./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/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 0165a55c46ef5a57261b602c26894979b70d9ffe .......................................................................................................................................................................................................................................... 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_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/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 0165a55c46ef5a57261b602c26894979b70d9ffe ......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:45:22,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:45:22,371 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:45:22,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:45:22,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:45:22,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:45:22,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:45:22,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:45:22,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:45:22,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:45:22,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:45:22,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:45:22,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:45:22,388 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:45:22,389 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:45:22,390 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:45:22,391 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:45:22,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:45:22,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:45:22,395 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:45:22,396 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:45:22,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:45:22,399 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:45:22,399 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:45:22,400 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:45:22,401 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:45:22,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:45:22,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:45:22,403 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:45:22,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:45:22,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:45:22,406 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:45:22,406 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:45:22,406 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:45:22,407 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:45:22,408 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:45:22,408 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:45:22,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:45:22,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:45:22,446 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:45:22,446 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:45:22,449 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:45:22,449 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:45:22,449 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:45:22,450 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:45:22,450 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:45:22,450 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:45:22,450 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:45:22,450 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:45:22,450 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:45:22,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:45:22,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:45:22,451 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:45:22,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:45:22,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:45:22,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:45:22,452 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:45:22,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:45:22,452 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:45:22,452 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:45:22,459 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:45:22,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:45:22,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:45:22,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:45:22,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:45:22,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:45:22,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:45:22,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:45:22,462 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_96b69508-7fbf-446e-98e6-7c6455f4f5a7/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-11-18 17:45:22,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:45:22,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:45:22,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:45:22,578 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:45:22,578 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:45:22,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-18 17:45:22,670 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/175288391/028fe2f600654237a713435c73aa62dc/FLAG89a25e1fd [2018-11-18 17:45:23,034 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:45:23,034 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-18 17:45:23,039 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/175288391/028fe2f600654237a713435c73aa62dc/FLAG89a25e1fd [2018-11-18 17:45:23,459 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/175288391/028fe2f600654237a713435c73aa62dc [2018-11-18 17:45:23,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:45:23,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:45:23,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:45:23,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:45:23,466 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:45:23,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74466433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23, skipping insertion in model container [2018-11-18 17:45:23,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:45:23,491 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:45:23,622 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:45:23,626 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:45:23,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:45:23,648 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:45:23,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23 WrapperNode [2018-11-18 17:45:23,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:45:23,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:45:23,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:45:23,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:45:23,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:45:23,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:45:23,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:45:23,666 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:45:23,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... [2018-11-18 17:45:23,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:45:23,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:45:23,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:45:23,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:45:23,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:45:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:45:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:45:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:45:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:45:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:45:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:45:23,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:45:23,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:45:23 BoogieIcfgContainer [2018-11-18 17:45:23,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:45:23,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:45:23,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:45:23,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:45:23,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:45:23" (1/3) ... [2018-11-18 17:45:23,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5f0886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:45:23, skipping insertion in model container [2018-11-18 17:45:23,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:23" (2/3) ... [2018-11-18 17:45:23,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5f0886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:45:23, skipping insertion in model container [2018-11-18 17:45:23,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:45:23" (3/3) ... [2018-11-18 17:45:23,934 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-18 17:45:23,942 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:45:23,948 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:45:23,960 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:45:23,985 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:45:23,985 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:45:23,985 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:45:23,985 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:45:23,985 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:45:23,985 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:45:23,985 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:45:23,985 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:45:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-18 17:45:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:45:24,004 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:45:24,005 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:45:24,007 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:45:24,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:45:24,012 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-18 17:45:24,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:45:24,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:45:24,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:45:24,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:45:24,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:45:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:45:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:45:24,099 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:45:24,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:45:24 BoogieIcfgContainer [2018-11-18 17:45:24,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:45:24,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:45:24,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:45:24,122 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:45:24,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:45:23" (3/4) ... [2018-11-18 17:45:24,126 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:45:24,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:45:24,127 INFO L168 Benchmark]: Toolchain (without parser) took 665.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:24,128 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:24,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:24,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.00 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:24,130 INFO L168 Benchmark]: Boogie Preprocessor took 15.50 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:24,130 INFO L168 Benchmark]: RCFGBuilder took 245.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:24,131 INFO L168 Benchmark]: TraceAbstraction took 193.95 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. [2018-11-18 17:45:24,131 INFO L168 Benchmark]: Witness Printer took 4.09 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. [2018-11-18 17:45:24,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.00 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.50 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 245.