./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/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 55e25fd47a6133e138b684ec17fad2c015ceccf7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/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 55e25fd47a6133e138b684ec17fad2c015ceccf7 ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:59:51,588 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:59:51,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:59:51,597 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:59:51,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:59:51,598 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:59:51,599 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:59:51,601 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:59:51,602 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:59:51,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:59:51,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:59:51,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:59:51,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:59:51,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:59:51,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:59:51,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:59:51,607 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:59:51,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:59:51,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:59:51,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:59:51,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:59:51,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:59:51,616 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:59:51,616 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:59:51,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:59:51,617 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:59:51,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:59:51,619 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:59:51,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:59:51,620 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:59:51,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:59:51,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:59:51,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:59:51,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:59:51,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:59:51,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:59:51,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:59:51,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:59:51,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:59:51,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:59:51,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:59:51,635 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:59:51,635 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:59:51,635 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:59:51,635 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:59:51,635 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:59:51,635 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:59:51,636 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:59:51,636 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:59:51,636 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:59:51,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:59:51,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:59:51,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:59:51,638 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:59:51,638 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:59:51,638 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:59:51,638 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:59:51,638 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:59:51,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:59:51,639 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:59:51,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:59:51,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:59:51,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:59:51,639 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:59:51,640 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:59:51,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:59:51,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:59:51,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:59:51,640 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_4e86579b-6118-412a-8eba-2ff47ee4e022/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 -> 55e25fd47a6133e138b684ec17fad2c015ceccf7 [2018-11-22 22:59:51,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:59:51,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:59:51,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:59:51,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:59:51,686 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:59:51,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c [2018-11-22 22:59:51,741 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/08c725df5/ce67b41c7ca44f28a68c03bc8f8a3949/FLAGf62e051c3 [2018-11-22 22:59:52,093 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:59:52,093 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c [2018-11-22 22:59:52,098 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/08c725df5/ce67b41c7ca44f28a68c03bc8f8a3949/FLAGf62e051c3 [2018-11-22 22:59:52,109 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/08c725df5/ce67b41c7ca44f28a68c03bc8f8a3949 [2018-11-22 22:59:52,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:59:52,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:59:52,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:59:52,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:59:52,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:59:52,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f3324f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52, skipping insertion in model container [2018-11-22 22:59:52,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:59:52,154 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:59:52,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:59:52,311 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:59:52,336 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:59:52,352 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:59:52,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52 WrapperNode [2018-11-22 22:59:52,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:59:52,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:59:52,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:59:52,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:59:52,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:59:52,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:59:52,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:59:52,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:59:52,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... [2018-11-22 22:59:52,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:59:52,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:59:52,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:59:52,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:59:52,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/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 [2018-11-22 22:59:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-22 22:59:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:59:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-22 22:59:52,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-22 22:59:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:59:52,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:59:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-22 22:59:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:59:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2018-11-22 22:59:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2018-11-22 22:59:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:59:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:59:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:59:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:59:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:59:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:59:52,688 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:59:52,688 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-22 22:59:52,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:52 BoogieIcfgContainer [2018-11-22 22:59:52,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:59:52,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:59:52,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:59:52,692 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:59:52,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:59:52" (1/3) ... [2018-11-22 22:59:52,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b92875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:59:52, skipping insertion in model container [2018-11-22 