./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.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_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/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 f0a64e192e0bbeec977baf2f66a916968f631543 ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/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 f0a64e192e0bbeec977baf2f66a916968f631543 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:47:43,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:47:43,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:47:43,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:47:43,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:47:43,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:47:43,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:47:43,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:47:43,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:47:43,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:47:43,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:47:43,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:47:43,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:47:43,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:47:43,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:47:43,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:47:43,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:47:43,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:47:43,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:47:43,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:47:43,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:47:43,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:47:43,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:47:43,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:47:43,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:47:43,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:47:43,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:47:43,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:47:43,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:47:43,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:47:43,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:47:43,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:47:43,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:47:43,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:47:43,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:47:43,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:47:43,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:47:43,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:47:43,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:47:43,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:47:43,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:47:43,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 01:47:43,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:47:43,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:47:43,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:47:43,938 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:47:43,939 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:47:43,939 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:47:43,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:47:43,939 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:47:43,939 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:47:43,940 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:47:43,941 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:47:43,941 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:47:43,941 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:47:43,941 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:47:43,941 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:47:43,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:47:43,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:47:43,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:47:43,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:47:43,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:47:43,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:47:43,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:47:43,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:47:43,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:47:43,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:47:43,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:47:43,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:47:43,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:47:43,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:47:43,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:47:43,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:47:43,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:47:43,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:47:43,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:47:43,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:47:43,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:47:43,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:47:43,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:47:43,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:47:43,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:47:43,948 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_2bc38278-18ca-417d-9df7-22840d2d5025/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a64e192e0bbeec977baf2f66a916968f631543 [2020-11-30 01:47:44,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:47:44,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:47:44,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:47:44,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:47:44,231 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:47:44,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-11-30 01:47:44,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/368ccb1f8/67f298814c144a0b9499c9e4ff4d5743/FLAGf92724454 [2020-11-30 01:47:44,797 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:47:44,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-11-30 01:47:44,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/368ccb1f8/67f298814c144a0b9499c9e4ff4d5743/FLAGf92724454 [2020-11-30 01:47:45,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/368ccb1f8/67f298814c144a0b9499c9e4ff4d5743 [2020-11-30 01:47:45,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:47:45,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:47:45,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:45,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:47:45,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:47:45,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8994ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45, skipping insertion in model container [2020-11-30 01:47:45,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:47:45,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:47:45,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:45,423 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:47:45,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:45,475 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:47:45,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45 WrapperNode [2020-11-30 01:47:45,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:45,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:47:45,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:47:45,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:47:45,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:47:45,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:47:45,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:47:45,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:47:45,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... [2020-11-30 01:47:45,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:47:45,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:47:45,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:47:45,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:47:45,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/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 01:47:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:47:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:47:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:47:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:47:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:47:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:47:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:47:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:47:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 01:47:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:47:46,336 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:47:46,336 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 01:47:46,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:47:46 BoogieIcfgContainer [2020-11-30 01:47:46,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:47:46,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:47:46,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:47:46,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:47:46,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:47:45" (1/3) ... [2020-11-30 01:47:46,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e753e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:47:46, skipping insertion in model container [2020-11-30 01:47:46,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:45" (2/3) ... [2020-11-30 01:47:46,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e753e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:47:46, skipping