./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7089bbc1d64fdab3968ddd6407c4dd9659b97437 ............................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7089bbc1d64fdab3968ddd6407c4dd9659b97437 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:04:21,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:04:21,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:04:21,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:04:21,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:04:21,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:04:21,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:04:21,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:04:21,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:04:21,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:04:21,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:04:21,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:04:21,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:04:21,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:04:21,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:04:21,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:04:21,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:04:21,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:04:21,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:04:21,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:04:21,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:04:21,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:04:21,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:04:21,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:04:21,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:04:21,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:04:21,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:04:21,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:04:21,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:04:21,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:04:21,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:04:21,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:04:21,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:04:21,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:04:21,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:04:21,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:04:21,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:04:21,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:04:21,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:04:21,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:04:21,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:04:21,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:04:21,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:04:21,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:04:21,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:04:21,996 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:04:21,996 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:04:21,996 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:04:21,996 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:04:21,997 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:04:21,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:04:21,997 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:04:21,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:04:21,997 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:04:21,997 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:04:21,998 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:04:21,998 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:04:21,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:04:21,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:04:21,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:04:21,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:04:22,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:04:22,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:04:22,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:04:22,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:04:22,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:04:22,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:04:22,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:04:22,001 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_608d4727-21c0-4344-acc0-9b936d727a46/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(__VERIFIER_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 -> 7089bbc1d64fdab3968ddd6407c4dd9659b97437 [2019-12-07 19:04:22,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:04:22,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:04:22,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:04:22,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:04:22,123 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:04:22,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2019-12-07 19:04:22,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/2525da4c2/bfaf017a190247a0935bc7d2fd764034/FLAG79026ba56 [2019-12-07 19:04:22,572 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:04:22,573 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2019-12-07 19:04:22,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/2525da4c2/bfaf017a190247a0935bc7d2fd764034/FLAG79026ba56 [2019-12-07 19:04:22,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/2525da4c2/bfaf017a190247a0935bc7d2fd764034 [2019-12-07 19:04:22,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:04:22,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:04:22,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:04:22,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:04:22,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:04:22,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cabb56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22, skipping insertion in model container [2019-12-07 19:04:22,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:04:22,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:04:22,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:04:22,774 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:04:22,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:04:22,811 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:04:22,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22 WrapperNode [2019-12-07 19:04:22,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:04:22,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:04:22,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:04:22,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:04:22,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:04:22,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:04:22,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:04:22,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:04:22,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... [2019-12-07 19:04:22,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:04:22,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:04:22,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:04:22,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:04:22,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/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 [2019-12-07 19:04:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 19:04:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 19:04:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 19:04:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:04:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:04:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 19:04:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:04:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:04:23,233 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:04:23,233 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 19:04:23,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:04:23 BoogieIcfgContainer [2019-12-07 19:04:23,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:04:23,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:04:23,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:04:23,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:04:23,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:04:22" (1/3) ... [2019-12-07 19:04:23,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712c1b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:04:23, skipping insertion in model container [2019-12-07 19:04:23,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:22" (2/3) ... [2019-12-07 19:04:23,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712c1b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:04:23, skipping insertion in model container [2019-12-07 19:04:23,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:04:23" (3/3) ... [2019-12-07 19:04:23,239 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c.c [2019-12-07 19:04:23,245 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:04:23,250 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:04:23,257 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:04:23,273 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:04:23,273 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:04:23,273 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:04:23,273 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:04:23,273 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:04:23,273 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:04:23,273 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:04:23,273 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:04:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-07 19:04:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:04:23,287 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:04:23,288 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:04:23,288 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:04:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:04:23,292 INFO L82 PathProgramCache]: Analyzing trace with hash 958846388, now seen corresponding path program 1 times [2019-12-07 19:04:23,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:04:23,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134725624] [2019-12-07 19:04:23,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:04:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:04:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:04:23,370 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134725624] [2019-12-07 19:04:23,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:04:23,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:04:23,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236048525] [2019-12-07 19:04:23,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:04:23,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 19:04:23,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:04:23,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:04:23,384 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-12-07 19:04:23,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:04:23,395 INFO L93 Difference]: Finished difference Result 41 states and 63 transitions. [2019-12-07 19:04:23,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:04:23,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 19:04:23,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:04:23,402 INFO L225 Difference]: With dead ends: 41 [2019-12-07 