22:59:52,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:52" (2/3) ... [2018-11-22 22:59:52,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b92875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:59:52, skipping insertion in model container [2018-11-22 22:59:52,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:52" (3/3) ... [2018-11-22 22:59:52,695 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032d_true-unreach-call.c [2018-11-22 22:59:52,704 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:59:52,712 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:59:52,724 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:59:52,746 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:59:52,746 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:59:52,746 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:59:52,747 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:59:52,747 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:59:52,747 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:59:52,747 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:59:52,747 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:59:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-22 22:59:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 22:59:52,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:59:52,767 INFO L402 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] [2018-11-22 22:59:52,769 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:59:52,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:59:52,773 INFO L82 PathProgramCache]: Analyzing trace with hash 636729620, now seen corresponding path program 1 times [2018-11-22 22:59:52,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:59:52,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:59:52,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:59:52,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:59:52,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:59:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:59:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:59:52,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:59:52,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:59:52,879 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:59:52,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:59:52,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:59:52,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:59:52,894 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-11-22 22:59:52,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:59:52,914 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2018-11-22 22:59:52,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:59:52,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-22 22:59:52,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:59:52,925 INFO L225 Difference]: With dead ends: 66 [2018-11-22 22:59:52,925 INFO L226 Difference]: Without dead ends: 33 [2018-11-22 22:59:52,929 INFO L631 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 [2018-11-22 22:59:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-22 22:59:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-22 22:59:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-22 22:59:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2018-11-22 22:59:52,966 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 24 [2018-11-22 22:59:52,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:59:52,966 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2018-11-22 22:59:52,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:59:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-22 22:59:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 22:59:52,967 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:59:52,967 INFO L402 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] [2018-11-22 22:59:52,967 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:59:52,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:59:52,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1180797057, now seen corresponding path program 1 times [2018-11-22 22:59:52,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:59:52,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:59:52,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:59:52,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:59:52,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:59:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:59:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:59:53,067 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450952, |#NULL.offset|=6442450944, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450944] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450944] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450944] [?] RET #85#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret8 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret6 := round_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] ~x := #in~x;havoc ~w~0;havoc ~exponent_less_127~0; VAL [round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [round_float_~w~0=6442450948, round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] goto; VAL [round_float_~w~0=6442450948, round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [round_float_~exponent_less_127~0=128, round_float_~w~0=6442450948, round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] assume !(~exponent_less_127~0 < 23); VAL [round_float_~exponent_less_127~0=128, round_float_~w~0=6442450948, round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] assume 128 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [round_float_~exponent_less_127~0=128, round_float_~w~0=6442450948, round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] assume true; VAL [round_float_~exponent_less_127~0=128, round_float_~w~0=6442450948, round_float_~x=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |round_float_#in~x|=6442450951.0] [?] RET #89#return; VAL [main_~x~0=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=6442450946.0] [?] ~res~0 := #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450946.0, main_~x~0=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret7 := isinf_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450946.0] [?] ~x := #in~x;havoc ~ix~0; VAL [isinf_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450946.0] [?] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4);call #t~mem4 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4);~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union5, ~#gf_u~1.base, ~#gf_u~1.offset, 4);havoc #t~mem4;havoc #t~union5;call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset);havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [isinf_float_~ix~0=2147483647, isinf_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450946.0] [?] goto; VAL [isinf_float_~ix~0=2147483647, isinf_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450946.0] [?] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [isinf_float_~ix~0=0, isinf_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450946.0, |isinf_float_#res|=0] [?] assume true; VAL [isinf_float_~ix~0=0, isinf_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450946.0, |isinf_float_#res|=0] [?] RET #91#return; VAL [main_~res~0=6442450946.0, main_~x~0=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0] [?] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [main_~res~0=6442450946.0, main_~x~0=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0] [?] assume 0 == #t~ret7;havoc #t~ret7; VAL [main_~res~0=6442450946.0, main_~x~0=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0] [?] assume !false; VAL [main_~res~0=6442450946.0, main_~x~0=6442450951.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450944, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450944] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450944] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450944] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L73] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0] [L74] CALL call #t~ret6 := round_float(~x~0); VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0] [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450951E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~w~0 := #t~mem0; [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~w~0=6442450948, ~x=6.442450951E9] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L24-L45] assume !