./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 2ba43eb3953387ed7e9e073c4829343982ceaa96 .................................................................................................................................................................................................................................................................................................................... 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_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 2ba43eb3953387ed7e9e073c4829343982ceaa96 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:34:28,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:34:28,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:34:28,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:34:28,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:34:28,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:34:28,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:34:28,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:34:28,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:34:28,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:34:28,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:34:28,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:34:28,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:34:28,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:34:28,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:34:28,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:34:28,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:34:28,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:34:28,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:34:28,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:34:28,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:34:28,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:34:28,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:34:28,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:34:29,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:34:29,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:34:29,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:34:29,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:34:29,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:34:29,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:34:29,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:34:29,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:34:29,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:34:29,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:34:29,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:34:29,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:34:29,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:34:29,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:34:29,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:34:29,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:34:29,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:34:29,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:34:29,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:34:29,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:34:29,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:34:29,050 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:34:29,050 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:34:29,051 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:34:29,051 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:34:29,051 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:34:29,051 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:34:29,051 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:34:29,052 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:34:29,052 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:34:29,052 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:34:29,052 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:34:29,052 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:34:29,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:34:29,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:34:29,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:34:29,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:34:29,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:34:29,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:34:29,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:34:29,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:34:29,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:34:29,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:34:29,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:34:29,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:34:29,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:34:29,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:34:29,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:34:29,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:34:29,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:34:29,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:34:29,058 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:34:29,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:34:29,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:34:29,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:34:29,059 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_60f91730-2cda-41a4-840c-b0161108e613/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 -> 2ba43eb3953387ed7e9e073c4829343982ceaa96 [2019-11-26 02:34:29,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:34:29,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:34:29,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:34:29,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:34:29,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:34:29,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-26 02:34:29,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/b362c5d30/e6c6c2b2f6634bca929564d099004e39/FLAGde5b280fb [2019-11-26 02:34:29,702 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:34:29,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-26 02:34:29,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/b362c5d30/e6c6c2b2f6634bca929564d099004e39/FLAGde5b280fb [2019-11-26 02:34:30,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/b362c5d30/e6c6c2b2f6634bca929564d099004e39 [2019-11-26 02:34:30,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:34:30,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:34:30,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:34:30,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:34:30,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:34:30,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414509e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30, skipping insertion in model container [2019-11-26 02:34:30,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:34:30,157 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:34:30,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:34:30,433 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:34:30,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:34:30,513 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:34:30,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30 WrapperNode [2019-11-26 02:34:30,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:34:30,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:34:30,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:34:30,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:34:30,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:34:30,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:34:30,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:34:30,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:34:30,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... [2019-11-26 02:34:30,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:34:30,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:34:30,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:34:30,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:34:30,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 [2019-11-26 02:34:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:34:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:34:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:34:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:34:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:34:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:34:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:34:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:34:31,723 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:34:31,723 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-26 02:34:31,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:34:31 BoogieIcfgContainer [2019-11-26 02:34:31,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:34:31,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:34:31,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:34:31,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:34:31,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:34:30" (1/3) ... [2019-11-26 02:34:31,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6c582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:34:31, skipping insertion in model container [2019-11-26 02:34:31,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:30" (2/3) ... [2019-11-26 02:34:31,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6c582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:34:31, skipping insertion in model container [2019-11-26 02:34:31,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:34:31" (3/3) ... [2019-11-26 02:34:31,731 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2019-11-26 02:34:31,742 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:34:31,749 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:34:31,758 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:34:31,790 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:34:31,790 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:34:31,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:34:31,790 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:34:31,790 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:34:31,791 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:34:31,791 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:34:31,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:34:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-11-26 02:34:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:34:31,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:34:31,818 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:34:31,818 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:34:31,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:34:31,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1593506622, now seen corresponding path program 1 times [2019-11-26 02:34:31,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:34:31,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477885731] [2019-11-26 02:34:31,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:34:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:34:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:34:31,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477885731] [2019-11-26 02:34:31,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:34:31,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:34:31,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683177395] [2019-11-26 