./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ......................................................................................................................................................................................................................................................... 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_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:27:45,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:27:45,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:27:45,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:27:45,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:27:45,176 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:27:45,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:27:45,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:27:45,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:27:45,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:27:45,179 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:27:45,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:27:45,180 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:27:45,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:27:45,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:27:45,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:27:45,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:27:45,183 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:27:45,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:27:45,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:27:45,185 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:27:45,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:27:45,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:27:45,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:27:45,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:27:45,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:27:45,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:27:45,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:27:45,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:27:45,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:27:45,189 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:27:45,190 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:27:45,190 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:27:45,190 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:27:45,190 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:27:45,191 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:27:45,191 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 05:27:45,198 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:27:45,198 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:27:45,199 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:27:45,199 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:27:45,199 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:27:45,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:27:45,200 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:27:45,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:27:45,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:27:45,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:27:45,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:27:45,202 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:27:45,202 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 05:27:45,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:27:45,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:27:45,202 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 05:27:45,202 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_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-12-09 05:27:45,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:27:45,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:27:45,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:27:45,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:27:45,229 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:27:45,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-09 05:27:45,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/75482f7ec/16ddc1ac390f41c09133c2957640d434/FLAG8b3069ec0 [2018-12-09 05:27:45,633 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:27:45,633 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-09 05:27:45,637 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/75482f7ec/16ddc1ac390f41c09133c2957640d434/FLAG8b3069ec0 [2018-12-09 05:27:45,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/75482f7ec/16ddc1ac390f41c09133c2957640d434 [2018-12-09 05:27:45,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:27:45,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:27:45,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:45,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:27:45,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:27:45,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45, skipping insertion in model container [2018-12-09 05:27:45,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:27:45,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:27:45,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:45,749 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:27:45,759 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:45,766 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:27:45,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45 WrapperNode [2018-12-09 05:27:45,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:45,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:45,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:27:45,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:27:45,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:45,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:27:45,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:27:45,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:27:45,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... [2018-12-09 05:27:45,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:27:45,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:27:45,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:27:45,791 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:27:45,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 [2018-12-09 05:27:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:27:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:27:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:27:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:27:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:27:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:27:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 05:27:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 05:27:45,922 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:27:45,922 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 05:27:45,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:45 BoogieIcfgContainer [2018-12-09 05:27:45,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:27:45,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:27:45,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:27:45,925 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:27:45,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:27:45" (1/3) ... [2018-12-09 05:27:45,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372a448a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:27:45, skipping insertion in model container [2018-12-09 05:27:45,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:45" (2/3) ... [2018-12-09 05:27:45,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372a448a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:27:45, skipping insertion in model container [2018-12-09 05:27:45,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:45" (3/3) ... [2018-12-09 05:27:45,927 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-09 05:27:45,933 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:27:45,937 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:27:45,946 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:27:45,965 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:27:45,965 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:27:45,965 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:27:45,965 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:27:45,965 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:27:45,965 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:27:45,965 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:27:45,965 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:27:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-09 05:27:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 05:27:45,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:27:45,979 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:27:45,981 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:27:45,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:27:45,984 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-09 05:27:45,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:27:46,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:27:46,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:27:46,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:27:46,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:27:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:27:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:27:46,050 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 05:27:46,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:27:46 BoogieIcfgContainer [2018-12-09 05:27:46,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:27:46,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:27:46,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:27:46,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:27:46,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:45" (3/4) ... [2018-12-09 05:27:46,067 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 05:27:46,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:27:46,068 INFO L168 Benchmark]: Toolchain (without parser) took 421.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:46,069 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 05:27:46,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.98 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:46,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.86 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:46,070 INFO L168 Benchmark]: Boogie Preprocessor took 11.33 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:46,071 INFO L168 Benchmark]: RCFGBuilder took 132.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:46,071 INFO L168 Benchmark]: TraceAbstraction took 140.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:46,072 INFO L168 Benchmark]: Witness Printer took 3.22 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. [2018-12-09 05:27:46,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 118.98 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.86 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.33 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 132.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 140.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 0.1.23-635dfa2 [2018-12-09 05:27:47,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:27:47,337 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:27:47,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:27:47,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:27:47,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:27:47,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:27:47,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:27:47,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:27:47,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:27:47,348 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:27:47,348 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:27:47,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:27:47,349 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:27:47,350 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:27:47,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:27:47,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:27:47,351 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:27:47,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:27:47,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:27:47,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:27:47,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:27:47,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:27:47,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:27:47,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:27:47,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:27:47,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:27:47,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:27:47,358 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:27:47,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:27:47,359 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:27:47,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:27:47,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:27:47,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:27:47,360 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:27:47,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:27:47,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 