insertion in model container [2020-11-30 01:47:46,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:47:46" (3/3) ... [2020-11-30 01:47:46,346 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2020-11-30 01:47:46,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:47:46,361 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:47:46,372 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:47:46,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:47:46,394 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:47:46,394 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:47:46,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:47:46,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:47:46,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:47:46,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:47:46,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:47:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 01:47:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:47:46,412 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:46,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:46,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:46,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:46,419 INFO L82 PathProgramCache]: Analyzing trace with hash 371574944, now seen corresponding path program 1 times [2020-11-30 01:47:46,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:47:46,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141744154] [2020-11-30 01:47:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:47:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:46,573 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 01:47:46,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141744154] [2020-11-30 01:47:46,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:47:46,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:47:46,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916863826] [2020-11-30 01:47:46,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:47:46,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:47:46,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:47:46,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:47:46,595 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-30 01:47:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:46,652 INFO L93 Difference]: Finished difference Result 41 states and 61 transitions. [2020-11-30 01:47:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:47:46,653 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-30 01:47:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:46,682 INFO L225 Difference]: With dead ends: 41 [2020-11-30 01:47:46,682 INFO L226 Difference]: Without dead ends: 19 [2020-11-30 01:47:46,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:47:46,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-30 01:47:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 01:47:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 01:47:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2020-11-30 01:47:46,728 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2020-11-30 01:47:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:46,729 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 01:47:46,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:47:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-11-30 01:47:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:47:46,729 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:46,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:46,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:47:46,730 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:46,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:46,731 INFO L82 PathProgramCache]: Analyzing trace with hash 762721501, now seen corresponding path program 1 times [2020-11-30 01:47:46,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:47:46,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027880822] [2020-11-30 01:47:46,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:47:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:47:46,798 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:47:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:47:46,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:47:46,896 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 01:47:46,897 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:47:46,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:47:46,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:47:46 BoogieIcfgContainer [2020-11-30 01:47:46,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:47:46,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:47:46,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:47:46,946 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:47:46,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:47:46" (3/4) ... [2020-11-30 01:47:46,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:47:46,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:47:46,954 INFO L168 Benchmark]: Toolchain (without parser) took 1793.54 ms. Allocated memory is still 109.1 MB. Free memory was 77.6 MB in the beginning and 70.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:46,954 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory is still 34.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:47:46,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.55 ms. Allocated memory is still 109.1 MB. Free memory was 77.4 MB in the beginning and 83.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:46,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.33 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 81.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:46,958 INFO L168 Benchmark]: Boogie Preprocessor took 74.62 ms. Allocated memory is still 109.1 MB. Free memory was 81.5 MB in the beginning and 79.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:46,958 INFO L168 Benchmark]: RCFGBuilder took 709.28 ms. Allocated memory is still 109.1 MB. Free memory was 79.7 MB in the beginning and 46.2 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:46,959 INFO L168 Benchmark]: TraceAbstraction took 605.60 ms. Allocated memory is still 109.1 MB. Free memory was 45.8 MB in the beginning and 70.7 MB in the end (delta: -24.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:47:46,960 INFO L168 Benchmark]: Witness Printer took 4.48 ms. Allocated memory is still 109.1 MB. Free memory is still 70.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:47:46,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory is still 34.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.55 ms. Allocated memory is still 109.1 MB. Free memory was 77.4 MB in the beginning and 83.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.33 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 81.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.62 ms. Allocated memory is still 109.1 MB. Free memory was 81.5 MB in the beginning and 79.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 709.28 ms. Allocated memory is still 109.1 MB. Free memory was 79.7 MB in the beginning and 46.2 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 605.60 ms. Allocated memory is still 109.1 MB. Free memory was 45.8 MB in the beginning and 70.7 MB in the end (delta: -24.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.48 ms. Allocated memory is still 109.1 MB. Free memory is still 70.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L128] float x = -1.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L68] COND TRUE ix >= 0x50800000 [L69] COND FALSE !(((ix) > 0x7f800000L)) [L71] COND FALSE !(hx > 0) [L74] EXPR atanhi_atan[3] [L74] EXPR atanlo_atan[3] [L74] return -atanhi_atan[3] - atanlo_atan[3]; [L129] float res = atan_float(x); [L131] COND TRUE res != -pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L3] __assert_fail("0", "float_req_bl_0621b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:47:49,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:47:49,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:47:49,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:47:49,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:47:49,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:47:49,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:47:49,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:47:49,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:47:49,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:47:49,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:47:49,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:47:49,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:47:49,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:47:49,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:47:49,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:47:49,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:47:49,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:47:49,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:47:49,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:47:49,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:47:49,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:47:49,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:47:49,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:47:49,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:47:49,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:47:49,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:47:49,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:47:49,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:47:49,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:47:49,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:47:49,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:47:49,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:47:49,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:47:49,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:47:49,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:47:49,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:47:49,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:47:49,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:47:49,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:47:49,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:47:49,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 