(~exponent_less_127~0 < 23); VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L40-L44] assume 128 == ~exponent_less_127~0; [L42] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L11-L52] ensures true; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L74] RET call #t~ret6 := round_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450951E9] [L74] ~res~0 := #t~ret6; [L74] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0] [L55-L64] ~x := #in~x; [L56] havoc ~ix~0; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450946E9] [L58] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4); [L59] call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L60] call #t~mem4 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4); [L60] ~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L60] call write~real(#t~union5, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L60] havoc #t~mem4; [L60] havoc #t~union5; [L58] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L58] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~ix~0=2147483647, ~x=6.442450946E9] [L62] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647); [L63] #res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L55-L64] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L77] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77-L80] assume 0 == #t~ret7; [L77] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L78] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450944, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450944] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450944] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450944] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L73] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0] [L74] CALL call #t~ret6 := round_float(~x~0); VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0] [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450951E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~w~0 := #t~mem0; [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~w~0=6442450948, ~x=6.442450951E9] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L24-L45] assume !(~exponent_less_127~0 < 23); VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L40-L44] assume 128 == ~exponent_less_127~0; [L42] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L11-L52] ensures true; VAL [#in~x=6.442450951E9, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L74] RET call #t~ret6 := round_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450951E9] [L74] ~res~0 := #t~ret6; [L74] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0] [L55-L64] ~x := #in~x; [L56] havoc ~ix~0; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450946E9] [L58] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4); [L59] call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L60] call #t~mem4 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4); [L60] ~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L60] call write~real(#t~union5, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L60] havoc #t~mem4; [L60] havoc #t~union5; [L58] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L58] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~ix~0=2147483647, ~x=6.442450946E9] [L62] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647); [L63] #res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L55-L64] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L77] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77-L80] assume 0 == #t~ret7; [L77] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L78] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450944, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L74] CALL call #t~ret6 := round_float(~x~0); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0] [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450951E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~w~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~w~0=6442450948, ~x=6.442450951E9] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L24] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L40] COND TRUE 128 == ~exponent_less_127~0 [L42] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L74] RET call #t~ret6 := round_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450951E9] [L74] ~res~0 := #t~ret6; [L74] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L55-L64] ~x := #in~x; [L56] havoc ~ix~0; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450946E9] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L59] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] ~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L60] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] havoc #t~mem4; [L60] havoc #t~union5; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~ix~0=2147483647, ~x=6.442450946E9] [L62] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647); [L63] #res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L77] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] COND TRUE 0 == #t~ret7 [L77] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L78] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450944, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L74] CALL call #t~ret6 := round_float(~x~0); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0] [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450951E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~w~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~w~0=6442450948, ~x=6.442450951E9] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L24] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L40] COND TRUE 128 == ~exponent_less_127~0 [L42] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L74] RET call #t~ret6 := round_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450951E9] [L74] ~res~0 := #t~ret6; [L74] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L55-L64] ~x := #in~x; [L56] havoc ~ix~0; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450946E9] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L59] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] ~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L60] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] havoc #t~mem4; [L60] havoc #t~union5; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~ix~0=2147483647, ~x=6.442450946E9] [L62] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647); [L63] #res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L77] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] COND TRUE 0 == #t~ret7 [L77] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L78] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450944, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L74] CALL call #t~ret6 := round_float(~x~0); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0] [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450951E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~w~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~w~0=6442450948, ~x=6.442450951E9] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L24] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L40] COND TRUE 128 == ~exponent_less_127~0 [L42] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L74] RET call #t~ret6 := round_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450951E9] [L74] ~res~0 := #t~ret6; [L74] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L55-L64] ~x := #in~x; [L56] havoc ~ix~0; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450946E9] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L59] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] ~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L60] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] havoc #t~mem4; [L60] havoc #t~union5; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~ix~0=2147483647, ~x=6.442450946E9] [L62] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647); [L63] #res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L77] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] COND TRUE 0 == #t~ret7 [L77] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L78] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450944, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450944] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L73] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L74] CALL call #t~ret6 := round_float(~x~0); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0] [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450951E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~w~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~w~0=6442450948, ~x=6.442450951E9] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L24] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L40] COND TRUE 128 == ~exponent_less_127~0 [L42] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450951E9, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=128, ~w~0=6442450948, ~x=6.442450951E9] [L74] RET call #t~ret6 := round_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~x~0=6.442450951E9] [L74] ~res~0 := #t~ret6; [L74] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0] [L55-L64] ~x := #in~x; [L56] havoc ~ix~0; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450946E9] [L58] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L59] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] ~ix~0 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L60] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L60] havoc #t~mem4; [L60] havoc #t~union5; [L58] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L58] havoc ~#gf_u~1; VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~ix~0=2147483647, ~x=6.442450946E9] [L62] ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647); [L63] #res := (if 2139095040 == ~ix~0 