05:27:47,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:27:47,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:27:47,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:27:47,370 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:27:47,370 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:27:47,371 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:27:47,371 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:27:47,371 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:27:47,371 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:27:47,371 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:27:47,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:27:47,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:27:47,372 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:27:47,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:27:47,372 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:27:47,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:27:47,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:27:47,373 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 05:27:47,373 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 05:27:47,373 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:27:47,373 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:27:47,374 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:27:47,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:27:47,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:27:47,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:27:47,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:27:47,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:27:47,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:27:47,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:27:47,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:27:47,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:27:47,375 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 05:27:47,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:27:47,375 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 05:27:47,376 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 05:27:47,376 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_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-12-09 05:27:47,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:27:47,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:27:47,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:27:47,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:27:47,409 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:27:47,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-09 05:27:47,445 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/e9b2b50bc/25c3fe283b964654b7191887f71c6445/FLAGdb11e2c0a [2018-12-09 05:27:47,742 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:27:47,742 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-09 05:27:47,746 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/e9b2b50bc/25c3fe283b964654b7191887f71c6445/FLAGdb11e2c0a [2018-12-09 05:27:47,754 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/data/e9b2b50bc/25c3fe283b964654b7191887f71c6445 [2018-12-09 05:27:47,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:27:47,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:27:47,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:47,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:27:47,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:27:47,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3325a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47, skipping insertion in model container [2018-12-09 05:27:47,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:27:47,776 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:27:47,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:47,872 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:27:47,883 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:47,891 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:27:47,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47 WrapperNode [2018-12-09 05:27:47,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:47,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:47,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:27:47,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:27:47,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:47,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:27:47,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:27:47,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:27:47,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... [2018-12-09 05:27:47,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:27:47,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:27:47,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:27:47,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:27:47,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 [2018-12-09 05:27:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:27:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:27:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:27:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:27:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:27:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:27:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 05:27:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 05:27:48,057 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:27:48,057 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 05:27:48,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:48 BoogieIcfgContainer [2018-12-09 05:27:48,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:27:48,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:27:48,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:27:48,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:27:48,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:27:47" (1/3) ... [2018-12-09 05:27:48,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a46a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:27:48, skipping insertion in model container [2018-12-09 05:27:48,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:47" (2/3) ... [2018-12-09 05:27:48,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a46a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:27:48, skipping insertion in model container [2018-12-09 05:27:48,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:48" (3/3) ... [2018-12-09 05:27:48,062 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-09 05:27:48,067 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:27:48,071 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:27:48,080 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:27:48,096 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 05:27:48,096 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:27:48,096 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:27:48,096 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:27:48,096 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:27:48,097 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:27:48,097 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:27:48,097 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:27:48,097 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:27:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-09 05:27:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 05:27:48,109 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:27:48,110 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:27:48,111 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:27:48,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:27:48,114 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-09 05:27:48,116 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 05:27:48,117 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/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 [2018-12-09 05:27:48,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:27:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:27:59,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:27:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:27:59,187 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:27:59,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:27:59,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:27:59,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:27:59,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:27:59,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:27:59,284 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-09 05:27:59,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:27:59,314 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-09 05:27:59,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:27:59,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-09 05:27:59,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:27:59,319 INFO L225 Difference]: With dead ends: 24 [2018-12-09 05:27:59,319 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 05:27:59,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:27:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 05:27:59,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 05:27:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 05:27:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 05:27:59,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-09 05:27:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:27:59,336 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 05:27:59,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:27:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 05:27:59,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:27:59,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 05:27:59,369 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 05:27:59,370 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:27:59,370 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:27:59,370 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 05:27:59,370 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 05:27:59,370 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:27:59,370 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-09 05:27:59,370 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 33096.0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven .cse2 .cse0)))) main_~r~0) [2018-12-09 05:27:59,371 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-09 05:27:59,371 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-09 05:27:59,371 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-09 05:27:59,371 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-09 05:27:59,371 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-09 05:27:59,371 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-09 05:27:59,371 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-09 05:27:59,372 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-09 05:27:59,372 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-09 05:27:59,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:27:59 BoogieIcfgContainer [2018-12-09 05:27:59,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:27:59,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:27:59,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:27:59,375 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:27:59,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:48" (3/4) ... [2018-12-09 05:27:59,378 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:27:59,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 05:27:59,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 05:27:59,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 05:27:59,387 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 05:27:59,387 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 05:27:59,387 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 05:27:59,411 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed8afc1f-d58b-4048-9876-a404ec8d8ff6/bin-2019/utaipan/witness.graphml [2018-12-09 05:27:59,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:27:59,412 INFO L168 Benchmark]: Toolchain (without parser) took 11655.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:59,413 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:59,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.10 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:59,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.33 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:59,413 INFO L168 Benchmark]: Boogie Preprocessor took 15.68 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:59,414 INFO L168 Benchmark]: RCFGBuilder took 136.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:59,414 INFO L168 Benchmark]: TraceAbstraction took 11315.98 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: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:59,414 INFO L168 Benchmark]: Witness Printer took 36.83 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. [2018-12-09 05:27:59,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.10 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.33 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.68 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 136.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11315.98 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: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * Witness Printer took 36.83 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: - PositiveResult [Line: 4]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...