01:47:49,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:47:49,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:47:49,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:47:49,507 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:47:49,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:47:49,507 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:47:49,508 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:47:49,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:47:49,508 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:47:49,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:47:49,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:47:49,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:47:49,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:47:49,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:47:49,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:47:49,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:47:49,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:47:49,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:47:49,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:47:49,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:47:49,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:47:49,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:47:49,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:47:49,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:47:49,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:47:49,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:47:49,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:47:49,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:47:49,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:47:49,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:47:49,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:47:49,515 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:47:49,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:47:49,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:47:49,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:47:49,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:47:49,517 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_2bc38278-18ca-417d-9df7-22840d2d5025/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a64e192e0bbeec977baf2f66a916968f631543 [2020-11-30 01:47:49,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:47:49,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:47:49,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:47:49,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:47:49,925 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:47:49,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-11-30 01:47:50,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/50495fc84/7f13116051c9463aa6572f03ad0236f6/FLAG86e75a0ca [2020-11-30 01:47:50,573 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:47:50,574 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-11-30 01:47:50,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/50495fc84/7f13116051c9463aa6572f03ad0236f6/FLAG86e75a0ca [2020-11-30 01:47:50,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/data/50495fc84/7f13116051c9463aa6572f03ad0236f6 [2020-11-30 01:47:50,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:47:50,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:47:50,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:50,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:47:50,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:47:50,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:50" (1/1) ... [2020-11-30 01:47:50,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d33d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:50, skipping insertion in model container [2020-11-30 01:47:50,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:50" (1/1) ... [2020-11-30 01:47:50,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:47:50,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:47:51,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:51,279 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:47:51,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:51,355 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:47:51,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51 WrapperNode [2020-11-30 01:47:51,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:51,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:47:51,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:47:51,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:47:51,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:47:51,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:47:51,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:47:51,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:47:51,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... [2020-11-30 01:47:51,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:47:51,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:47:51,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:47:51,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:47:51,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/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 01:47:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 01:47:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:47:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:47:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 01:47:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:47:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:47:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:47:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 01:47:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:47:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:48:00,756 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:48:00,757 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 01:48:00,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:48:00 BoogieIcfgContainer [2020-11-30 01:48:00,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:48:00,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:48:00,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:48:00,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:48:00,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:47:50" (1/3) ... [2020-11-30 01:48:00,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7625b9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:48:00, skipping insertion in model container [2020-11-30 01:48:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:51" (2/3) ... [2020-11-30 01:48:00,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7625b9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:48:00, skipping insertion in model container [2020-11-30 01:48:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:48:00" (3/3) ... [2020-11-30 01:48:00,774 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2020-11-30 01:48:00,785 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:48:00,790 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:48:00,802 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:48:00,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:48:00,843 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:48:00,844 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:48:00,844 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:48:00,844 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:48:00,844 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:48:00,844 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:48:00,844 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:48:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-30 01:48:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:48:00,865 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:48:00,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:48:00,866 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:48:00,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:48:00,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1906423550, now seen corresponding path program 1 times [2020-11-30 01:48:00,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:48:00,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631070652] [2020-11-30 01:48:00,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:48:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:48:01,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:48:01,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:01,931 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 01:48:01,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:48:01,935 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 01:48:01,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631070652] [2020-11-30 01:48:01,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:48:01,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:48:01,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811761721] [2020-11-30 