./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2718f642e307f3f62e4f4b06b51ef37595256727 .................................................................................................................................................................................................................................................................................................. 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_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2718f642e307f3f62e4f4b06b51ef37595256727 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:27:06,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:27:06,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:27:06,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:27:06,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:27:06,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:27:06,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:27:06,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:27:06,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:27:06,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:27:06,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:27:06,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:27:06,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:27:06,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:27:06,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:27:06,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:27:06,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:27:06,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:27:06,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:27:06,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:27:06,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:27:06,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:27:06,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:27:06,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:27:06,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:27:06,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:27:06,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:27:06,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:27:06,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:27:06,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:27:06,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:27:06,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:27:06,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:27:06,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:27:06,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:27:06,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:27:06,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:27:06,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:27:06,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:27:06,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:27:06,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:27:06,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:27:06,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:27:06,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:27:06,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:27:06,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:27:06,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:27:06,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:27:06,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:27:06,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:27:06,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:27:06,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:27:06,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:27:06,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:27:06,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:27:06,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:27:06,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:27:06,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:27:06,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:27:06,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:27:06,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:27:06,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:27:06,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:27:06,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:27:06,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:27:06,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:27:06,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:27:06,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:27:06,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:27:06,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:27:06,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer 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 -> Automizer 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 -> 2718f642e307f3f62e4f4b06b51ef37595256727 [2019-11-20 07:27:07,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:27:07,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:27:07,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:27:07,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:27:07,190 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:27:07,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2019-11-20 07:27:07,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/af83d11a4/14658716f9f24e5486a9d6615966d548/FLAGfb75ed83a [2019-11-20 07:27:07,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:27:07,686 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2019-11-20 07:27:07,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/af83d11a4/14658716f9f24e5486a9d6615966d548/FLAGfb75ed83a [2019-11-20 07:27:08,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/af83d11a4/14658716f9f24e5486a9d6615966d548 [2019-11-20 07:27:08,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:27:08,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:27:08,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:27:08,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:27:08,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:27:08,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b502f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08, skipping insertion in model container [2019-11-20 07:27:08,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:27:08,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:27:08,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:27:08,432 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:27:08,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:27:08,508 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:27:08,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08 WrapperNode [2019-11-20 07:27:08,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:27:08,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:27:08,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:27:08,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:27:08,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:27:08,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:27:08,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:27:08,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:27:08,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... [2019-11-20 07:27:08,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:27:08,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:27:08,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:27:08,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:27:08,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/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 [2019-11-20 07:27:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:27:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:27:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 07:27:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 07:27:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:27:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:27:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 07:27:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-20 07:27:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:27:09,280 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:27:09,280 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 07:27:09,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:09 BoogieIcfgContainer [2019-11-20 07:27:09,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:27:09,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:27:09,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:27:09,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:27:09,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:27:08" (1/3) ... [2019-11-20 07:27:09,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5089095a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:09, skipping insertion in model container [2019-11-20 07:27:09,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:08" (2/3) ... [2019-11-20 07:27:09,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5089095a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:09, skipping insertion in model container [2019-11-20 07:27:09,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:09" (3/3) ... [2019-11-20 07:27:09,292 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2019-11-20 07:27:09,302 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:27:09,310 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:27:09,322 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:27:09,356 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:27:09,357 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:27:09,357 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:27:09,357 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:27:09,357 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:27:09,357 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:27:09,358 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:27:09,358 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:27:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-11-20 07:27:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:27:09,387 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:27:09,388 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:27:09,388 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:27:09,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:27:09,394 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-11-20 07:27:09,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:27:09,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155365805] [2019-11-20 07:27:09,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:27:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:27:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:09,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155365805] [2019-11-20 07:27:09,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:27:09,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:27:09,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833530509] [2019-11-20 07:27:09,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:27:09,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:27:09,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:27:09,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:27:09,527 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-11-20 