./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc9c2d8006a021647ffc0d9b742af3213165b422 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc9c2d8006a021647ffc0d9b742af3213165b422 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:54:56,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:54:56,581 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:54:56,587 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:54:56,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:54:56,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:54:56,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:54:56,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:54:56,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:54:56,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:54:56,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:54:56,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:54:56,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:54:56,594 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:54:56,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:54:56,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:54:56,595 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:54:56,596 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:54:56,597 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:54:56,598 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:54:56,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:54:56,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:54:56,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:54:56,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:54:56,602 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:54:56,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:54:56,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:54:56,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:54:56,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:54:56,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:54:56,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:54:56,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:54:56,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:54:56,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:54:56,606 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:54:56,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:54:56,607 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:54:56,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:54:56,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:54:56,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:54:56,614 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:54:56,614 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:54:56,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:54:56,615 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:54:56,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:54:56,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:54:56,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:54:56,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:54:56,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:54:56,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:54:56,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:54:56,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:54:56,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:54:56,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:54:56,617 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:54:56,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:54:56,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:54:56,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:54:56,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:54:56,618 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:54:56,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:54:56,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:54:56,619 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc9c2d8006a021647ffc0d9b742af3213165b422 [2018-11-18 16:54:56,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:54:56,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:54:56,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:54:56,655 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:54:56,655 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:54:56,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-18 16:54:56,704 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/2baede9cd/45dc3007cdea4e36bfe94fa808162cfd/FLAG73c4b0e32 [2018-11-18 16:54:57,039 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:54:57,039 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-18 16:54:57,045 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/2baede9cd/45dc3007cdea4e36bfe94fa808162cfd/FLAG73c4b0e32 [2018-11-18 16:54:57,463 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/2baede9cd/45dc3007cdea4e36bfe94fa808162cfd [2018-11-18 16:54:57,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:54:57,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:54:57,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:54:57,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:54:57,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:54:57,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e2923f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57, skipping insertion in model container [2018-11-18 16:54:57,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:54:57,492 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:54:57,602 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:54:57,605 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:54:57,617 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:54:57,630 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:54:57,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57 WrapperNode [2018-11-18 16:54:57,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:54:57,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:54:57,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:54:57,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:54:57,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:54:57,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:54:57,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:54:57,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:54:57,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... [2018-11-18 16:54:57,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:54:57,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:54:57,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:54:57,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:54:57,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:54:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 16:54:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:54:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:54:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 16:54:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 16:54:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:54:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:54:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:54:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:54:57,885 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:54:57,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:54:57 BoogieIcfgContainer [2018-11-18 16:54:57,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:54:57,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:54:57,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:54:57,887 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:54:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:54:57" (1/3) ... [2018-11-18 16:54:57,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37028e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:54:57, skipping insertion in model container [2018-11-18 16:54:57,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:54:57" (2/3) ... [2018-11-18 16:54:57,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37028e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:54:57, skipping insertion in model container [2018-11-18 16:54:57,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:54:57" (3/3) ... [2018-11-18 16:54:57,889 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012b_true-unreach-call.c [2018-11-18 16:54:57,894 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:54:57,898 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:54:57,911 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:54:57,939 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:54:57,939 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:54:57,939 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:54:57,939 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:54:57,940 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:54:57,940 