01:48:01,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:48:01,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:48:01,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:48:01,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:48:01,957 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-30 01:48:01,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:48:01,974 INFO L93 Difference]: Finished difference Result 63 states and 97 transitions. [2020-11-30 01:48:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:48:01,976 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 01:48:01,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:48:01,985 INFO L225 Difference]: With dead ends: 63 [2020-11-30 01:48:01,985 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 01:48:01,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:48:02,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 01:48:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 01:48:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 01:48:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-30 01:48:02,022 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 9 [2020-11-30 01:48:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:48:02,022 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-30 01:48:02,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:48:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-30 01:48:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:48:02,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:48:02,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:48:02,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:48:02,237 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:48:02,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:48:02,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1481927263, now seen corresponding path program 1 times [2020-11-30 01:48:02,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:48:02,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829452381] [2020-11-30 01:48:02,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 01:48:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:48:03,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:48:03,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:03,380 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 01:48:03,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:48:03,513 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 01:48:03,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829452381] [2020-11-30 01:48:03,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:48:03,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-30 01:48:03,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132208588] [2020-11-30 01:48:03,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:48:03,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:48:03,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:48:03,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:48:03,520 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 8 states. [2020-11-30 01:48:03,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:48:03,832 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2020-11-30 01:48:03,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:48:03,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-30 01:48:03,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:48:03,838 INFO L225 Difference]: With dead ends: 33 [2020-11-30 01:48:03,839 INFO L226 Difference]: Without dead ends: 12 [2020-11-30 01:48:03,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:48:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-30 01:48:03,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-30 01:48:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-30 01:48:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-30 01:48:03,843 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-11-30 01:48:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:48:03,843 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-30 01:48:03,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:48:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-30 01:48:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:48:03,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:48:03,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:48:04,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:48:04,054 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:48:04,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:48:04,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1305344773, now seen corresponding path program 1 times [2020-11-30 01:48:04,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:48:04,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621756476] [2020-11-30 01:48:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 01:48:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:48:05,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-30 01:48:05,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:05,938 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-11-30 01:48:05,939 INFO L350 Elim1Store]: treesize reduction 339, result has 16.7 percent of original size [2020-11-30 01:48:05,940 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 738 treesize of output 752 [2020-11-30 01:48:05,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-11-30 01:48:05,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,966 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 2, 2, 2, 5, 2, 3, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 01:48:05,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,972 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 01:48:05,973 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,975 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 01:48:05,975 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,977 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 01:48:05,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,978 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 1] term [2020-11-30 01:48:05,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 01:48:05,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 01:48:05,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:05,995 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 01:48:05,999 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:06,001 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 2, 1] term [2020-11-30 01:48:06,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:06,007 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 2, 1] term [2020-11-30 01:48:06,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:06,008 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 01:48:06,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:06,011 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 01:48:06,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:06,019 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:07,142 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 156 DAG size of output: 110 [2020-11-30 01:48:07,144 INFO L625 ElimStorePlain]: treesize reduction 2434, result has 8.3 percent of original size [2020-11-30 01:48:07,163 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,170 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,174 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,178 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,184 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,188 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,193 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,196 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,199 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:07,199 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:200, output treesize:219 [2020-11-30 01:48:07,205 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,209 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,211 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,214 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,219 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,222 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,228 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,230 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,379 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,383 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,386 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,389 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,395 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,398 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,402 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,404 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,605 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,609 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,611 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,614 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,619 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,622 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,628 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,631 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,637 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,639 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,647 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,652 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,655 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,659 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,663 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,670 