07:27:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:27:09,548 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-11-20 07:27:09,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:27:09,549 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 07:27:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:27:09,560 INFO L225 Difference]: With dead ends: 108 [2019-11-20 07:27:09,561 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 07:27:09,564 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 [2019-11-20 07:27:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 07:27:09,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-20 07:27:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 07:27:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-11-20 07:27:09,601 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-11-20 07:27:09,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:27:09,601 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-11-20 07:27:09,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:27:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-11-20 07:27:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:27:09,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:27:09,602 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:27:09,603 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:27:09,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:27:09,603 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-11-20 07:27:09,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:27:09,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508727922] [2019-11-20 07:27:09,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:27:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:27:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:27:09,744 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:27:09,744 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 07:27:09,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:27:09 BoogieIcfgContainer [2019-11-20 07:27:09,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:27:09,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:27:09,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:27:09,780 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:27:09,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:09" (3/4) ... [2019-11-20 07:27:09,784 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:27:09,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:27:09,787 INFO L168 Benchmark]: Toolchain (without parser) took 1713.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -111.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,787 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:27:09,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.06 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,790 INFO L168 Benchmark]: Boogie Preprocessor took 68.75 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,790 INFO L168 Benchmark]: RCFGBuilder took 644.68 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,791 INFO L168 Benchmark]: TraceAbstraction took 496.63 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,792 INFO L168 Benchmark]: Witness Printer took 4.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:09,796 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 435.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.06 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.75 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 644.68 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 496.63 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L169] double x = __VERIFIER_nondet_double(); [L170] double y = 0.0; [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L171] double res = fmod_double(x, y); [L16] return x != x; VAL [one_fmod=1, Zero_fmod={3:0}] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 81 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=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 07:27:11,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:27:11,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:27:12,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:27:12,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:27:12,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:27:12,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:27:12,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:27:12,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:27:12,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:27:12,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:27:12,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:27:12,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:27:12,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:27:12,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:27:12,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:27:12,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:27:12,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:27:12,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:27:12,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:27:12,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:27:12,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:27:12,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:27:12,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:27:12,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:27:12,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:27:12,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:27:12,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:27:12,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:27:12,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:27:12,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:27:12,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:27:12,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:27:12,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:27:12,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:27:12,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:27:12,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:27:12,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:27:12,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:27:12,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:27:12,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:27:12,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 07:27:12,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:27:12,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:27:12,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:27:12,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:27:12,087 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:27:12,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:27:12,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:27:12,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:27:12,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:27:12,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:27:12,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:27:12,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:27:12,089 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 07:27:12,089 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 07:27:12,089 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:27:12,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:27:12,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:27:12,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:27:12,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:27:12,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:27:12,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:27:12,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:27:12,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:27:12,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:27:12,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:27:12,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:27:12,095 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 07:27:12,095 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 07:27:12,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:27:12,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 07:27:12,097 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_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer 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 -> Automizer 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 -> 2718f642e307f3f62e4f4b06b51ef37595256727 [2019-11-20 07:27:12,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:27:12,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:27:12,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:27:12,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:27:12,403 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:27:12,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2019-11-20 07:27:12,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/8d0efa854/cb3040a619e041a39a675672f78d7356/FLAGd9541231d [2019-11-20 07:27:12,927 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:27:12,927 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2019-11-20 07:27:12,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/8d0efa854/cb3040a619e041a39a675672f78d7356/FLAGd9541231d [2019-11-20 07:27:13,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/data/8d0efa854/cb3040a619e041a39a675672f78d7356 [2019-11-20 07:27:13,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:27:13,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:27:13,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:27:13,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:27:13,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:27:13,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e1ec02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13, skipping insertion in model container [2019-11-20 07:27:13,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:27:13,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:27:13,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:27:13,526 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:27:13,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:27:13,679 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:27:13,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13 WrapperNode [2019-11-20 07:27:13,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:27:13,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:27:13,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:27:13,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:27:13,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:27:13,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:27:13,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:27:13,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:27:13,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... [2019-11-20 07:27:13,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:27:13,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:27:13,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:27:13,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:27:13,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/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 [2019-11-20 07:27:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 07:27:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 