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:54:57,940 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:54:57,940 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:54:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-18 16:54:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 16:54:57,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:54:57,956 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:54:57,957 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:54:57,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:54:57,960 INFO L82 PathProgramCache]: Analyzing trace with hash -205430912, now seen corresponding path program 1 times [2018-11-18 16:54:57,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:54:57,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:54:57,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:54:57,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:54:57,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:54:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:54:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:54:58,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:54:58,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:54:58,045 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:54:58,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:54:58,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:54:58,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:54:58,057 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-18 16:54:58,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:54:58,071 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-11-18 16:54:58,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:54:58,072 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-18 16:54:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:54:58,077 INFO L225 Difference]: With dead ends: 54 [2018-11-18 16:54:58,077 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 16:54:58,080 INFO L604 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 [2018-11-18 16:54:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 16:54:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 16:54:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 16:54:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-18 16:54:58,105 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-11-18 16:54:58,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:54:58,105 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-18 16:54:58,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:54:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-18 16:54:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 16:54:58,106 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:54:58,106 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:54:58,106 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:54:58,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:54:58,107 INFO L82 PathProgramCache]: Analyzing trace with hash -2138907054, now seen corresponding path program 1 times [2018-11-18 16:54:58,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:54:58,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:54:58,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:54:58,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:54:58,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:54:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:54:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:54:58,180 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:54:58,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:54:58 BoogieIcfgContainer [2018-11-18 16:54:58,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:54:58,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:54:58,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:54:58,198 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:54:58,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:54:57" (3/4) ... [2018-11-18 16:54:58,202 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:54:58,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:54:58,202 INFO L168 Benchmark]: Toolchain (without parser) took 736.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:54:58,203 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:54:58,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:54:58,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.21 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:54:58,204 INFO L168 Benchmark]: Boogie Preprocessor took 20.81 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:54:58,205 INFO L168 Benchmark]: RCFGBuilder took 218.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:54:58,205 INFO L168 Benchmark]: TraceAbstraction took 312.37 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:54:58,206 INFO L168 Benchmark]: Witness Printer took 3.74 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. [2018-11-18 16:54:58,208 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.21 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.81 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 218.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 312.37 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.74 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L46] float x = -1.0f / 0.0f; [L47] CALL, EXPR fabs_float(x) VAL [\old(x)=9] [L12] __uint32_t ix; VAL [\old(x)=9, x=9] [L14] FCALL ieee_float_shape_type gf_u; [L15] FCALL gf_u.value = (x) [L16] EXPR, FCALL gf_u.word [L16] (ix) = gf_u.word [L17] COND FALSE !(0) VAL [\old(x)=9, ix=3, x=9] [L19] FCALL ieee_float_shape_type sf_u; [L20] FCALL sf_u.word = (ix & 0x7fffffff) [L21] EXPR, FCALL sf_u.value [L21] (x) = sf_u.value [L22] COND FALSE !(0) VAL [\old(x)=9, ix=3, x=11] [L23] RET return x; VAL [\old(x)=9, \result=11, ix=3, x=11] [L47] EXPR fabs_float(x) VAL [fabs_float(x)=11, x=9] [L47] float res = fabs_float(x); [L50] CALL, EXPR isinf_float(res) VAL [\old(x)=11] [L28] __int32_t ix; VAL [\old(x)=11, x=11] [L30] FCALL ieee_float_shape_type gf_u; [L31] FCALL gf_u.value = (x) [L32] EXPR, FCALL gf_u.word [L32] (ix) = gf_u.word [L33] COND FALSE !(0) VAL [\old(x)=11, ix=3, x=11] [L34] ix &= 0x7fffffff [L35] RET return ((ix) == 0x7f800000L); VAL [\old(x)=11, \result=0, ix=0, x=11] [L50] EXPR isinf_float(res) VAL [isinf_float(res)=0, res=11, x=9] [L50] COND TRUE !isinf_float(res) [L51] __VERIFIER_error() VAL [res=11, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 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=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-5842f4b [2018-11-18 16:54:59,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:54:59,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:54:59,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:54:59,674 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:54:59,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:54:59,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:54:59,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:54:59,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:54:59,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:54:59,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:54:59,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:54:59,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:54:59,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:54:59,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:54:59,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:54:59,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:54:59,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:54:59,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:54:59,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:54:59,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:54:59,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:54:59,688 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:54:59,688 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:54:59,688 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:54:59,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:54:59,689 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:54:59,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:54:59,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:54:59,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:54:59,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:54:59,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:54:59,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:54:59,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:54:59,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:54:59,693 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:54:59,693 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 16:54:59,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:54:59,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:54:59,704 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:54:59,704 