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,675 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,682 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,692 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,695 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,698 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,704 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,707 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,711 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,713 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,720 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,724 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,728 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,734 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,736 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,740 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,745 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,747 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,752 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,755 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,758 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,762 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,766 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,768 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,777 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,781 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,786 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,791 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,793 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,795 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,801 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,806 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,814 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:07,816 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:08,329 INFO L244 Elim1Store]: Index analysis took 416 ms [2020-11-30 01:48:08,595 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-30 01:48:08,596 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:08,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 43 treesize of output 179 [2020-11-30 01:48:08,608 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:08,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:08,905 INFO L244 Elim1Store]: Index analysis took 239 ms [2020-11-30 01:48:09,079 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:09,080 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:09,080 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:09,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:09,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:09,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:09,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:09,106 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:09,376 INFO L244 Elim1Store]: Index analysis took 219 ms [2020-11-30 01:48:09,502 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:09,503 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:09,503 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:09,506 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:09,517 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:09,518 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:09,519 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:09,535 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:09,801 INFO L244 Elim1Store]: Index analysis took 216 ms [2020-11-30 01:48:09,905 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:09,905 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:09,906 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:09,907 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:10,219 INFO L244 Elim1Store]: Index analysis took 226 ms [2020-11-30 01:48:10,357 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:10,357 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:10,357 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:10,359 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:10,566 INFO L244 Elim1Store]: Index analysis took 174 ms [2020-11-30 01:48:10,700 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:10,701 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:10,701 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:10,703 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:10,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:10,889 INFO L244 Elim1Store]: Index analysis took 122 ms [2020-11-30 01:48:11,056 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:11,056 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:11,057 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:11,059 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:11,060 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:11,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:11,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:11,065 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:13,427 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2020-11-30 01:48:13,428 INFO L625 ElimStorePlain]: treesize reduction 470, result has 68.0 percent of original size [2020-11-30 01:48:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:13,615 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:48:13,623 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:13,624 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 01:48:13,625 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:13,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:13,789 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:48:13,796 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:13,797 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 01:48:13,798 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:13,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:13,974 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:48:14,027 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:14,027 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 01:48:14,028 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:14,196 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:48:14,203 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:14,204 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 01:48:14,206 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:14,336 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:48:14,346 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:14,347 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 01:48:14,348 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:16,474 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2020-11-30 01:48:16,475 INFO L625 ElimStorePlain]: treesize reduction 90, result has 91.6 percent of original size [2020-11-30 01:48:16,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621756476] [2020-11-30 01:48:16,480 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 01:48:16,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2071090868] [2020-11-30 01:48:16,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:48:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:48:22,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 01:48:22,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:23,117 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2020-11-30 01:48:23,117 INFO L350 Elim1Store]: treesize reduction 355, result has 16.1 percent of original size [2020-11-30 01:48:23,118 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 982 treesize of output 964 [2020-11-30 01:48:23,119 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 01:48:23,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,120 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 2, 2, 5, 1] term [2020-11-30 01:48:23,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,121 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 5, 1] term [2020-11-30 01:48:23,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,122 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-11-30 01:48:23,122 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,123 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-11-30 01:48:23,123 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,124 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 01:48:23,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,125 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 01:48:23,125 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,126 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 01:48:23,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,135 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 01:48:23,136 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,141 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:23,799 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2020-11-30 01:48:23,804 INFO L625 ElimStorePlain]: treesize reduction 1710, result has 8.7 percent of original size [2020-11-30 01:48:23,807 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,809 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,810 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,812 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,814 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,815 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,817 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,819 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,821 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:23,821 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:140, output treesize:163 [2020-11-30 01:48:23,824 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,826 