then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~0=0, ~x=6.442450946E9] [L77] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L77] COND TRUE 0 == #t~ret7 [L77] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L78] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450946E9, ~x~0=6.442450951E9] [L73] float x = -1.0f / 0.0f; [L74] CALL, EXPR round_float(x) VAL [\old(x)=6442450951] [L12] __uint32_t w; [L14] int exponent_less_127; VAL [\old(x)=6442450951, x=6442450951] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450951, exponent_less_127=128, w=2147483652, x=6442450951] [L24] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450951, exponent_less_127=128, w=2147483652, x=6442450951] [L40] COND TRUE exponent_less_127 == 128 [L42] return x + x; VAL [\old(x)=6442450951, exponent_less_127=128, w=2147483652, x=6442450951] [L74] RET, EXPR round_float(x) VAL [round_float(x)=6442450946, x=6442450951] [L74] float res = round_float(x); [L77] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450946] [L56] __int32_t ix; VAL [\old(x)=6442450946, x=6442450946] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (ix) = gf_u.word [L62] ix &= 0x7fffffff [L63] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450946, \result=0, ix=0, x=6442450946] [L77] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450946, x=6442450951] [L77] COND TRUE !isinf_float(res) [L78] __VERIFIER_error() VAL [res=6442450946, x=6442450951] ----- [2018-11-22 22:59:53,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:59:53 BoogieIcfgContainer [2018-11-22 22:59:53,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:59:53,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:59:53,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:59:53,109 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:59:53,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:52" (3/4) ... [2018-11-22 22:59:53,113 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:59:53,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:59:53,114 INFO L168 Benchmark]: Toolchain (without parser) took 1002.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:53,116 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-22 22:59:53,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.17 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. [2018-11-22 22:59:53,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.77 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. [2018-11-22 22:59:53,117 INFO L168 Benchmark]: Boogie Preprocessor took 67.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:53,118 INFO L168 Benchmark]: RCFGBuilder took 245.66 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:53,118 INFO L168 Benchmark]: TraceAbstraction took 419.67 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:53,119 INFO L168 Benchmark]: Witness Printer took 4.51 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. [2018-11-22 22:59:53,122 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 238.17 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 21.77 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 67.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 245.66 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 419.67 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.51 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: 78]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of bitwiseAnd at line 62. Possible FailurePath: [L73] float x = -1.0f / 0.0f; [L74] CALL, EXPR round_float(x) VAL [\old(x)=6442450951] [L12] __uint32_t w; [L14] int exponent_less_127; VAL [\old(x)=6442450951, x=6442450951] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450951, exponent_less_127=128, w=2147483652, x=6442450951] [L24] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450951, exponent_less_127=128, w=2147483652, x=6442450951] [L40] COND TRUE exponent_less_127 == 128 [L42] return x + x; VAL [\old(x)=6442450951, exponent_less_127=128, w=2147483652, x=6442450951] [L74] RET, EXPR round_float(x) VAL [round_float(x)=6442450946, x=6442450951] [L74] float res = round_float(x); [L77] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450946] [L56] __int32_t ix; VAL [\old(x)=6442450946, x=6442450946] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (ix) = gf_u.word [L62] ix &= 0x7fffffff [L63] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450946, \result=0, ix=0, x=6442450946] [L77] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450946, x=6442450951] [L77] COND TRUE !isinf_float(res) [L78] __VERIFIER_error() VAL [res=6442450946, x=6442450951] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 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=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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-aa41828 [2018-11-22 22:59:54,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:59:54,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:59:54,815 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-22 22:59:54,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:59:54,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:59:54,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:59:54,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:59:54,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:59:54,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:59:54,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:59:54,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:59:54,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:59:54,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:59:54,840 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:59:54,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:59:54,841 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:59:54,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-22 22:59:54,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:59:54,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:59:54,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:59:54,855 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:59:54,855 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:59:54,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:59:54,856 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:59:54,856 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:59:54,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:59:54,856 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:59:54,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:59:54,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:59:54,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:59:54,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:59:54,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:59:54,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:59:54,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:59:54,858 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:59:54,858 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:59:54,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:59:54,858 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:59:54,859 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:59:54,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:59:54,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:59:54,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:59:54,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:59:54,860 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:59:54,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:59:54,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:59:54,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:59:54,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:59:54,860 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 22:59:54,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:59:54,861 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:59:54,861 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 22:59:54,861 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_4e86579b-6118-412a-8eba-2ff47ee4e022/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 -> 55e25fd47a6133e138b684ec17fad2c015ceccf7 [2018-11-22 22:59:54,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:59:54,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:59:54,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:59:54,910 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:59:54,911 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:59:54,911 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c [2018-11-22 22:59:54,956 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/647aec81b/4f15106f93d34adf9c45eef1c996ef4b/FLAGd338ed57f [2018-11-22 22:59:55,312 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:59:55,313 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/sv-benchmarks/c/float-newlib/float_req_bl_1032d_true-unreach-call.c [2018-11-22 22:59:55,317 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/647aec81b/4f15106f93d34adf9c45eef1c996ef4b/FLAGd338ed57f [2018-11-22 22:59:55,329 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/data/647aec81b/4f15106f93d34adf9c45eef1c996ef4b [2018-11-22 22:59:55,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:59:55,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:59:55,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:59:55,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:59:55,338 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:59:55,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f089c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55, skipping insertion in model container [2018-11-22 22:59:55,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:59:55,373 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:59:55,529 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:59:55,533 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:59:55,556 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:59:55,576 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:59:55,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55 WrapperNode [2018-11-22 22:59:55,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:59:55,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:59:55,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:59:55,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:59:55,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:59:55,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:59:55,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:59:55,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:59:55,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... [2018-11-22 22:59:55,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:59:55,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:59:55,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:59:55,625 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:59:55,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/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 [2018-11-22 22:59:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-22 22:59:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-22 22:59:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:59:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:59:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:59:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 22:59:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2018-11-22 22:59:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2018-11-22 22:59:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:59:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:59:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-22 22:59:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:59:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:59:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-22 22:59:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 22:59:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:59:55,885 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 22:59:55,944 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:59:55,944 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-22 22:59:55,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:55 BoogieIcfgContainer [2018-11-22 22:59:55,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:59:55,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:59:55,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:59:55,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:59:55,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:59:55" (1/3) ... [2018-11-22 22:59:55,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296e40cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:59:55, skipping insertion in model container [2018-11-22 22:59:55,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:55" (2/3) ... [2018-11-22 22:59:55,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296e40cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:59:55, skipping insertion in model container [2018-11-22 22:59:55,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:55" (3/3) ... [2018-11-22 22:59:55,951 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032d_true-unreach-call.c [2018-11-22 22:59:55,962 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:59:55,970 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:59:55,982 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:59:56,003 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:59:56,004 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:59:56,004 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:59:56,004 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:59:56,004 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:59:56,004 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:59:56,004 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:59:56,004 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:59:56,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:59:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-22 22:59:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 22:59:56,024 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:59:56,025 INFO L402 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] [2018-11-22 22:59:56,026 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:59:56,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:59:56,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1346515495, now seen corresponding path program 1 times [2018-11-22 22:59:56,035 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:59:56,035 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/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 [2018-11-22 22:59:56,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:59:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:59:56,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:59:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:59:56,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:59:56,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:59:56,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:59:56,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:59:56,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:59:56,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:59:56,155 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-11-22 22:59:56,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:59:56,173 INFO L93 Difference]: Finished difference Result 64 states and 87 transitions. [2018-11-22 22:59:56,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:59:56,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-22 22:59:56,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:59:56,184 INFO L225 Difference]: With dead ends: 64 [2018-11-22 22:59:56,184 INFO L226 Difference]: Without dead ends: 32 [2018-11-22 22:59:56,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:59:56,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-22 22:59:56,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-22 22:59:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-22 22:59:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-11-22 22:59:56,222 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2018-11-22 22:59:56,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:59:56,223 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-11-22 22:59:56,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:59:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-11-22 22:59:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-22 22:59:56,224 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:59:56,224 INFO L402 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] [2018-11-22 22:59:56,225 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:59:56,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:59:56,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1879157128, now seen corresponding path program 1 times [2018-11-22 22:59:56,225 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:59:56,226 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/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 [2018-11-22 22:59:56,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:59:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:59:56,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:59:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:59:57,065 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:59:57,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:59:57,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-22 22:59:57,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-22 22:59:57,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-22 22:59:57,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:59:57,076 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 11 states. [2018-11-22 22:59:57,718 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-22 22:59:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:59:58,689 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-11-22 22:59:58,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 22:59:58,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-11-22 22:59:58,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:59:58,692 