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:54:59,704 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:54:59,704 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:54:59,704 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:54:59,704 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:54:59,705 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:54:59,705 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:54:59,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:54:59,705 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:54:59,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:54:59,706 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:54:59,707 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:54:59,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:54:59,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:54:59,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:54:59,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:54:59,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:54:59,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:54:59,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:54:59,708 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc9c2d8006a021647ffc0d9b742af3213165b422 [2018-11-18 16:54:59,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:54:59,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:54:59,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:54:59,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:54:59,750 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:54:59,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-18 16:54:59,791 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/e8d1c0b65/69320032af2243ee8226c3e093aafb6f/FLAG62cb50f70 [2018-11-18 16:55:00,187 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:55:00,187 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-18 16:55:00,191 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/e8d1c0b65/69320032af2243ee8226c3e093aafb6f/FLAG62cb50f70 [2018-11-18 16:55:00,202 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/data/e8d1c0b65/69320032af2243ee8226c3e093aafb6f [2018-11-18 16:55:00,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:55:00,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:55:00,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:55:00,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:55:00,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:55:00,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633d1a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00, skipping insertion in model container [2018-11-18 16:55:00,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:55:00,236 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:55:00,357 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:55:00,360 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:55:00,373 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:55:00,391 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:55:00,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00 WrapperNode [2018-11-18 16:55:00,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:55:00,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:55:00,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:55:00,392 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:55:00,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:55:00,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:55:00,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:55:00,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:55:00,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... [2018-11-18 16:55:00,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:55:00,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:55:00,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:55:00,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:55:00,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:55:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:55:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:55:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 16:55:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 16:55:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 16:55:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:55:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:55:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:55:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 16:55:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 16:55:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:55:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:55:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:55:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 16:55:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:55:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:55:00,658 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:55:00,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:55:00 BoogieIcfgContainer [2018-11-18 16:55:00,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:55:00,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:55:00,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:55:00,660 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:55:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:55:00" (1/3) ... [2018-11-18 16:55:00,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649e513c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:55:00, skipping insertion in model container [2018-11-18 16:55:00,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:55:00" (2/3) ... [2018-11-18 16:55:00,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649e513c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:55:00, skipping insertion in model container [2018-11-18 16:55:00,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:55:00" (3/3) ... [2018-11-18 16:55:00,663 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012b_true-unreach-call.c [2018-11-18 16:55:00,669 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:55:00,673 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:55:00,685 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:55:00,704 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:55:00,705 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:55:00,705 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:55:00,705 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:55:00,705 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:55:00,705 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:55:00,705 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:55:00,705 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:55:00,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:55:00,717 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-18 16:55:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:55:00,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:00,721 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:00,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:00,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:00,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1174642170, now seen corresponding path program 1 times [2018-11-18 16:55:00,728 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:55:00,728 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 16:55:00,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:00,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:55:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:00,791 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:55:00,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:55:00,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:55:00,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:55:00,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:55:00,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:55:00,811 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-18 16:55:00,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:00,823 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-11-18 16:55:00,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:55:00,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 16:55:00,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:00,830 INFO L225 Difference]: With dead ends: 52 [2018-11-18 16:55:00,831 INFO L226 Difference]: Without dead ends: 26 [2018-11-18 16:55:00,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:55:00,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-18 16:55:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-18 16:55:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-18 16:55:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-18 16:55:00,862 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-11-18 16:55:00,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:00,862 