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,827 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,828 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,830 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,832 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,834 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:23,835 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,011 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-30 01:48:24,021 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,024 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,025 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,027 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,031 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,034 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,036 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,038 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,246 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,249 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,252 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,253 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,256 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,258 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,260 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,262 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,264 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,266 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,269 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,271 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,273 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,280 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,282 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,284 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,286 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,288 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,290 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,292 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 01:48:24,466 INFO L244 Elim1Store]: Index analysis took 133 ms [2020-11-30 01:48:24,579 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:24,580 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:24,580 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:24,581 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:24,787 INFO L244 Elim1Store]: Index analysis took 178 ms [2020-11-30 01:48:24,914 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:24,915 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:24,915 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:24,917 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:25,094 INFO L244 Elim1Store]: Index analysis took 133 ms [2020-11-30 01:48:25,195 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:25,196 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:25,197 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:25,428 INFO L244 Elim1Store]: Index analysis took 184 ms [2020-11-30 01:48:25,592 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:25,592 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:25,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:25,594 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:25,873 INFO L244 Elim1Store]: Index analysis took 233 ms [2020-11-30 01:48:26,052 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-30 01:48:26,052 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:26,053 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 43 treesize of output 179 [2020-11-30 01:48:26,055 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:26,056 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:26,056 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:26,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:26,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:26,075 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:26,239 INFO L244 Elim1Store]: Index analysis took 135 ms [2020-11-30 01:48:26,339 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:26,340 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:26,341 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:26,528 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 01:48:26,528 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:26,528 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 01:48:26,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:26,541 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:26,543 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:26,544 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:26,547 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:29,501 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2020-11-30 01:48:29,503 INFO L625 ElimStorePlain]: treesize reduction 328, result has 68.7 percent of original size [2020-11-30 01:48:29,549 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 01:48:29,550 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:29,626 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 01:48:29,626 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:29,718 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 01:48:29,719 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:29,809 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 01:48:29,810 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:29,858 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 01:48:29,859 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:30,736 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-30 01:48:30,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:30,739 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 01:48:30,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653996381] [2020-11-30 01:48:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bc38278-18ca-417d-9df7-22840d2d5025/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:48:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:48:30,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-30 01:48:30,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:31,332 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 33 [2020-11-30 01:48:31,332 INFO L350 Elim1Store]: treesize reduction 355, result has 14.5 percent of original size [2020-11-30 01:48:31,333 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 400 treesize of output 424 [2020-11-30 01:48:31,337 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:31,791 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2020-11-30 01:48:31,791 INFO L625 ElimStorePlain]: treesize reduction 325, result has 31.6 percent of original size [2020-11-30 01:48:31,793 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,809 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,810 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,811 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,813 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,814 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,816 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,817 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,818 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:31,818 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:123, output treesize:150 [2020-11-30 01:48:31,820 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,821 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,822 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,823 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,825 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,826 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,827 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,828 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,965 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,967 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,968 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,970 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,972 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,973 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,974 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:31,976 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,198 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,200 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,201 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,204 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,214 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,216 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,217 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,219 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,221 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,223 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,224 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,226 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,227 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,229 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,230 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,231 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,233 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,234 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,236 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,238 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 01:48:32,403 INFO L244 Elim1Store]: Index analysis took 126 ms [2020-11-30 01:48:32,539 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 01:48:32,539 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:32,540 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 40 treesize of output 154 [2020-11-30 