19:04:23,403 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 19:04:23,405 INFO L630 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 [2019-12-07 19:04:23,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 19:04:23,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 19:04:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 19:04:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2019-12-07 19:04:23,426 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 10 [2019-12-07 19:04:23,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:04:23,426 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-12-07 19:04:23,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:04:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-12-07 19:04:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:04:23,426 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:04:23,426 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:04:23,427 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:04:23,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:04:23,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1384408391, now seen corresponding path program 1 times [2019-12-07 19:04:23,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:04:23,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038113099] [2019-12-07 19:04:23,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:04:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:04:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:04:23,528 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 19:04:23,529 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:04:23,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:04:23 BoogieIcfgContainer [2019-12-07 19:04:23,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:04:23,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:04:23,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:04:23,550 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:04:23,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:04:23" (3/4) ... [2019-12-07 19:04:23,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:04:23,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:04:23,554 INFO L168 Benchmark]: Toolchain (without parser) took 966.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:23,554 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:04:23,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:23,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:23,556 INFO L168 Benchmark]: Boogie Preprocessor took 22.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:04:23,556 INFO L168 Benchmark]: RCFGBuilder took 369.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:23,556 INFO L168 Benchmark]: TraceAbstraction took 314.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:23,557 INFO L168 Benchmark]: Witness Printer took 3.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:04:23,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 369.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 314.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 107]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 90, overapproximation of someBinaryArithmeticDOUBLEoperation at line 50, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L14] static const double huge_ceil = 1.0e300; [L103] double x = 1.0 / 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND FALSE !(j0 < 20) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L48] COND TRUE j0 > 51 [L49] COND FALSE !(j0 == 0x400) [L52] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] double res = ceil_double(x); [L82] __int32_t hx, lx; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L84] ieee_double_shape_type ew_u; [L85] ew_u.value = (x) [L86] EXPR ew_u.parts.msw [L86] (hx) = ew_u.parts.msw [L87] EXPR ew_u.parts.lsw [L87] (lx) = ew_u.parts.lsw [L89] hx &= 0x7fffffff [L90] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L91] hx = 0x7ff00000 - hx [L92] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L106] COND TRUE !isinf_double(res) [L107] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, 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 0.1.25-f470102 [2019-12-07 19:04:24,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:04:24,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:04:24,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:04:24,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:04:24,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:04:24,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:04:24,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:04:24,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:04:24,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:04:24,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:04:24,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:04:24,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:04:24,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:04:24,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:04:24,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:04:24,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:04:24,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:04:24,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:04:24,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:04:24,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:04:24,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:04:24,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:04:24,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:04:24,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:04:24,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:04:24,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:04:24,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:04:24,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:04:24,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:04:24,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:04:24,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:04:24,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:04:24,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:04:24,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:04:24,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:04:24,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:04:24,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:04:24,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:04:24,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:04:24,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:04:24,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:04:24,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:04:24,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:04:24,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:04:24,954 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:04:24,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:04:24,954 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:04:24,954 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:04:24,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:04:24,954 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:04:24,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:04:24,955 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:04:24,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:04:24,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:04:24,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:04:24,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:04:24,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:04:24,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:04:24,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:04:24,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:04:24,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:04:24,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:04:24,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:04:24,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:04:24,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:04:24,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:04:24,958 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:04:24,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:04:24,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:04:24,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:04:24,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:04:24,959 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_608d4727-21c0-4344-acc0-9b936d727a46/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(__VERIFIER_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 -> 7089bbc1d64fdab3968ddd6407c4dd9659b97437 [2019-12-07 19:04:25,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:04:25,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:04:25,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:04:25,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:04:25,142 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:04:25,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2019-12-07 19:04:25,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/a7d5ecc60/f80106b6119041e78bfea49b8169d50c/FLAGee81f1b5f [2019-12-07 19:04:25,608 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:04:25,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2019-12-07 19:04:25,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/a7d5ecc60/f80106b6119041e78bfea49b8169d50c/FLAGee81f1b5f [2019-12-07 19:04:25,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/data/a7d5ecc60/f80106b6119041e78bfea49b8169d50c [2019-12-07 19:04:25,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:04:25,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:04:25,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:04:25,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:04:25,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:04:25,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:04:25" (1/1) ... [2019-12-07 19:04:25,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54590536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:25, skipping insertion in model container [2019-12-07 19:04:25,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:04:25" (1/1) ... [2019-12-07 19:04:25,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:04:26,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:04:26,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:04:26,132 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:04:26,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:04:26,210 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:04:26,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26 WrapperNode [2019-12-07 19:04:26,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:04:26,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:04:26,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:04:26,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:04:26,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:04:26,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:04:26,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:04:26,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:04:26,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... [2019-12-07 19:04:26,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:04:26,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:04:26,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:04:26,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:04:26,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/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 [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:04:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:04:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:04:27,310 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:04:27,310 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 19:04:27,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:04:27 BoogieIcfgContainer [2019-12-07 19:04:27,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:04:27,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:04:27,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:04:27,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:04:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:04:25" (1/3) ... [2019-12-07 19:04:27,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:04:27, skipping insertion in model container [2019-12-07 19:04:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:04:26" (2/3) ... [2019-12-07 19:04:27,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:04:27, skipping insertion in model container [2019-12-07 19:04:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:04:27" (3/3) ... [2019-12-07 19:04:27,315 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c.c [2019-12-07 19:04:27,322 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:04:27,326 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:04:27,333 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:04:27,347 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:04:27,347 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:04:27,347 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:04:27,347 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:04:27,347 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:04:27,347 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:04:27,347 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:04:27,347 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:04:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 19:04:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 19:04:27,360 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:04:27,361 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:04:27,361 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:04:27,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:04:27,365 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2019-12-07 19:04:27,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:04:27,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620997955] [2019-12-07 19:04:27,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/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 [2019-12-07 19:04:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:04:27,452 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:04:27,455 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:04:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:04:27,465 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:04:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:04:27,469 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620997955] [2019-12-07 19:04:27,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:04:27,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:04:27,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397542437] [2019-12-07 19:04:27,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:04:27,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:04:27,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:04:27,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:04:27,484 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 19:04:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:04:27,497 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2019-12-07 19:04:27,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:04:27,498 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 19:04:27,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:04:27,505 INFO L225 Difference]: With dead ends: 72 [2019-12-07 19:04:27,505 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 19:04:27,508 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:04:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 19:04:27,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 19:04:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 19:04:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2019-12-07 19:04:27,538 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2019-12-07 19:04:27,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:04:27,538 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2019-12-07 19:04:27,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:04:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2019-12-07 19:04:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 19:04:27,539 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:04:27,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:04:27,740 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:04:27,741 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:04:27,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:04:27,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2019-12-07 19:04:27,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:04:27,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933946657] [2019-12-07 19:04:27,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/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 [2019-12-07 19:04:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:04:27,895 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:04:27,897 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:04:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:04:27,995 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:04:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:04:28,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933946657] [2019-12-07 19:04:28,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:04:28,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 19:04:28,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596934078] [2019-12-07 19:04:28,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:04:28,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:04:28,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:04:28,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:04:28,117 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 8 states. [2019-12-07 19:04:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:04:28,339 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-12-07 19:04:28,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:04:28,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-12-07 19:04:28,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:04:28,341 INFO L225 Difference]: With dead ends: 42 [2019-12-07 19:04:28,341 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 19:04:28,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 19:04:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 19:04:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 19:04:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 19:04:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 19:04:28,345 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2019-12-07 19:04:28,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:04:28,345 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 19:04:28,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:04:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 19:04:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 19:04:28,346 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:04:28,346 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:04:28,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:04:28,548 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:04:28,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:04:28,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2019-12-07 19:04:28,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:04:28,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467983512] [2019-12-07 19:04:28,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/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 [2019-12-07 19:04:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:04:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:04:28,892 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 19:04:28,892 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:04:29,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:04:29,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:04:29 BoogieIcfgContainer [2019-12-07 19:04:29,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:04:29,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:04:29,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:04:29,154 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:04:29,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:04:27" (3/4) ... [2019-12-07 19:04:29,156 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 19:04:29,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_608d4727-21c0-4344-acc0-9b936d727a46/bin/utaipan/witness.graphml [2019-12-07 19:04:29,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:04:29,196 INFO L168 Benchmark]: Toolchain (without parser) took 3222.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -48.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:29,196 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:04:29,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:29,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:29,197 INFO L168 Benchmark]: Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:04:29,197 INFO L168 Benchmark]: RCFGBuilder took 1044.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:29,198 INFO L168 Benchmark]: TraceAbstraction took 1842.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:04:29,198 INFO L168 Benchmark]: Witness Printer took 40.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:04:29,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 237.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1044.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1842.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * Witness Printer took 40.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 107]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L103] double x = 1.0 / 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND FALSE !(j0 < 20) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L48] COND TRUE j0 > 51 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L49] COND TRUE j0 == 0x400 [L50] return x + x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] double res = ceil_double(x); [L82] __int32_t hx, lx; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L84] ieee_double_shape_type ew_u; [L85] ew_u.value = (x) [L86] EXPR ew_u.parts.msw [L86] (hx) = ew_u.parts.msw [L87] EXPR ew_u.parts.lsw [L87] (lx) = ew_u.parts.lsw [L89] hx &= 0x7fffffff [L90] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L91] hx = 0x7ff00000 - hx [L92] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L106] COND TRUE !isinf_double(res) [L107] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 44 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 5 QuantifiedInterpolants, 2276 SizeOfPredicates, 8 NumberOfNonLiveVariables, 80 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...