./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 0165a55c46ef5a57261b602c26894979b70d9ffe ............................................................................................................................................................................................................................... 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_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 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 0.1.24-6b5699a [2019-11-26 02:10:53,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:10:53,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:10:53,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:10:53,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:10:53,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:10:53,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:10:53,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:10:53,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:10:53,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:10:53,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:10:53,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:10:53,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:10:53,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:10:53,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:10:53,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:10:53,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:10:53,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:10:53,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:10:53,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:10:53,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:10:53,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:10:53,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:10:53,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:10:53,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:10:53,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:10:53,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:10:53,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:10:53,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:10:53,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:10:53,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:10:53,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:10:53,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:10:53,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:10:53,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:10:53,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:10:53,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:10:53,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:10:53,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:10:53,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:10:53,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:10:53,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:10:53,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:10:53,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:10:53,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:10:53,388 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:10:53,388 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:10:53,388 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:10:53,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:10:53,389 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:10:53,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:10:53,389 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:10:53,390 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:10:53,390 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:10:53,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:10:53,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:10:53,390 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:10:53,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:10:53,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:10:53,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:10:53,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:10:53,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:10:53,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:10:53,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:10:53,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:10:53,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:10:53,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:10:53,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:10:53,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:10:53,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:10:53,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:10:53,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:10:53,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:10:53,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:10:53,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:10:53,395 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:10:53,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:10:53,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:10:53,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:10:53,396 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_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2019-11-26 02:10:53,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:10:53,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:10:53,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:10:53,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:10:53,592 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:10:53,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-26 02:10:53,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/0b5c6a217/e2833661059641b0a2cec738061a7275/FLAGb8561fab1 [2019-11-26 02:10:54,040 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:10:54,041 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-26 02:10:54,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/0b5c6a217/e2833661059641b0a2cec738061a7275/FLAGb8561fab1 [2019-11-26 02:10:54,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/0b5c6a217/e2833661059641b0a2cec738061a7275 [2019-11-26 02:10:54,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:10:54,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:10:54,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:54,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:10:54,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:10:54,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b4ff5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54, skipping insertion in model container [2019-11-26 02:10:54,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:10:54,104 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:10:54,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:54,335 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:10:54,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:54,360 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:10:54,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54 WrapperNode [2019-11-26 02:10:54,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:54,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:54,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:10:54,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:10:54,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:54,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:10:54,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:10:54,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:10:54,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... [2019-11-26 02:10:54,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:10:54,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:10:54,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:10:54,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:10:54,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 [2019-11-26 02:10:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:10:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:10:54,637 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:10:54,637 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:10:54,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:54 BoogieIcfgContainer [2019-11-26 02:10:54,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:10:54,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:10:54,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:10:54,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:10:54,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:10:54" (1/3) ... [2019-11-26 02:10:54,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359bfd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:54, skipping insertion in model container [2019-11-26 02:10:54,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:54" (2/3) ... [2019-11-26 02:10:54,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359bfd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:54, skipping insertion in model container [2019-11-26 02:10:54,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:54" (3/3) ... [2019-11-26 02:10:54,647 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-26 02:10:54,658 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:10:54,663 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:10:54,675 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:10:54,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:10:54,701 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:10:54,701 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:10:54,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:10:54,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:10:54,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:10:54,702 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:10:54,702 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:10:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-26 02:10:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:10:54,722 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:54,723 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-26 02:10:54,723 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:54,729 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-26 02:10:54,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:54,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764685761] [2019-11-26 02:10:54,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:10:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:10:54,825 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:10:54,825 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:10:54,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:10:54 BoogieIcfgContainer [2019-11-26 02:10:54,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:10:54,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:10:54,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:10:54,838 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:10:54,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:54" (3/4) ... [2019-11-26 02:10:54,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:10:54,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:10:54,843 INFO L168 Benchmark]: Toolchain (without parser) took 773.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:54,844 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:54,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:54,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:54,846 INFO L168 Benchmark]: Boogie Preprocessor took 16.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:54,847 INFO L168 Benchmark]: RCFGBuilder took 230.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:54,848 INFO L168 Benchmark]: TraceAbstraction took 197.82 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:54,848 INFO L168 Benchmark]: Witness Printer took 4.03 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. [2019-11-26 02:10:54,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 230.