01:48:32,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:32,543 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:32,544 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:32,544 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:32,551 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:32,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:32,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-11-30 01:48:32,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-11-30 01:48:32,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-30 01:48:32,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:32,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:32,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:32,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:32,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:32,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:32,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:32,591 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:32,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:32,594 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:48:32,748 INFO L244 Elim1Store]: Index analysis took 131 ms [2020-11-30 01:48:32,905 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 01:48:32,906 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:32,906 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 40 treesize of output 154 [2020-11-30 01:48:32,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:32,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:32,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:32,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:32,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:32,914 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:33,115 INFO L244 Elim1Store]: Index analysis took 142 ms [2020-11-30 01:48:33,257 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 01:48:33,258 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:33,258 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 40 treesize of output 154 [2020-11-30 01:48:33,259 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:33,470 INFO L244 Elim1Store]: Index analysis took 171 ms [2020-11-30 01:48:33,644 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 01:48:33,644 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:33,645 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 38 treesize of output 152 [2020-11-30 01:48:33,647 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:33,647 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:33,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:33,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:33,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:33,652 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:33,822 INFO L244 Elim1Store]: Index analysis took 131 ms [2020-11-30 01:48:34,037 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 01:48:34,038 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:34,038 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 38 treesize of output 152 [2020-11-30 01:48:34,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:34,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:34,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:34,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:34,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:34,064 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:34,228 INFO L244 Elim1Store]: Index analysis took 141 ms [2020-11-30 01:48:34,364 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 01:48:34,364 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:34,365 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 38 treesize of output 152 [2020-11-30 01:48:34,365 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:34,748 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-30 01:48:34,748 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:34,749 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 43 treesize of output 211 [2020-11-30 01:48:34,750 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-30 01:48:34,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:48:34,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:48:34,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:48:34,757 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:34,757 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:34,788 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:36,276 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 129 DAG size of output: 92 [2020-11-30 01:48:36,277 INFO L625 ElimStorePlain]: treesize reduction 441, result has 59.9 percent of original size [2020-11-30 01:48:36,345 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:36,346 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 01:48:36,346 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:36,409 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:36,409 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 01:48:36,410 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:36,512 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:36,513 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 01:48:36,513 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:36,579 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:36,579 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 01:48:36,580 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:36,632 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:36,632 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 01:48:36,633 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:37,859 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-11-30 01:48:37,860 INFO L625 ElimStorePlain]: treesize reduction 140, result has 82.1 percent of original size [2020-11-30 01:48:37,862 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 01:48:37,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:48:37,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-30 01:48:37,862 ERROR L205 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2020-11-30 01:48:37,862 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:48:38,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:48:38,485 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-30 01:48:38,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:48:38 BoogieIcfgContainer [2020-11-30 01:48:38,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:48:38,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:48:38,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:48:38,487 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:48:38,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:48:00" (3/4) ... [2020-11-30 01:48:38,492 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:48:38,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:48:38,493 INFO L168 Benchmark]: Toolchain (without parser) took 47577.98 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 48.2 MB in the beginning and 40.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:48:38,494 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:48:38,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.42 ms. Allocated memory is still 71.3 MB. Free memory was 48.0 MB in the beginning and 50.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:48:38,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.84 ms. Allocated memory is still 71.3 MB. Free memory was 50.8 MB in the beginning and 48.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:48:38,495 INFO L168 Benchmark]: Boogie Preprocessor took 67.48 ms. Allocated memory is still 71.3 MB. Free memory was 48.5 MB in the beginning and 46.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:48:38,495 INFO L168 Benchmark]: RCFGBuilder took 9277.32 ms. Allocated memory is still 71.3 MB. Free memory was 46.4 MB in the beginning and 38.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:48:38,497 INFO L168 Benchmark]: TraceAbstraction took 37723.51 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 40.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:48:38,497 INFO L168 Benchmark]: Witness Printer took 6.34 ms. Allocated memory is still 86.0 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:48:38,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.42 ms. Allocated memory is still 71.3 MB. Free memory was 48.0 MB in the beginning and 50.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.84 ms. Allocated memory is still 71.3 MB. Free memory was 50.8 MB in the beginning and 48.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.48 ms. Allocated memory is still 71.3 MB. Free memory was 48.5 MB in the beginning and 46.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9277.32 ms. Allocated memory is still 71.3 MB. Free memory was 46.4 MB in the beginning and 38.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37723.51 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 40.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.34 ms. Allocated memory is still 86.0 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L128] float x = -1.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff [L68] COND TRUE ix >= 0x50800000 [L69] COND FALSE !(((ix) > 0x7f800000L)) [L71] COND FALSE !(hx > 0) [L74] EXPR atanhi_atan[3] [L74] EXPR atanlo_atan[3] [L74] return -atanhi_atan[3] - atanlo_atan[3]; [L129] float res = atan_float(x); [L131] COND TRUE res != -pi_o_2 [L3] __assert_fail("0", "float_req_bl_0621b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 37.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 28 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 6 QuantifiedInterpolants, 1316 SizeOfPredicates, 8 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...