INFO L225 Difference]: With dead ends: 41 [2018-11-22 22:59:58,692 INFO L226 Difference]: Without dead ends: 34 [2018-11-22 22:59:58,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-22 22:59:58,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-22 22:59:58,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-11-22 22:59:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-22 22:59:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2018-11-22 22:59:58,701 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 25 [2018-11-22 22:59:58,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:59:58,702 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2018-11-22 22:59:58,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-22 22:59:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-11-22 22:59:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-22 22:59:58,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:59:58,703 INFO L402 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] [2018-11-22 22:59:58,703 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:59:58,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:59:58,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1585754121, now seen corresponding path program 1 times [2018-11-22 22:59:58,704 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:59:58,704 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-22 22:59:58,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:59:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:59:58,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:59:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:59:58,842 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:59:58,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:59:58,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:59:58,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:59:58,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:59:58,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:59:58,853 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 7 states. [2018-11-22 22:59:59,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:59:59,120 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2018-11-22 22:59:59,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:59:59,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-22 22:59:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:59:59,122 INFO L225 Difference]: With dead ends: 34 [2018-11-22 22:59:59,122 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:59:59,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-22 22:59:59,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:59:59,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:59:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:59:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:59:59,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-22 22:59:59,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:59:59,123 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:59:59,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:59:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:59:59,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:59:59,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:59:59,197 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L444 ceAbstractionStarter]: At program point L57-2(lines 57 61) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 55 64) the Hoare annotation is: true [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 55 64) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 55 64) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L451 ceAbstractionStarter]: At program point round_floatENTRY(lines 11 52) the Hoare annotation is: true [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 29) no Hoare annotation was computed. [2018-11-22 22:59:59,198 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 38) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 50) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L46-1(lines 11 52) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 46 50) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point round_floatFINAL(lines 11 52) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 34) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point round_floatEXIT(lines 11 52) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 45) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (= round_float_~x |round_float_#in~x|) [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:59:59,199 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:59:59,200 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:59:59,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:59:59,200 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-22 22:59:59,200 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 65 83) the Hoare annotation is: true [2018-11-22 22:59:59,200 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= (fp.add roundNearestTiesToEven .cse0 .cse0) main_~res~0) (= main_~x~0 .cse0))) [2018-11-22 22:59:59,200 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 65 83) no Hoare annotation was computed. [2018-11-22 22:59:59,200 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 77 80) no Hoare annotation was computed. [2018-11-22 22:59:59,200 INFO L444 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-22 22:59:59,200 INFO L448 ceAbstractionStarter]: For program point L74-1(line 74) no Hoare annotation was computed. [2018-11-22 22:59:59,200 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 65 83) no Hoare annotation was computed. [2018-11-22 22:59:59,201 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 78) no Hoare annotation was computed. [2018-11-22 22:59:59,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:59:59 BoogieIcfgContainer [2018-11-22 22:59:59,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:59:59,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:59:59,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:59:59,211 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:59:59,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:55" (3/4) ... [2018-11-22 22:59:59,214 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:59:59,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-22 22:59:59,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:59:59,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure round_float [2018-11-22 22:59:59,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:59:59,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-22 22:59:59,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-22 22:59:59,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:59:59,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-22 22:59:59,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-22 22:59:59,268 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e86579b-6118-412a-8eba-2ff47ee4e022/bin-2019/utaipan/witness.graphml [2018-11-22 22:59:59,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:59:59,269 INFO L168 Benchmark]: Toolchain (without parser) took 3937.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.7 MB in the beginning and 978.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 119.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:59,271 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-22 22:59:59,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.93 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:59,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.58 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. [2018-11-22 22:59:59,272 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 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. [2018-11-22 22:59:59,272 INFO L168 Benchmark]: RCFGBuilder took 319.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:59,273 INFO L168 Benchmark]: TraceAbstraction took 3265.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.2 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:59,273 INFO L168 Benchmark]: Witness Printer took 58.19 ms. Allocated memory is still 1.2 GB. Free memory was 985.2 MB in the beginning and 978.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:59:59,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 242.93 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.58 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 26.76 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 319.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3265.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.2 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.19 ms. Allocated memory is still 1.2 GB. Free memory was 985.2 MB in the beginning and 978.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 78]: 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: 16]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 80 SDtfs, 53 SDslu, 256 SDs, 0 SdLazy, 137 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 49 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 6 QuantifiedInterpolants, 8260 SizeOfPredicates, 9 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...