02:34:31,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:34:31,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:34:31,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:34:31,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:34:31,991 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-11-26 02:34:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:34:32,017 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2019-11-26 02:34:32,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:34:32,019 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-26 02:34:32,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:34:32,036 INFO L225 Difference]: With dead ends: 89 [2019-11-26 02:34:32,036 INFO L226 Difference]: Without dead ends: 43 [2019-11-26 02:34:32,041 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 [2019-11-26 02:34:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-26 02:34:32,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-26 02:34:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-26 02:34:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2019-11-26 02:34:32,087 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2019-11-26 02:34:32,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:34:32,088 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2019-11-26 02:34:32,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:34:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2019-11-26 02:34:32,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:34:32,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:34:32,090 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:34:32,090 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:34:32,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:34:32,091 INFO L82 PathProgramCache]: Analyzing trace with hash -905856845, now seen corresponding path program 1 times [2019-11-26 02:34:32,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:34:32,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157191112] [2019-11-26 02:34:32,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:34:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:34:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:34:32,217 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:34:32,217 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:34:32,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:34:32 BoogieIcfgContainer [2019-11-26 02:34:32,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:34:32,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:34:32,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:34:32,265 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:34:32,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:34:31" (3/4) ... [2019-11-26 02:34:32,270 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:34:32,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:34:32,273 INFO L168 Benchmark]: Toolchain (without parser) took 2160.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:34:32,274 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:34:32,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:34:32,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.08 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. [2019-11-26 02:34:32,276 INFO L168 Benchmark]: Boogie Preprocessor took 76.30 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. [2019-11-26 02:34:32,277 INFO L168 Benchmark]: RCFGBuilder took 1044.56 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: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:34:32,277 INFO L168 Benchmark]: TraceAbstraction took 538.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:34:32,278 INFO L168 Benchmark]: Witness Printer took 5.67 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. [2019-11-26 02:34:32,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.08 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. * Boogie Preprocessor took 76.30 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. * RCFGBuilder took 1044.56 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: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 538.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.67 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: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L235] double x = -0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 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=45occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 0.1.24-6b5699a [2019-11-26 02:34:34,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:34:34,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:34:34,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:34:34,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:34:34,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:34:34,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:34:34,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:34:34,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:34:34,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:34:34,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:34:34,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:34:34,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:34:34,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:34:34,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:34:34,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:34:34,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:34:34,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:34:34,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:34:34,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:34:34,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:34:34,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:34:34,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:34:34,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:34:34,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:34:34,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:34:34,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:34:34,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:34:34,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:34:34,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:34:34,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:34:34,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:34:34,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:34:34,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:34:34,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:34:34,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:34:34,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:34:34,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:34:34,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:34:34,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:34:34,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:34:34,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:34:34,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:34:34,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:34:34,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:34:34,283 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:34:34,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:34:34,284 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:34:34,284 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:34:34,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:34:34,284 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:34:34,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:34:34,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:34:34,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:34:34,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:34:34,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:34:34,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:34:34,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:34:34,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:34:34,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:34:34,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:34:34,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:34:34,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:34:34,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:34:34,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:34:34,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:34:34,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:34:34,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:34:34,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:34:34,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:34:34,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:34:34,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:34:34,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:34:34,296 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:34:34,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:34:34,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:34:34,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:34:34,298 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_60f91730-2cda-41a4-840c-b0161108e613/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 -> 2ba43eb3953387ed7e9e073c4829343982ceaa96 [2019-11-26 02:34:34,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:34:34,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:34:34,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:34:34,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:34:34,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:34:34,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-26 02:34:34,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/9cb64f7ee/bfc2b673bcf544b98c0607e6b7e2c517/FLAGfd47bbdbc [2019-11-26 02:34:35,063 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:34:35,065 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-26 02:34:35,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/9cb64f7ee/bfc2b673bcf544b98c0607e6b7e2c517/FLAGfd47bbdbc [2019-11-26 02:34:35,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/data/9cb64f7ee/bfc2b673bcf544b98c0607e6b7e2c517 [2019-11-26 02:34:35,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:34:35,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:34:35,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:34:35,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:34:35,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:34:35,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3e2dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35, skipping insertion in model container [2019-11-26 02:34:35,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:34:35,526 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:34:35,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:34:35,752 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:34:35,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:34:35,896 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:34:35,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35 WrapperNode [2019-11-26 02:34:35,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:34:35,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:34:35,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:34:35,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:34:35,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:34:35,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:34:35,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:34:35,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:34:35,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:35,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:36,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:36,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... [2019-11-26 