07:27:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:27:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-20 07:27:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 07:27:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:27:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:27:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 07:27:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:27:17,282 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:27:17,282 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 07:27:17,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:17 BoogieIcfgContainer [2019-11-20 07:27:17,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:27:17,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:27:17,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:27:17,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:27:17,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:27:13" (1/3) ... [2019-11-20 07:27:17,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae39622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:17, skipping insertion in model container [2019-11-20 07:27:17,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:13" (2/3) ... [2019-11-20 07:27:17,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae39622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:17, skipping insertion in model container [2019-11-20 07:27:17,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:17" (3/3) ... [2019-11-20 07:27:17,291 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2019-11-20 07:27:17,299 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:27:17,305 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:27:17,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:27:17,335 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:27:17,335 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:27:17,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:27:17,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:27:17,336 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:27:17,336 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:27:17,336 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:27:17,336 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:27:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-11-20 07:27:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:27:17,355 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:27:17,356 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:27:17,356 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:27:17,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:27:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-11-20 07:27:17,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:27:17,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243228601] [2019-11-20 07:27:17,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/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 [2019-11-20 07:27:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:27:18,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 07:27:18,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:27:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:18,489 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:27:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:18,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243228601] [2019-11-20 07:27:18,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:27:18,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 07:27:18,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992915203] [2019-11-20 07:27:18,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:27:18,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:27:18,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:27:18,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:27:18,517 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-11-20 07:27:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:27:18,543 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-11-20 07:27:18,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:27:18,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 07:27:18,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:27:18,556 INFO L225 Difference]: With dead ends: 108 [2019-11-20 07:27:18,556 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 07:27:18,559 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 [2019-11-20 07:27:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 07:27:18,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-20 07:27:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 07:27:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-11-20 07:27:18,598 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-11-20 07:27:18,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:27:18,599 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-11-20 07:27:18,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:27:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-11-20 07:27:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:27:18,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:27:18,600 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:27:18,819 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 07:27:18,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:27:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:27:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-11-20 07:27:18,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:27:18,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890223131] [2019-11-20 07:27:18,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/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 [2019-11-20 07:27:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:27:22,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:27:22,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:27:24,543 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|)) is different from false [2019-11-20 07:27:26,844 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|)) is different from true [2019-11-20 07:27:26,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:27:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:30,339 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:27:34,020 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x c_ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-20 07:27:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:35,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890223131] [2019-11-20 07:27:35,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:27:35,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 07:27:35,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744166521] [2019-11-20 07:27:35,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 07:27:35,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:27:35,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 07:27:35,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=42, Unknown=3, NotChecked=26, Total=90 [2019-11-20 07:27:35,111 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 10 states. [2019-11-20 07:27:37,489 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x c_ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= (_ +zero 11 53) c_ULTIMATE.start_fmod_double_~y)) is different from false [2019-11-20 07:27:39,944 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x c_ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= (_ +zero 11 53) c_ULTIMATE.start_fmod_double_~y)) is different from true [2019-11-20 07:27:43,802 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|)) (not (fp.eq |c_ULTIMATE.start_fmod_double_#res| |c_ULTIMATE.start_fmod_double_#res|))) is different from true [2019-11-20 07:27:43,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:27:43,876 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-11-20 07:27:43,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:27:43,877 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-11-20 07:27:43,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:27:43,879 INFO L225 Difference]: With dead ends: 57 [2019-11-20 07:27:43,879 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 07:27:43,880 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=29, Invalid=53, Unknown=6, NotChecked=68, Total=156 [2019-11-20 07:27:43,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 07:27:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-20 07:27:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 07:27:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-11-20 07:27:43,889 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-11-20 07:27:43,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:27:43,890 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-11-20 07:27:43,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 07:27:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-11-20 07:27:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:27:43,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:27:43,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:27:44,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 07:27:44,093 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:27:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:27:44,093 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-11-20 07:27:44,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:27:44,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149456172] [2019-11-20 07:27:44,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/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 [2019-11-20 07:27:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:27:44,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 07:27:44,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:27:44,370 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-20 07:27:44,390 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 07:27:44,393 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 07:27:44,394 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 07:27:44,414 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,425 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,425 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 07:27:44,426 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 07:27:44,430 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,430 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 07:27:44,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,446 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 07:27:44,447 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2019-11-20 07:27:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:44,500 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:27:44,583 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,584 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 48 [2019-11-20 07:27:44,618 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,618 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 35 [2019-11-20 07:27:44,619 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 07:27:44,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,648 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,648 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2019-11-20 07:27:44,649 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 07:27:44,657 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,658 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 