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-18 16:55:00,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:55:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-18 16:55:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 16:55:00,863 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:55:00,863 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:55:00,864 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:55:00,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:55:00,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1830160736, now seen corresponding path program 1 times [2018-11-18 16:55:00,865 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:55:00,865 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 16:55:00,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:55:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:55:00,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:55:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:55:01,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:55:01,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:55:01,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-18 16:55:01,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 16:55:01,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 16:55:01,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:55:01,269 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-11-18 16:55:01,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:55:01,794 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-18 16:55:01,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 16:55:01,794 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-11-18 16:55:01,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:55:01,795 INFO L225 Difference]: With dead ends: 26 [2018-11-18 16:55:01,795 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:55:01,796 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-11-18 16:55:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:55:01,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:55:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:55:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:55:01,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-18 16:55:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:55:01,797 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:55:01,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 16:55:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:55:01,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:55:01,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:55:01,846 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-11-18 16:55:01,846 INFO L421 ceAbstractionStarter]: At program point L29-3(lines 29 33) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-18 16:55:01,846 INFO L425 ceAbstractionStarter]: For program point L29-4(lines 29 33) no Hoare annotation was computed. [2018-11-18 16:55:01,846 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 27 36) the Hoare annotation is: true [2018-11-18 16:55:01,846 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 27 36) no Hoare annotation was computed. [2018-11-18 16:55:01,846 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 27 36) no Hoare annotation was computed. [2018-11-18 16:55:01,847 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:55:01,847 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:55:01,847 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:55:01,847 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-18 16:55:01,847 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-11-18 16:55:01,847 INFO L421 ceAbstractionStarter]: At program point L13-3(lines 13 17) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2018-11-18 16:55:01,847 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-18 16:55:01,847 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 11 24) the Hoare annotation is: true [2018-11-18 16:55:01,848 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-18 16:55:01,849 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 11 24) no Hoare annotation was computed. [2018-11-18 16:55:01,849 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2018-11-18 16:55:01,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:55:01,849 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:55:01,849 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:55:01,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:55:01,849 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2018-11-18 16:55:01,849 INFO L421 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-18 16:55:01,850 INFO L425 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-18 16:55:01,850 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 38 56) the Hoare annotation is: true [2018-11-18 16:55:01,850 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 38 56) no Hoare annotation was computed. [2018-11-18 16:55:01,850 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 38 56) no Hoare annotation was computed. [2018-11-18 16:55:01,850 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 16:55:01,850 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 51) no Hoare annotation was computed. [2018-11-18 16:55:01,850 INFO L421 ceAbstractionStarter]: At program point L50(line 50) the Hoare annotation is: (and (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483647 32) fabs_float_~ix~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp ((_ extract 31 31) fabs_float_~ix~0) ((_ extract 30 23) fabs_float_~ix~0) ((_ extract 22 0) fabs_float_~ix~0)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))))) [2018-11-18 16:55:01,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:55:01 BoogieIcfgContainer [2018-11-18 16:55:01,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:55:01,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:55:01,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:55:01,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:55:01,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:55:00" (3/4) ... [2018-11-18 16:55:01,862 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:55:01,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 16:55:01,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:55:01,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 16:55:01,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:55:01,871 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 16:55:01,872 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 16:55:01,872 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:55:01,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 16:55:01,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 16:55:01,904 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c99498d-7fc1-4fb5-8bd1-b4d7838fff40/bin-2019/utaipan/witness.graphml [2018-11-18 16:55:01,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:55:01,905 INFO L168 Benchmark]: Toolchain (without parser) took 1700.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.8 MB in the beginning and 962.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:01,906 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:01,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.06 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:01,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.05 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:01,906 INFO L168 Benchmark]: Boogie Preprocessor took 23.35 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:01,907 INFO L168 Benchmark]: RCFGBuilder took 226.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:01,907 INFO L168 Benchmark]: TraceAbstraction took 1200.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.6 MB in the end (delta: 122.3 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:01,907 INFO L168 Benchmark]: Witness Printer took 44.92 ms. Allocated memory is still 1.1 GB. Free memory is still 962.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:01,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.06 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.05 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.35 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 226.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1200.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.6 MB in the end (delta: 122.3 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. * Witness Printer took 44.92 ms. Allocated memory is still 1.1 GB. Free memory is still 962.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: 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: 13]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 10 SDslu, 139 SDs, 0 SdLazy, 90 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 63 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 8 QuantifiedInterpolants, 8169 SizeOfPredicates, 7 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...