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 197.82 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, 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 0.1.24-6b5699a [2019-11-26 02:10:56,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:10:56,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:10:56,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:10:56,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:10:56,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:10:56,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:10:56,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:10:56,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:10:56,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:10:56,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:10:56,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:10:56,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:10:56,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:10:56,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:10:56,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:10:56,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:10:56,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:10:56,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:10:56,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:10:56,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:10:56,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:10:56,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:10:56,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:10:56,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:10:56,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:10:56,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:10:56,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:10:56,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:10:56,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:10:56,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:10:56,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:10:56,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:10:56,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:10:56,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:10:56,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:10:56,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:10:56,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:10:56,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:10:56,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:10:56,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:10:56,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:10:56,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:10:56,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:10:56,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:10:56,913 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:10:56,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:10:56,913 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:10:56,914 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:10:56,914 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:10:56,914 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:10:56,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:10:56,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:10:56,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:10:56,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:10:56,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:10:56,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:10:56,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:10:56,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:10:56,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:10:56,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:10:56,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:10:56,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:10:56,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:10:56,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:10:56,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:10:56,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:10:56,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:10:56,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:10:56,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:10:56,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:10:56,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:10:56,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:10:56,923 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:10:56,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:10:56,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:10:56,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:10:56,924 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_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2019-11-26 02:10:57,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:10:57,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:10:57,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:10:57,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:10:57,227 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:10:57,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-26 02:10:57,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/36a09dd97/f39991c032354f81b2ba682b122275ed/FLAG6a82ff094 [2019-11-26 02:10:57,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:10:57,686 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-26 02:10:57,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/36a09dd97/f39991c032354f81b2ba682b122275ed/FLAG6a82ff094 [2019-11-26 02:10:58,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/data/36a09dd97/f39991c032354f81b2ba682b122275ed [2019-11-26 02:10:58,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:10:58,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:10:58,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:58,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:10:58,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:10:58,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b1344e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58, skipping insertion in model container [2019-11-26 02:10:58,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:10:58,147 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:10:58,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:58,310 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:10:58,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:58,332 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:10:58,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58 WrapperNode [2019-11-26 02:10:58,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:58,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:58,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:10:58,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:10:58,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:58,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:10:58,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:10:58,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:10:58,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... [2019-11-26 02:10:58,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:10:58,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:10:58,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:10:58,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:10:58,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 [2019-11-26 02:10:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:10:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:10:58,605 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:10:58,606 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:10:58,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:58 BoogieIcfgContainer [2019-11-26 02:10:58,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:10:58,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:10:58,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:10:58,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:10:58,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:10:58" (1/3) ... [2019-11-26 02:10:58,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8e169c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:58, skipping insertion in model container [2019-11-26 02:10:58,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:58" (2/3) ... [2019-11-26 02:10:58,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8e169c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:58, skipping insertion in model container [2019-11-26 02:10:58,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:58" (3/3) ... [2019-11-26 02:10:58,613 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-26 02:10:58,619 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:10:58,624 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:10:58,631 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:10:58,649 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:10:58,649 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:10:58,649 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:10:58,649 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:10:58,649 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:10:58,649 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:10:58,650 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:10:58,650 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:10:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-26 02:10:58,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:10:58,667 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:58,668 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:10:58,669 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:58,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:58,674 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2019-11-26 02:10:58,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:10:58,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296154492] [2019-11-26 02:10:58,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/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 [2019-11-26 02:10:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:10:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:10:58,743 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-11-26 02:10:58,744 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:10:58,956 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:10:58,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:10:58 BoogieIcfgContainer [2019-11-26 02:10:58,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:10:58,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:10:58,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:10:58,969 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:10:58,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:58" (3/4) ... [2019-11-26 02:10:58,972 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:10:59,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_97a051f2-86b9-426b-9cb3-c5ead7d4c93f/bin/utaipan/witness.graphml [2019-11-26 02:10:59,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:10:59,004 INFO L168 Benchmark]: Toolchain (without parser) took 887.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:59,004 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-26 02:10:59,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.00 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:59,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:59,007 INFO L168 Benchmark]: Boogie Preprocessor took 16.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:59,008 INFO L168 Benchmark]: RCFGBuilder took 182.84 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:59,009 INFO L168 Benchmark]: TraceAbstraction took 361.13 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:59,009 INFO L168 Benchmark]: Witness Printer took 32.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:59,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 216.00 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 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 73.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 182.84 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 361.13 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 32.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, 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=8occurred 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, 4 NumberOfCodeBlocks, 4 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 proved your program to be incorrect! Received shutdown request...