07:27:44,670 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:27:44,671 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 07:27:44,671 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:60, output treesize:20 [2019-11-20 07:27:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:44,710 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149456172] [2019-11-20 07:27:44,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:27:44,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-11-20 07:27:44,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907230570] [2019-11-20 07:27:44,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 07:27:44,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:27:44,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 07:27:44,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:27:44,712 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 7 states. [2019-11-20 07:27:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:27:44,795 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-11-20 07:27:44,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:27:44,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-20 07:27:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:27:44,798 INFO L225 Difference]: With dead ends: 52 [2019-11-20 07:27:44,798 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:27:44,799 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:27:44,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:27:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:27:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:27:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:27:44,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-20 07:27:44,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:27:44,800 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:27:44,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 07:27:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:27:44,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:27:45,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 07:27:45,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:27:58,024 WARN L191 SmtUtils]: Spent 12.97 s on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-11-20 07:28:02,905 WARN L191 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 11 DAG size of output: 3 [2019-11-20 07:28:02,914 INFO L444 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-11-20 07:28:02,914 INFO L444 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,915 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-11-20 07:28:02,915 INFO L440 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-11-20 07:28:02,915 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:28:02,915 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-11-20 07:28:02,915 INFO L444 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-11-20 07:28:02,916 INFO L444 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-11-20 07:28:02,916 INFO L444 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,916 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,916 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-11-20 07:28:02,917 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-11-20 07:28:02,917 INFO L444 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-11-20 07:28:02,917 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-11-20 07:28:02,917 INFO L440 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-11-20 07:28:02,917 INFO L440 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-11-20 07:28:02,918 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:28:02,918 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-20 07:28:02,918 INFO L444 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-11-20 07:28:02,918 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-11-20 07:28:02,918 INFO L440 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-11-20 07:28:02,918 INFO L444 ceAbstractionStarter]: For program point L174(lines 174 177) no Hoare annotation was computed. [2019-11-20 07:28:02,918 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-20 07:28:02,919 INFO L444 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-11-20 07:28:02,919 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-11-20 07:28:02,919 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-11-20 07:28:02,919 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~y) [2019-11-20 07:28:02,919 INFO L444 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-11-20 07:28:02,921 INFO L440 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) [2019-11-20 07:28:02,921 INFO L440 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-11-20 07:28:02,921 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:28:02,921 INFO L444 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,922 INFO L444 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-11-20 07:28:02,922 INFO L444 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-11-20 07:28:02,922 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-11-20 07:28:02,922 INFO L444 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,923 INFO L444 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,923 INFO L447 ceAbstractionStarter]: At program point L179(lines 163 180) the Hoare annotation is: true [2019-11-20 07:28:02,923 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-11-20 07:28:02,923 INFO L444 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,923 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-20 07:28:02,924 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 07:28:02,924 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2019-11-20 07:28:02,924 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-20 07:28:02,925 INFO L440 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) [2019-11-20 07:28:02,930 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-11-20 07:28:02,931 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-11-20 07:28:02,931 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-11-20 07:28:02,932 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-20 07:28:02,932 INFO L444 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-11-20 07:28:02,932 INFO L440 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-11-20 07:28:02,932 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-11-20 07:28:02,933 INFO L444 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-11-20 07:28:02,933 INFO L440 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-11-20 07:28:02,933 INFO L444 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-11-20 07:28:02,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:02,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:02,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:02,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:02,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:02,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:02,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:02,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:02,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:02,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:02,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:28:02 BoogieIcfgContainer [2019-11-20 07:28:02,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:28:02,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:28:02,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:28:02,974 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:28:02,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:17" (3/4) ... [2019-11-20 07:28:02,978 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:28:02,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 07:28:02,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:28:02,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:28:03,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3a1f29a9-6c2e-4560-b1f8-a4b543c78246/bin/uautomizer/witness.graphml [2019-11-20 07:28:03,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:28:03,054 INFO L168 Benchmark]: Toolchain (without parser) took 49795.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 978.3 MB in the end (delta: -27.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:03,055 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-20 07:28:03,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:03,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.64 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. [2019-11-20 07:28:03,056 INFO L168 Benchmark]: Boogie Preprocessor took 45.39 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:03,057 INFO L168 Benchmark]: RCFGBuilder took 3492.79 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:03,058 INFO L168 Benchmark]: TraceAbstraction took 45688.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.3 MB in the end (delta: 119.7 MB). Peak memory consumption was 119.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:03,058 INFO L168 Benchmark]: Witness Printer took 79.32 ms. Allocated memory is still 1.2 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:28:03,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 419.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.64 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 45.39 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3492.79 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45688.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.3 MB in the end (delta: 119.7 MB). Peak memory consumption was 119.7 MB. Max. memory is 11.5 GB. * Witness Printer took 79.32 ms. Allocated memory is still 1.2 GB. Free memory is still 978.3 MB. There was no memory consumed. 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[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - 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[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - 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[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - 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[ULTIMATE.start_fmod_double_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2019-11-20 07:28:03,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:03,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:03,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:03,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:03,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:03,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:03,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:03,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-20 07:28:03,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:28:03,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~Pluszero~LONGDOUBLE()), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == y - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 45.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.9s, HoareTripleCheckerStatistics: 156 SDtfs, 6 SDslu, 413 SDs, 0 SdLazy, 24 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 4 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 27 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 29 FormulaSimplificationTreeSizeReductionInter, 17.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 13 QuantifiedInterpolants, 4369 SizeOfPredicates, 16 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! Received shutdown request...