02:34:36,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:34:36,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:34:36,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:34:36,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:34:36,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 [2019-11-26 02:34:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-26 02:34:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-26 02:34:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:34:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:34:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:34:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:34:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:34:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:34:56,939 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:34:56,939 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-26 02:34:56,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:34:56 BoogieIcfgContainer [2019-11-26 02:34:56,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:34:56,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:34:56,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:34:56,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:34:56,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:34:35" (1/3) ... [2019-11-26 02:34:56,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbb0c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:34:56, skipping insertion in model container [2019-11-26 02:34:56,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:34:35" (2/3) ... [2019-11-26 02:34:56,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbb0c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:34:56, skipping insertion in model container [2019-11-26 02:34:56,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:34:56" (3/3) ... [2019-11-26 02:34:56,947 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2019-11-26 02:34:56,956 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:34:56,964 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:34:56,974 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:34:56,994 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:34:56,994 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:34:56,994 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:34:56,995 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:34:56,995 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:34:56,995 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:34:56,996 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:34:56,996 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:34:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-26 02:34:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:34:57,014 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:34:57,015 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:34:57,015 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:34:57,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:34:57,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-26 02:34:57,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:34:57,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349951805] [2019-11-26 02:34:57,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 [2019-11-26 02:34:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:34:57,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:34:57,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:34:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:34:57,684 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:34:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:34:57,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349951805] [2019-11-26 02:34:57,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:34:57,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:34:57,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271701167] [2019-11-26 02:34:57,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:34:57,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:34:57,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:34:57,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:34:57,721 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-26 02:34:57,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:34:57,745 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-26 02:34:57,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:34:57,750 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-26 02:34:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:34:57,767 INFO L225 Difference]: With dead ends: 140 [2019-11-26 02:34:57,768 INFO L226 Difference]: Without dead ends: 68 [2019-11-26 02:34:57,771 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:34:57,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-26 02:34:57,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-26 02:34:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-26 02:34:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-26 02:34:57,804 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-26 02:34:57,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:34:57,805 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-26 02:34:57,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:34:57,805 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-26 02:34:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:34:57,806 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:34:57,806 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:34:58,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:34:58,010 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:34:58,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:34:58,011 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-26 02:34:58,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:34:58,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121478792] [2019-11-26 02:34:58,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 [2019-11-26 02:35:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:02,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:35:02,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:35:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:02,299 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:35:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:02,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121478792] [2019-11-26 02:35:02,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:35:02,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:35:02,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949451757] [2019-11-26 02:35:02,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:35:02,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:35:02,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:35:02,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:35:02,379 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-11-26 02:35:03,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:35:03,950 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-11-26 02:35:03,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:35:03,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-26 02:35:03,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:35:03,953 INFO L225 Difference]: With dead ends: 124 [2019-11-26 02:35:03,953 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:35:03,954 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:35:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:35:03,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:35:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:35:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-11-26 02:35:03,964 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-11-26 02:35:03,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:35:03,965 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-11-26 02:35:03,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:35:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-11-26 02:35:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:35:03,966 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:35:03,966 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:35:04,167 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:35:04,167 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:35:04,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:04,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-11-26 02:35:04,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:35:04,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188020625] [2019-11-26 02:35:04,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/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 [2019-11-26 02:35:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:04,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 02:35:04,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:35:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:04,466 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:35:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:04,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188020625] [2019-11-26 02:35:04,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:35:04,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:35:04,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254344132] [2019-11-26 02:35:04,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:35:04,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:35:04,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:35:04,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:35:04,528 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-11-26 02:35:05,181 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-11-26 02:35:05,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:35:05,251 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-11-26 02:35:05,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:35:05,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-26 02:35:05,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:35:05,255 INFO L225 Difference]: With dead ends: 69 [2019-11-26 02:35:05,255 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:35:05,256 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:35:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:35:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:35:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:35:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-11-26 02:35:05,271 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-11-26 02:35:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:35:05,272 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-11-26 02:35:05,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:35:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-11-26 02:35:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:35:05,274 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:35:05,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:35:05,475 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:35:05,475 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:35:05,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:05,476 