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 193.95 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 4.09 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 to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 VAL [i=1] [L10] __VERIFIER_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 0.1.23-5842f4b [2018-11-18 17:45:26,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:45:26,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:45:26,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:45:26,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:45:26,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:45:26,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:45:26,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:45:26,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:45:26,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:45:26,344 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:45:26,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:45:26,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:45:26,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:45:26,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:45:26,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:45:26,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:45:26,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:45:26,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:45:26,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:45:26,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:45:26,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:45:26,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:45:26,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:45:26,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:45:26,364 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:45:26,365 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:45:26,366 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:45:26,366 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:45:26,367 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:45:26,367 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:45:26,368 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:45:26,368 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:45:26,368 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:45:26,369 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:45:26,370 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:45:26,370 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:45:26,390 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:45:26,390 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:45:26,391 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:45:26,391 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:45:26,391 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:45:26,391 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:45:26,391 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:45:26,392 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:45:26,392 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:45:26,392 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:45:26,392 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:45:26,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:45:26,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:45:26,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:45:26,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:45:26,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:45:26,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:45:26,404 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:45:26,405 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:45:26,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:45:26,405 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:45:26,405 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:45:26,405 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_96b69508-7fbf-446e-98e6-7c6455f4f5a7/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-11-18 17:45:26,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:45:26,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:45:26,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:45:26,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:45:26,489 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:45:26,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-18 17:45:26,589 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/d4505c2d7/8171e506900d4b158c046a12202d4545/FLAG128d5210d [2018-11-18 17:45:26,944 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:45:26,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-18 17:45:26,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/d4505c2d7/8171e506900d4b158c046a12202d4545/FLAG128d5210d [2018-11-18 17:45:27,374 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/data/d4505c2d7/8171e506900d4b158c046a12202d4545 [2018-11-18 17:45:27,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:45:27,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:45:27,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:45:27,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:45:27,382 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:45:27,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1074a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27, skipping insertion in model container [2018-11-18 17:45:27,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:45:27,409 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:45:27,580 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:45:27,586 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:45:27,598 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:45:27,612 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:45:27,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27 WrapperNode [2018-11-18 17:45:27,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:45:27,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:45:27,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:45:27,614 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:45:27,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:45:27,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:45:27,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:45:27,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:45:27,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... [2018-11-18 17:45:27,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:45:27,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:45:27,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:45:27,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:45:27,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:45:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:45:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:45:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:45:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:45:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:45:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:45:27,962 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:45:27,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:45:27 BoogieIcfgContainer [2018-11-18 17:45:27,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:45:27,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:45:27,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:45:27,966 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:45:27,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:45:27" (1/3) ... [2018-11-18 17:45:27,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a32a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:45:27, skipping insertion in model container [2018-11-18 17:45:27,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:45:27" (2/3) ... [2018-11-18 17:45:27,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a32a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:45:27, skipping insertion in model container [2018-11-18 17:45:27,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:45:27" (3/3) ... [2018-11-18 17:45:27,969 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-18 17:45:27,977 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:45:27,983 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:45:27,995 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:45:28,018 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:45:28,019 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:45:28,019 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:45:28,019 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:45:28,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:45:28,020 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:45:28,020 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:45:28,020 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:45:28,020 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:45:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-18 17:45:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:45:28,038 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:45:28,039 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:45:28,042 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:45:28,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:45:28,047 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-18 17:45:28,050 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:45:28,051 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 17:45:28,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:45:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:45:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:45:28,116 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:45:28,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:45:28 BoogieIcfgContainer [2018-11-18 17:45:28,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:45:28,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:45:28,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:45:28,145 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:45:28,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:45:27" (3/4) ... [2018-11-18 17:45:28,148 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 17:45:28,181 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_96b69508-7fbf-446e-98e6-7c6455f4f5a7/bin-2019/utaipan/witness.graphml [2018-11-18 17:45:28,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:45:28,183 INFO L168 Benchmark]: Toolchain (without parser) took 805.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:28,184 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:28,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.76 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:28,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.30 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:28,186 INFO L168 Benchmark]: Boogie Preprocessor took 24.60 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:28,187 INFO L168 Benchmark]: RCFGBuilder took 302.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:28,188 INFO L168 Benchmark]: TraceAbstraction took 180.92 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:45:28,188 INFO L168 Benchmark]: Witness Printer took 36.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:45:28,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 234.76 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 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 21.30 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.60 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 302.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 180.92 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Witness Printer took 36.97 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: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; VAL [f=1.0, i=1] [L6] COND TRUE i == 1 VAL [f=1.0, i=1] [L10] __VERIFIER_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 proved your program to be incorrect! Received shutdown request...