computed. [2020-11-30 03:09:16,321 INFO L274 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2020-11-30 03:09:16,321 INFO L270 CegarLoopResult]: At program point L172(lines 26 185) the Hoare annotation is: (and (forall ((aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57 Int) (aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57 Int)) (let ((.cse0 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57)) (.cse1 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57))) (or (<= (+ .cse0 4294967295) ULTIMATE.start_main_~main__index2~0) (< (+ ULTIMATE.start_main_~main__index2~0 1) .cse0) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0) (+ ULTIMATE.start_main_~main__index2~0 .cse1 2)) (< ULTIMATE.start_main_~main__index1~0 (+ .cse1 1)) (<= (+ .cse1 4294967297) ULTIMATE.start_main_~main__index1~0)))) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (= |ULTIMATE.start_main_~#main__array~0.offset| 0)) [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L277 CegarLoopResult]: At program point L131(lines 97 132) the Hoare annotation is: true [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L156(lines 156 184) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L24(lines 24 190) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L107(lines 107 120) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 03:09:16,322 INFO L274 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2020-11-30 03:09:16,323 INFO L274 CegarLoopResult]: For program point L158(lines 158 179) no Hoare annotation was computed. [2020-11-30 03:09:16,323 INFO L270 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2020-11-30 03:09:16,323 INFO L274 CegarLoopResult]: For program point L26(lines 26 185) no Hoare annotation was computed. [2020-11-30 03:09:16,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 03:09:16,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:09:16 BoogieIcfgContainer [2020-11-30 03:09:16,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:09:16,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:09:16,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:09:16,367 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:09:16,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:07:48" (3/4) ... [2020-11-30 03:09:16,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 03:09:16,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-11-30 03:09:16,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 03:09:16,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:09:16,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:09:16,458 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b9d08e0-b6c7-4bb0-b005-e9e74faa21ad/bin/utaipan/witness.graphml [2020-11-30 03:09:16,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:09:16,460 INFO L168 Benchmark]: Toolchain (without parser) took 88729.81 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 50.8 MB in the beginning and 55.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,460 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:09:16,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.71 ms. Allocated memory is still 81.8 MB. Free memory was 50.6 MB in the beginning and 59.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.90 ms. Allocated memory is still 81.8 MB. Free memory was 59.2 MB in the beginning and 57.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,462 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 ms. Allocated memory is still 81.8 MB. Free memory was 57.4 MB in the beginning and 56.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,462 INFO L168 Benchmark]: RCFGBuilder took 695.25 ms. Allocated memory is still 81.8 MB. Free memory was 56.0 MB in the beginning and 34.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,463 INFO L168 Benchmark]: TraceAbstraction took 87428.06 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 33.7 MB in the beginning and 59.6 MB in the end (delta: -25.9 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,463 INFO L168 Benchmark]: Witness Printer took 92.43 ms. Allocated memory is still 123.7 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 03:09:16,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 408.71 ms. Allocated memory is still 81.8 MB. Free memory was 50.6 MB in the beginning and 59.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.90 ms. Allocated memory is still 81.8 MB. Free memory was 59.2 MB in the beginning and 57.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.46 ms. Allocated memory is still 81.8 MB. Free memory was 57.4 MB in the beginning and 56.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 695.25 ms. Allocated memory is still 81.8 MB. Free memory was 56.0 MB in the beginning and 34.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 87428.06 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 33.7 MB in the beginning and 59.6 MB in the end (delta: -25.9 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 92.43 ms. Allocated memory is still 123.7 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__array == 0) || (((((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__array == 0) - InvariantResult [Line: 26]: Loop Invariant [2020-11-30 03:09:16,479 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] [2020-11-30 03:09:16,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57,QUANTIFIED] Derived loop invariant: (((forall aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57 : int, aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57 : int :: (((4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57 + 4294967295 <= main__index2 || main__index2 + 1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57) || main__index1 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_28_57 <= main__index2 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57 + 2) || main__index1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57 + 1) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_28_57 + 4294967297 <= main__index1) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && main__array == 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 98]: Loop Invariant [2020-11-30 03:09:16,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,485 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,485 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:09:16,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((main__index1 % 4294967296 <= main__index2 % 4294967296 && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && main__array == 0) || (((((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296)) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && (main__index1 % 4294967296 <= main__index2 % 4294967296 || (forall aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 : int, aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 : int :: (((main__index2 + 1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 || main__index1 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 <= main__index2 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 2) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 + 4294967295 <= main__index2) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 4294967297 <= main__index1) || main__index1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 1))) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__array == 0) - InvariantResult [Line: 62]: Loop Invariant [2020-11-30 03:09:16,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57,QUANTIFIED] [2020-11-30 03:09:16,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 03:09:16,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] Derived loop invariant: ((((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__array == 0) && (forall aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 : int, aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 : int :: (((main__index2 + 1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 || main__index1 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 <= main__index2 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 2) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_32_57 + 4294967295 <= main__index2) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 4294967297 <= main__index1) || main__index1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 1) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__loop_entered == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__array == 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.0s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 218 SDslu, 201 SDs, 0 SdLazy, 166 SolverSat, 25 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 71 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 51.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 21 NumberOfFragments, 491 HoareAnnotationTreeSize, 9 FomulaSimplifications, 1193 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 430 FormulaSimplificationTreeSizeReductionInter, 24.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 50.1s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 184 ConstructedInterpolants, 22 QuantifiedInterpolants, 94481 SizeOfPredicates, 6 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 17/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...