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-11-26 02:35:05,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:35:05,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800701513] [2019-11-26 02:35:05,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 02:35:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:11,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:35:11,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:35:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:11,616 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:35:12,518 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-26 02:35:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:12,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800701513] [2019-11-26 02:35:12,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:35:12,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-26 02:35:12,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645404133] [2019-11-26 02:35:12,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:35:12,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:35:12,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:35:12,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:35:12,845 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-11-26 02:35:12,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:35:12,931 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-11-26 02:35:12,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:35:12,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-26 02:35:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:35:12,934 INFO L225 Difference]: With dead ends: 65 [2019-11-26 02:35:12,934 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:35:12,935 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:35:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:35:12,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:35:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:35:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:35:12,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-11-26 02:35:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:35:12,936 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:35:12,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:35:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:35:12,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:35:13,138 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 02:35:13,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:35:13,346 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-11-26 02:35:13,347 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-11-26 02:35:13,347 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-11-26 02:35:13,347 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-11-26 02:35:13,347 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:35:13,347 INFO L444 ceAbstractionStarter]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-11-26 02:35:13,347 INFO L440 ceAbstractionStarter]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-11-26 02:35:13,347 INFO L444 ceAbstractionStarter]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-11-26 02:35:13,348 INFO L444 ceAbstractionStarter]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-11-26 02:35:13,349 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-11-26 02:35:13,349 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-11-26 02:35:13,349 INFO L440 ceAbstractionStarter]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-11-26 02:35:13,349 INFO L440 ceAbstractionStarter]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-11-26 02:35:13,349 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-11-26 02:35:13,349 INFO L440 ceAbstractionStarter]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-11-26 02:35:13,349 INFO L444 ceAbstractionStarter]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-11-26 02:35:13,349 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-11-26 02:35:13,350 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:35:13,350 INFO L444 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-26 02:35:13,350 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-11-26 02:35:13,350 INFO L444 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-11-26 02:35:13,350 INFO L440 ceAbstractionStarter]: At program point L224(lines 158 225) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (= ULTIMATE.start___ieee754_asin_~x .cse0) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 .cse0))) [2019-11-26 02:35:13,350 INFO L440 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-11-26 02:35:13,351 INFO L444 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-11-26 02:35:13,351 INFO L444 ceAbstractionStarter]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-11-26 02:35:13,351 INFO L440 ceAbstractionStarter]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-11-26 02:35:13,351 INFO L444 ceAbstractionStarter]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-11-26 02:35:13,351 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:35:13,351 INFO L444 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-11-26 02:35:13,352 INFO L440 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start___ieee754_asin_~x .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 .cse0))) [2019-11-26 02:35:13,352 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-26 02:35:13,352 INFO L444 ceAbstractionStarter]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-11-26 02:35:13,352 INFO L440 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-11-26 02:35:13,352 INFO L447 ceAbstractionStarter]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-11-26 02:35:13,352 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-11-26 02:35:13,352 INFO L444 ceAbstractionStarter]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-11-26 02:35:13,352 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-11-26 02:35:13,353 INFO L440 ceAbstractionStarter]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-11-26 02:35:13,353 INFO L444 ceAbstractionStarter]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-11-26 02:35:13,353 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-11-26 02:35:13,353 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-26 02:35:13,357 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-11-26 02:35:13,357 INFO L444 ceAbstractionStarter]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-11-26 02:35:13,358 INFO L444 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-26 02:35:13,358 INFO L440 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-26 02:35:13,358 INFO L444 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-26 02:35:13,358 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:35:13,366 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-11-26 02:35:13,367 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-11-26 02:35:13,367 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-11-26 02:35:13,367 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-11-26 02:35:13,367 INFO L444 ceAbstractionStarter]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-11-26 02:35:13,368 INFO L444 ceAbstractionStarter]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-11-26 02:35:13,368 INFO L444 ceAbstractionStarter]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-11-26 02:35:13,368 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-11-26 02:35:13,368 INFO L440 ceAbstractionStarter]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-11-26 02:35:13,368 INFO L444 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-11-26 02:35:13,369 INFO L444 ceAbstractionStarter]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-11-26 02:35:13,369 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-11-26 02:35:13,370 INFO L440 ceAbstractionStarter]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-11-26 02:35:13,370 INFO L444 ceAbstractionStarter]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-11-26 02:35:13,370 INFO L444 ceAbstractionStarter]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-11-26 02:35:13,370 INFO L444 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-11-26 02:35:13,370 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-26 02:35:13,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:35:13,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:35:13,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:35:13 BoogieIcfgContainer [2019-11-26 02:35:13,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:35:13,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:35:13,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:35:13,390 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:35:13,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:34:56" (3/4) ... [2019-11-26 02:35:13,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:35:13,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-26 02:35:13,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:35:13,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:35:13,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && x == \result) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-26 02:35:13,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_60f91730-2cda-41a4-840c-b0161108e613/bin/utaipan/witness.graphml [2019-11-26 02:35:13,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:35:13,491 INFO L168 Benchmark]: Toolchain (without parser) took 38014.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 956.4 MB in the beginning and 942.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 178.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,492 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-26 02:35:13,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,493 INFO L168 Benchmark]: Boogie Preprocessor took 57.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,493 INFO L168 Benchmark]: RCFGBuilder took 20919.93 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,494 INFO L168 Benchmark]: TraceAbstraction took 16447.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.2 MB in the end (delta: 147.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,494 INFO L168 Benchmark]: Witness Printer took 100.57 ms. Allocated memory is still 1.2 GB. Free memory was 949.2 MB in the beginning and 942.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:13,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 418.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 20919.93 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16447.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.2 MB in the end (delta: 147.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. * Witness Printer took 100.57 ms. Allocated memory is still 1.2 GB. Free memory was 949.2 MB in the beginning and 942.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-11-26 02:35:13,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:35:13,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:35:13,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:35:13,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 158]: Loop Invariant [2019-11-26 02:35:13,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:35:13,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && x == \result) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 16.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 80 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8774 SizeOfPredicates, 17 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...