./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7891ae4dafa78057f773d618d0930e65225f61c .................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7891ae4dafa78057f773d618d0930e65225f61c ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:02:54,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:02:54,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:02:54,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:02:54,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:02:54,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:02:54,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:02:54,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:02:54,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:02:54,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:02:54,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:02:54,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:02:54,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:02:54,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:02:54,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:02:54,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:02:54,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:02:54,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:02:54,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:02:54,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:02:54,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:02:54,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:02:54,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:02:54,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:02:54,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:02:54,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:02:54,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:02:54,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:02:54,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:02:54,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:02:54,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:02:54,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:02:54,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:02:54,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:02:54,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:02:54,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:02:54,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:02:54,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:02:54,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:02:54,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:02:54,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:02:54,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:02:54,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:02:54,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:02:54,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:02:54,477 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:02:54,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:02:54,477 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:02:54,477 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:02:54,477 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:02:54,477 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:02:54,477 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:02:54,478 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:02:54,478 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:02:54,478 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:02:54,478 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:02:54,478 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:02:54,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:02:54,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:02:54,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:02:54,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:02:54,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:02:54,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:02:54,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:02:54,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:02:54,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:02:54,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:02:54,481 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7891ae4dafa78057f773d618d0930e65225f61c [2019-12-07 21:02:54,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:02:54,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:02:54,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:02:54,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:02:54,593 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:02:54,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2019-12-07 21:02:54,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/8a2f0f99b/db12485414634b13b6aed60edf4368a1/FLAG9046ea71e [2019-12-07 21:02:54,979 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:02:54,979 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2019-12-07 21:02:54,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/8a2f0f99b/db12485414634b13b6aed60edf4368a1/FLAG9046ea71e [2019-12-07 21:02:54,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/8a2f0f99b/db12485414634b13b6aed60edf4368a1 [2019-12-07 21:02:54,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:02:54,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:02:54,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:02:54,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:02:54,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:02:54,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:02:54" (1/1) ... [2019-12-07 21:02:54,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1f8437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:54, skipping insertion in model container [2019-12-07 21:02:54,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:02:54" (1/1) ... [2019-12-07 21:02:55,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:02:55,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:02:55,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:02:55,151 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:02:55,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:02:55,175 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:02:55,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55 WrapperNode [2019-12-07 21:02:55,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:02:55,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:02:55,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:02:55,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:02:55,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:02:55,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:02:55,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:02:55,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:02:55,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... [2019-12-07 21:02:55,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:02:55,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:02:55,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:02:55,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:02:55,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:02:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:02:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:02:55,337 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:02:55,337 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 21:02:55,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:55 BoogieIcfgContainer [2019-12-07 21:02:55,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:02:55,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:02:55,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:02:55,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:02:55,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:02:54" (1/3) ... [2019-12-07 21:02:55,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23ece5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:02:55, skipping insertion in model container [2019-12-07 21:02:55,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:55" (2/3) ... [2019-12-07 21:02:55,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23ece5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:02:55, skipping insertion in model container [2019-12-07 21:02:55,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:55" (3/3) ... [2019-12-07 21:02:55,343 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2019-12-07 21:02:55,349 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:02:55,353 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:02:55,360 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:02:55,374 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:02:55,374 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:02:55,374 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:02:55,374 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:02:55,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:02:55,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:02:55,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:02:55,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:02:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-07 21:02:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 21:02:55,386 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:02:55,386 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 21:02:55,387 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:02:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:02:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-12-07 21:02:55,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:02:55,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696725636] [2019-12-07 21:02:55,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:02:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:02:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:02:55,463 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:02:55,464 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:02:55,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:02:55 BoogieIcfgContainer [2019-12-07 21:02:55,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:02:55,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:02:55,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:02:55,476 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:02:55,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:55" (3/4) ... [2019-12-07 21:02:55,478 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:02:55,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:02:55,480 INFO L168 Benchmark]: Toolchain (without parser) took 485.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:55,480 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:55,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:55,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:55,482 INFO L168 Benchmark]: Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:55,482 INFO L168 Benchmark]: RCFGBuilder took 130.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:55,483 INFO L168 Benchmark]: TraceAbstraction took 136.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:55,483 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:55,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 130.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.1 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L4] float f = 0x1.9e0c22p-101f; [L5] float g = -0x1.3c9014p-50f; [L6] float target = -0x1p-149f; [L8] float result = f * g; [L10] COND TRUE !(result == target) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 21:02:56,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:02:56,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:02:56,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:02:56,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:02:56,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:02:56,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:02:56,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:02:56,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:02:56,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:02:56,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:02:56,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:02:56,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:02:56,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:02:56,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:02:56,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:02:56,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:02:56,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:02:56,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:02:56,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:02:56,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:02:56,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:02:56,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:02:56,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:02:56,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:02:56,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:02:56,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:02:56,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:02:56,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:02:56,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:02:56,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:02:56,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:02:56,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:02:56,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:02:56,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:02:56,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:02:56,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:02:56,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:02:56,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:02:56,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:02:56,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:02:56,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:02:56,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:02:56,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:02:56,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:02:56,857 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:02:56,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:02:56,857 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:02:56,857 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:02:56,857 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:02:56,858 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:02:56,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:02:56,858 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:02:56,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:02:56,859 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:02:56,860 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:02:56,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:02:56,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:02:56,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:02:56,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:02:56,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:02:56,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:02:56,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:02:56,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:02:56,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:02:56,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:02:56,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:02:56,861 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:02:56,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:02:56,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:02:56,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:02:56,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:02:56,862 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7891ae4dafa78057f773d618d0930e65225f61c [2019-12-07 21:02:57,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:02:57,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:02:57,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:02:57,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:02:57,054 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:02:57,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2019-12-07 21:02:57,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/e5929e29f/57852c1af0b74e60abc2d36a93b19f07/FLAGaa4531336 [2019-12-07 21:02:57,484 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:02:57,485 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2019-12-07 21:02:57,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/e5929e29f/57852c1af0b74e60abc2d36a93b19f07/FLAGaa4531336 [2019-12-07 21:02:57,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/data/e5929e29f/57852c1af0b74e60abc2d36a93b19f07 [2019-12-07 21:02:57,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:02:57,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:02:57,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:02:57,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:02:57,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:02:57,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:02:57" (1/1) ... [2019-12-07 21:02:57,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c1bc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:57, skipping insertion in model container [2019-12-07 21:02:57,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:02:57" (1/1) ... [2019-12-07 21:02:57,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:02:57,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:02:58,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:02:58,026 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:02:58,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:02:58,052 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:02:58,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58 WrapperNode [2019-12-07 21:02:58,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:02:58,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:02:58,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:02:58,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:02:58,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:02:58,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:02:58,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:02:58,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:02:58,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... [2019-12-07 21:02:58,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:02:58,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:02:58,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:02:58,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:02:58,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:02:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:02:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:02:58,398 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:02:58,399 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 21:02:58,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:58 BoogieIcfgContainer [2019-12-07 21:02:58,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:02:58,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:02:58,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:02:58,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:02:58,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:02:57" (1/3) ... [2019-12-07 21:02:58,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611d74ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:02:58, skipping insertion in model container [2019-12-07 21:02:58,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:58" (2/3) ... [2019-12-07 21:02:58,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611d74ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:02:58, skipping insertion in model container [2019-12-07 21:02:58,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:58" (3/3) ... [2019-12-07 21:02:58,405 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2019-12-07 21:02:58,412 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:02:58,416 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:02:58,423 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:02:58,441 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:02:58,441 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:02:58,441 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:02:58,441 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:02:58,441 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:02:58,441 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:02:58,441 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:02:58,441 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:02:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 21:02:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 21:02:58,453 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:02:58,454 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 21:02:58,454 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:02:58,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:02:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-12-07 21:02:58,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:02:58,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392840248] [2019-12-07 21:02:58,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 21:02:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:02:58,545 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 21:02:58,549 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:02:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:02:58,591 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:02:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:02:58,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392840248] [2019-12-07 21:02:58,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:02:58,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 21:02:58,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320370593] [2019-12-07 21:02:58,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:02:58,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:02:58,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:02:58,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:02:58,647 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2019-12-07 21:02:58,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:02:58,779 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 21:02:58,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:02:58,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-12-07 21:02:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:02:58,785 INFO L225 Difference]: With dead ends: 13 [2019-12-07 21:02:58,785 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:02:58,787 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:02:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:02:58,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:02:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:02:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:02:58,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-12-07 21:02:58,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:02:58,803 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:02:58,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:02:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:02:58,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:02:59,004 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:02:59,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:02:59,079 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:02:59,079 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:02:59,079 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:02:59,079 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:02:59,079 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-12-07 21:02:59,080 INFO L242 CegarLoopResult]: At program point L12(lines 3 13) the Hoare annotation is: (and (= (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))) ULTIMATE.start_main_~target~0) (= ULTIMATE.start_main_~result~0 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 21:02:59,080 INFO L246 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2019-12-07 21:02:59,080 INFO L246 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2019-12-07 21:02:59,080 INFO L246 CegarLoopResult]: For program point L10-3(line 10) no Hoare annotation was computed. [2019-12-07 21:02:59,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:02:59,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:02:59,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:02:59 BoogieIcfgContainer [2019-12-07 21:02:59,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:02:59,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:02:59,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:02:59,093 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:02:59,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:58" (3/4) ... [2019-12-07 21:02:59,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:02:59,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:02:59,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 21:02:59,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:02:59,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12e43874-c33c-4f38-936a-e11197653454/bin/utaipan/witness.graphml [2019-12-07 21:02:59,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:02:59,127 INFO L168 Benchmark]: Toolchain (without parser) took 1247.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -85.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,128 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:59,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,129 INFO L168 Benchmark]: Boogie Preprocessor took 15.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,129 INFO L168 Benchmark]: RCFGBuilder took 276.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,130 INFO L168 Benchmark]: TraceAbstraction took 692.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,130 INFO L168 Benchmark]: Witness Printer took 33.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:59,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 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 54.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 276.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 692.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * Witness Printer took 33.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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: 3]: Loop Invariant [2019-12-07 21:02:59,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:02:59,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:02:59,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/713623846352979940529142984724747568191373312)) == target && result == ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 13567505/21267647932558653966460912964485513216), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 5186565/4722366482869645213696)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 21 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 5 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...